ML070330613

NIST Environmental Available Data from NIST Weather Station Since 2002

ML070330613
Person / Time
Site:	National Bureau of Standards Reactor
Issue date:	07/31/2006
From:	US Dept of Commerce, National Oceanographic and Atmospheric Administration
To:	Office of Nuclear Reactor Regulation
References
Download: ML070330613 (48)

Text

JULY 2006 WASHINGTON DC, DC LOCAL CLIMATOLOGICAL DATA RONALD REAGAN WASII NATIONAL AIRPORT o51'N 77 2'W Elev(Ground) 10 Feet (KD)CA)l NOAA, National Climatic Data Center Lut:38 Long:

Time Zone: EASTERN WBAN: 13743 ISSN#: 0198-1188 Temperature =F Deg Days &NOWnt:'W , RECIPITATION Pk*tESURE SPEED- MHPU BASE 65. ON (.N1IK1N0 ON GN1J4LNi ILNCIIt-S OF 11G(;) I.... ,PD, TUNSOFDEGREES

... 00 1300 2400 2400 ~ MAX W, Um li,*Le~s S Wr ST LST w <5.

Uw. Z ~~~.~ wO  : ...- " - ..... . 2_5S~C h, 2NI 1 2 3 4 5 6 7 8 9 10 1.1' 12 13 14 15 16 .17 1s 19 .10 21 22 2324 01 86 66 76 -2 64 (19 a 13 14Z 0.0 0-00 10.08 30,'.6 R.5 19 8.7 22 241It 17 03 02 91 71 82 4 68 11 0 17 T3 T'2RA GR RA DR HZ 0 7 0.70 30,02 30.09 8.9 20 10.1 653 27 40# 26 02 >

03 91 72 a2 4 70 23 0 17 UR HZ 0 0.0 0.00 29.99 30.06 4,3 23 C.3 20 25 16 26 03 04 94 69 82 4 21 24 0 17 T5 TSRA RA BR HZ 0 0.0 0.35 29.91 29.97 7.5 20 9.1 47 27 36 28 04 [

05 84 71 79 0 11 12 0 1.3 A BR Hz U 0.0 0.87 29.88 29.94 4.6 22 6.6 23 31 21 31 05 06 80 66 73 'S 61 65 0 8 RA DR a 0.0 0.61 29.19f6 30.06 9.1 35 10.1 23 01 is 01 06 07 :0 62 71 -8 57 63 0 6 0 0.0 0.00 30.16 30.24 5.4 01 7.4 24. 36 16 01 07 08 82 64 73 -6 61 66 0 a 0 0.0 0.00 30.12 30.18 1.8 05 5.5 15 07 13 07 08 09 83 66 75 -4 63 68 0 10, 0.0 0.00 30.00 30.0G 10.1 19 10.3 22 22 17 IS 09 10 85 68 77 -2 69 71 0 12 DR 1IZ 0 0.0 0.00 29.96 30.04 9.0 19 9.3 18 Is 15 20 10 1II8a 74 81 2 22 75 a 145 HZ 0 0.0 0.00 30.0) 30.10 9.6 16 9.9 18 20 16 19 11 12 89 74 82 3 73 75 0 17 TS T 5RARA RRHZ 0 0.0 0.69 29.A9 30.06 8.0 20 8.5 36 28 31 28 12 13 84 74 79 0 73 75 0 14 kA bR IZt 0 0.0 T 29.91 29.97 6.6 23 7.4 20 25 5 2S 1.3 14 85 25 80 1 74 76 0 15 BA BR HZ 0 0.0 T 29.92 29.99 3.6 14 5.3 16 10 14 11 14 15 90 26 63 4 73 76 0 is Ts RA PR HZ 0 0.0, T 29.87 29.94 2.6 29 6.7 28 28 24 27 15 16 92 73 B3 4 67 72 0 18 0 0.0 0100 29.93 30.01 7,S 36 8.6 24 36 18 01 16 ___

17 96 74 85 6 70 75 0 20 BR 0 0.0 0.00 29.94 30.01 3.0 2S 6.0 17 01 13 36 17 (-)

I8 97- 77 87 8 21 76 0 22 RA OR 11Z 5Q 0 0.0 T1 29.91 30.0 1 .1 16 6.9 36 34 29 35 38 '8 19 92 73 83 3 68 73 0 i8 0 0.O 0.00 30.00 30.08 4.9 06 6.7 16 10 16 11 19 20 89 74 82 2 72 75 0 17 RA BR HZ 0 0.0 T 7 30.01 30.06 3.7 13 7.3 16 18 14 16 20 21 92 75 84 4 72 75 0 19 DR 02Z 0 0.0 0.00 29.86 29.91 G.C 22 8.2 21 20 18 22 21 22 89 72 a1 1 72 75 0 16 TSRA PA HR HlZ 0 0,0 0.34 29.70 29.76 10.0 21 11.2 32 27 24 27 22 23 84 71 78 -2 64 69 0 13 RA 0 0.0 T 29.80 29.89 4.5 33 7,1 21 01 13 32 23 24 86 67 77 .3 64 69 0 12 0 0.0 0,00 29.96 30.03 3.9 19 6.9 180 18 16 18 24 25 65 72 79 -1 70 72 0 14 0 0.0 0.00 29.97 30.04 8.8 1t 9.1 17 20 15 20 25 26 8$ 23 8t 1 71 74 0 16 DR 0 0.0 0.00 29.91 29.97 8.1 18 8.7 18 18 16 17 26 27 94 75 8a 5 73 76 0 20 BR H.Z 0 0.o 0.00 29.91 29.96 9.2 19 9.7 20 19 18 19 27 28 94 78 86 6 20 74 0 21 SR 0 0.0 0.00 29.91 29.99 8 .9 24 10.9 31 29 25 28 29 29 92 76 84 4 70 74 0 19 1S 0 0.0 0.00 29.90 29.95 2,2 23 6.2 20 17 17 17 29 30 94 71 86 6 70 75 0 21 HZ 0 0.0 o.CO 29.80 29.6 6.3 32 7.4 20 30 16 30 30 31 96 78 37* 7 71 76 0 22 H;: 0 0.0 0.00 29.81 29.91 4.7 31 7.6 18 35 51 32 31 08s8 12.0 80.4 68.9 72.6 0.0 16.7 < MONT1 IL V AAVE );,G I TOTALS> 7 3.56 29.94 30.01 3,3 21 8.1 *l0NfLYXALkACfL M

0. 1.9 1.2 < DEPARTURE FROM NORMAL -. > [0. 0 SUNSIINE. CLOUD, & VISIBILITY TAHBLL ON %PAG(F, 3 DEGREE DAYS GREATEST24-IIR PRECIPtTATION:

(' RFPAn',"T 24-.1R SNOWFAI.LL:

1.48 DATE: 05-c6

'r DATE: 02 SEA LEVELPI'ESSURHE DATE TIME MAXLIMUM: 30.27 07 1214 MONTHLY SFASONTO DATE GREATESTSNOWDEVrl1 . 0 DATE: %II3IIMUM : 29.69 22 1710 TOTAL YEPARTnRE TOTAL DEPARTURE - 14 IIN1MUMTF..32: o PRECfPZTATION O.olINCh: 6 CIFOLING: 0 3 10 NaMIIER OF .> I MAXLMUITFNMP J2 : 0 .%INIUM TE3P <=0 0 PRECIPXTATION >a 0.10 LNSC: &

COOL[NG : 487 31 890 -2 DAYS WITH TIIUNDEMSTOR.%IS 6 IEAVY 0O; O.SNOW0ALL >OINC)I I

HOURLY PRECIPITATION (WATER EQUIVALENT IN INCHES) IWASHINGTON DC, DC (KDCA)

JULY 2006 WBAN # 13743 FOR HOUR (LST) ENDING AT FOR HOUR (LST) ENDING AT ,-'r I 2 3 4 5 6 7 8 9 10 11 12 M 13 14 15 16 17 18 19 20 21 22 23 24 * -Q Equiv.

01 0 01 0.00 0.00 02 02 0.AS 0.62 T 02 0.7"0 0.10 03 03 03 0.00 0.00 04 04 0.35 T 7 04 0.35 0.35 0S T T T 05 0.35 0.10 0.04 0.11 0.03 7 7 7 0,01 0,23 05 0.87 0.87 O6 0.04 0.07 0.38 0.12 T

• 06 06 0,61 0.61 07 07 07 0.00 0.00 08 08 08 0.00 0.00 09 09 09 0.00 0.00 10 1D 10 0.00 0.00 II 1.1 i 0.00 0.00 12 12 0.01 0.S2 0.03 0.09 0.04 12 0.69 0.69 13 T T T T T 13 T 13 T 14 14 T 14 T T 15 T T 15 T T 15 T T 16 16 16 0.00 0.00 17 17 17 0.00 0.00 1 I..,1 T T 19 19 19 0.00 0.00 20 20 T 20 T T 21 21 21 0.00 0.00 22 22 0.14 0.02 0.05 0.13 7 22 0.34 0.34 23 T T 23 23 T 24 24 24 0.00 0.D0 25 25 25 0.00 0.00 26 26 26 0.00 0.00 27 27 27 0.00 0.00 28 28 28 0.00 0.00 29 29 29 0.00 0.00 30 3o 30 0.00 0.00 31 31 31 0.00 0.00

• Indicates sum of Hourly and Daily disagree.

MAXIMUM SHORT DURATION PRECIPITATION (See Note)

Time *(M,*,)

o 5 10 15 20 30 45 60"- 80 100..' 120 150 180 Note : "Tl hourly and daily peitxipilblicwi lotUaart printed In the last 2 columns and preipIA:io1(inches) 0.43 0.53 0.55 0.56 0.61 0.62 0.64 0.70 0.70 0.70 0.70 0.70 hi.lightd In ", whcn they dhisarre. NWS dcti not tdil ASOS hourly, %sl~ov bul may EndinSDale 12 02 02 02 02 02 02 02 02 02 0W 02 edit daily and monlhly tolal,. Hourly.

daily, and monthly lotaha are prinltd as reported by ihe ASOS sitr.

Ending Tl v 1(itAllnT 1506 1732 1736 1739 1748 1754 1745" 1754 1754 054 1754 1754 Date and time are not cntcrtd for TRACE amounts.

PAGE 2 NOAA, National Climatic Data Center

RE FERENCE NOTES & WASHINGTON DC, DC StUNSHINE CLUUDI)INIENS VISIBIlITY SUPPLEMENTAL SUMMARIES JULY 2006

• = Extreme for the month (last occurence if Ceilometer (30-second) data are used to derive 6* . " -; < "

more than one). cloudiness at or below 12,000 feet. This t t cloudiness is the mean cloud cover detected T = Trace precipitation amount. during sunrise to sunset (SR.SS), or midnight to

+ = also occurs on earlier date. midnight (MN-MN). GI 6.00 10.00 02 ',00 10.00 FG+ = Heavy fog, visibility .25 miles or less. Satellite data are used to derive cloudiness above 03 5.00 10.00 04 4.00 10.00 BLANK entries denote missing or 12,000 feet. Effective Cloud Amount is based on 05 1.25 10.00 unreported data. the cloud cover and the transparency of the clouds within the satellite field or view (approx. cc 2.50 10.00 Resultant Wind is the vector sum of the wind 31X31 miles). 07 10.00D 10.D0 speeds and directions divided by the number Sky Condition is based on the sum (not to exceed 08 10.00 10.00 09 10.00 lO.00 of observations. 8) of the sunrise to sunset cloud cover below and 10 5.00 9.00 above 12,000 feet. lioth ceilometer and satellite Wind direction is recorded in tens of degrees ditto must be present to compute Sky Condition. 11 3.00 7.00 (2 digits) clockwise from true north. '00' = Clear = 0-2 oktas, Partly Cloudy = 3.6 oktas, 12 4.00 8.00 calm, 'VR' = variable. Cloudy = 7.8 oktas.

13 5.00 10.00 14 3.00 10.00 Precipitation Is for the 24.hour period A Heating (Cooling) Degree Day is the difference 15 1.7S 10.00 ending at the time indicated in the column between the average daily temperature and 65 heading. 16 10.00 10.00 degrees F. The H1) season begins July 1, the 17 7.00 10.00 Water Equivalent of snow on the ground CDD season begins January 1. 1i 5.00 10.00 19 7.00 10.00 is reported only when the depth is 2 or 20 4.00 9.00 more inches. -Dew Point is the temperature to which the air must be cooled to achieve 100% relative 21 4.00 10.00 NORMALS ARE FOR THE YEARS 1971-2000 humidity. Wet Bulb is the temperature the air 22 2.00 10.00 would have ir cooled to saturation at constant 23 8.00 IG0AD WEATHER NOTATIONS pressure by evaporation of water into it. 24 10.00 10.00 25 8.00 10.00 QUALIFIER WEIATIIER POI LNO.%EINA D ESCMIPTOR PlECIPITATION OSCIUJRATION OTHER Snow Depth, Snowfall, and Sunshine data may 26 S.00 10.00 come front nearby. sites that the National 27 5.00 10.00 BC Nkh" DZ Driuk all Ii4 PIS D Weather Service deems -Climatologically 28B .00 10.00 MCrobed ONWA representative or this site,.* 29 10.00 10.00 81- W~faS GR slag oul tkw"'"p.

30 5.00 10,00 G small tll Do g *rc TorTmdO 31 5.00 10.09 rz rmzltn Stw Pdriu FG TrhgWal- ADDITIONAL NOTES: MONTHLY AVG'S 9.7 IC Ict Crzitai nU Smk 1)udoprd

• n~~~R $Zal,,atlaS~e SUNShINE (Mlinutes)

Total -Pnu:.

Sit Sh"gts, s 51 Swi N r,,.C l.. P1'° p Spn*

5l SQ Sqo~b Pervtnt Pa*ib"c

• TS Tzdctrstoam SN Sn,, SA S.ad N %.uddrm NUMBJER OF DAYS WITH:

SKY CON DMlON VC tome pAsh VA VAlmnfk titajr P~artly C~LT Cloudy Missing MINIM1UM VI5Ii1Ir.T' OSILES)

%,,,llemly" ' ] u. atoru '." I.k 0 6 10 PAGE 3

WASHINGTON DC, DC OBSERVATIONS AT 3-HOURLY INTERVALS :JULY 2006 KDCA WBAN # 13743 AT liETEINPERATURE M.ND.M3ýU SATELLITE WSWUl'RAWRrF  %%IS FESSL~kE P

It~

ip~ ~ ~ s PETIE -2 - 6 -____

_Z P 8 F -~  ;

I _____m ag la k~

. 2_o L~-~

5-1 ~QP.-=

e 7:-.

_~ -; ..-

SUNRISE: O447 JUL 01 SUNSET: 1937 SUNRISE: 04-10 JUL 07 SUNSET: 1936 0l OLR 4Cr Bi.4l 250 10.00 70 63 66 79 S 19 30.07 30.14 10.00 64 56 59 75 6 35 30.13 30.20 CLu NC 10.00 68 62 64 81 3 23 -30.08- 30.15 04 FEW 250 10.00 62 56 59 81 7 33 30.15 30.22 8.00 70 65 67 84 6 18 30.12 30.19 07 6G 57 62 68 8 35 30.19 30.26 FeWr 250 10.00 FEW, 085 78 65 70 64 10 17 30.12 30.18 10.00 75 56 64 52 10 02 30.20 30.27 FrW 040 10.00 84 61 69 46 10 16 13 5C'7" 250 79 57 65 49 13 03 30.19 30.25 30,10. 30..17 10.00 SCT 280 9.00D 84 64 71 51 12 21 30.06 30.13- 16 79 57 66 47 101 02 30.16 30.22 10.00 .75 61 RIO; 250 8.00 80 66 71 62 9 18 30.04 30.11 19 5C-1 250 10.00 66 62 8 I1 30.16 30.23 scr 25d 7.00 75 67 70 76 10 18 30.07 30.14 22 FEW 070 60 £4 68 3 24 30.16 30.25 SUNRIS E: 047 JUL 02 SUNSET: 1937 S UNkLi F: 04 i JUl. 03 SUNSET: 1936 10.00 FKW 25C" 8.00 74 64 68 71 12 20 30.05 30.12 CLR NC 60 62 64 81 0 00 30.18 30.24 F64,l 250a U 10.00 CLR NC 7.00 71 65 67 8a 8 19 30.05 30.]212 64 61 62 90 7 35 30.14 30.21 10.00 4CT 250 S.00 HZ 73. 67 69 82 12 19 30.06 30.13 0111C 200 10.00 68 61 6C 78 S 34 30.15 30.22 BKN 25C 6.00 11Z 8o 71 74 74 14 17 30.04 30.11 DEl'I 2o0 10.00 76 64 66 67 5 02 30.15 30.22 W.31 25O 91 68 75 47 17 22 30.00 30.06 10.00 80 60 68 51 7 VR 30.11 30.18 BXN 250 9.00 91 70 76 50 15 21 29.95 30.02 BEllO 250 80 58 66 47 9 08 30.06 30.13 10.00 0VC 25 C 9.00 - BR 74 70 71 87 7 18 29.99 30,06 813P. 250 76 I1 67 60 7 13 30.08 30.12 BX~4 25C0 10.00 75 68 70 79 3 22 30.01 ,30.08 E'XW.095 71 63 66 76 7 18 30.06 30.12 SUNRIE: am JUL 03 SUNSET: 1937 SUNR1 S F-- 04 t JUL 09 SUNSET: 193.

I0.00 SCT 250 7.00 72 70 71 93 7 17 30.00 30.07 FEW 100 70,00 67 63 65 87 8 19 30,04 30.11 10.00 SCT 250 5.00 PR 72 71 71 97 6 18 29.98 30.05 FEW 055 f6i 63 64 90 6 18 30.03 30.10 10.00 BKN 250 7.00 7B 69 72 74 3 05 30.04 30.10 SCT 250 69 65 66 87 7 17 30, 04 30.11 10.00 nXN 25C 6.00 HZ 02 71 75 69 6 15 30.03 30.10  !CT 250 78 64 69 62 9 17 30.03 30.09 38 10.00 BMN 250 8.00 68 74 52 14 27 29.99 30.06 BY.N 250 10.00 82 62 69 S1 16 10 ;9.99 30.06 MnW 250 9.00 90 69 76 50 10 23 29.96 30.02 1317 200 81 Go 68 49 16 20 29.9! 30.02 B*"t 250 10.00 8.00 ,6 70 75 59 9 25 29.95 30.02 78 64 69 62 12 17 29.95 30.01 SCT 2501 9.00 82 71 74 69 1 0 00 29.96 30.03 F-w 250o 75 64 68 69 16 19 29.97 30.03 SUNRISE: OM JUL 04 SUNSET: 1937 19.00 JUL 10 SUNSET: 1935 5CT 250 7.00 77 701 72 79 7 20 29.961 30.03 scr 250 7.00 72 65 68 79 9 20 29.96 30.02 7.00 77 69 712 76 3 19 29. 951 30.02 SCT 250 69 65 66 87 ( 21 29.96 30.02 5.00 bP 0vC 250 4.00 BR 77 73 74 88 7 I8 29.94 ý30,.0 FEW 250 71 67 &G 87 7 21 29.99 30.0t 5.00 NZ Mi0 200 5.00 112 85 74 77 70 12 17 29.92 29.99 SCT 250 78 69 72 74 7 17 29,99 30.06 ocT os0 6.00 H2 SC-T 25* 6.00 HZ 92 70 77 49 16 25 29.88 29.95 6.00 HZ 53 70 74 65 9 17 20.98 30.05 9,00 Ts 70 76 50 15 .20 29.82 29.89 BI21 250 84 70 .74 63 13 08 29.95 30.02 91 6.00 HZ OVC Dr01 285 250 9.00 74 70 71 87 8 20 29.84 29.91 1)LU 250 82 73 76 74 9 18 29.96 30,03 4.00 DR 74 70 71 87 5 10 29.88 29.95 SOT.' 250 7.00 80 69 73 69 14 30 30.01 30.07 OVC 250 SUNRISE: 04M9 JUL SUNSEM: 1937 SUNRIS E: 0(tJ JUl, 1i SUNSET: 1935 01 3m 2501 70 71 87 5 20 29.901 29.97 5,-'T. 200 7.00 77 68 71. 74 12 20 30.01 1 6.00 PR I74 30.08 04 avc 250 7.00 73 70 71 90 8 20 29.87 29,93 1IEN 250 6.00 HZ 75 69 71 82 9 19 30.01 30.08 71 72 90 8 20 29.88 29.95' Il01 250 4.00 HZ 76 30.11 07 01XN 150 5.00Q DR 74 70 0 7"2 52 10 18 30.04 10 8.00 81 72 75 74 7 25 29. 8 29,q5 ma--- 250 4,00 tLz 80 73 7*S 79 1 17 30.05 30.12 10.o00 83 250 I3 BEN 04.51 70 74 65 5 VR 29.87 29.94 OvC 5.00 HZ 86 72 76 63 12 17 30.05 30.11 16 BRI 110 8.00 -RA 74 71 712 90 0 00 29.85 29.91 M)., 250 5.00 IIz 06 74 78 68 2 98 30.03 30.10 74 "27 ",2 I a 19 19 11L1 1100 8.00 75 72 73 90 6 19 29.86 29.92 =14. 250 5.00 HZ 84 30.02 30.09 011 M3 73 -71 '72 '3'2 1 20 29.86 -29.93 OVc 250 9 f52 5 is1 30.05 30.12 22 c"iC S t*NR*F; 0"49 SUNSETr: 19.16 SUNgLSK: 045.1 JUL 12 SUNbINT: 19,4 Alli OVC 13101 015S lit 10.00 -PA 7.00 ,71 68 69 70 67 67 93 97 7

7 27 34 29.86 29.88 29.93 29.95 0'C WIC 250 130 I5.00 4.00 HZ HZ 80 78 72 72 75 74 77 82 8 20 6 20 30.02 30.01 30.09 30.08 OVC 037" 4.00 Bk 69 686 f81 97 7 35 29.93 30.00 OVC 250 4.00 HZ 78 73 75 85 9 19 30.03 30.10 OVC 024 10.00 Go 60 63l 76 17 01 29.99 30.06 O','C 290 83 7? 77 77 12 08 30.02 30.09 017 250 1310; 15C1 10.00 75 - 59 165 S8 13 01 30.02 30.0,9 4.00 HZ 76 79 68 13 17 29.95 30.05 M01 250 10.00 80 59 67 49 7 34 3D.02 30.09 OVC 2510 6.00 TO liZ 79 74 76 85 5 19 29.95 30.02 BY11 2S 10.00 75 58 65 5 12 35 30.06 10.12 B314 250 75 73 74 94 7 21 29.95 30.01 2510 6.00 l0R 10.00 70 55 61 59 8 33 30.10 30.17 OVC 2$50 7.00 74 72. 73 94 0 00 29.97 30.03 PAGE4

OBSERVATIONS AT 3-HOURLY INTERVALS WASHINGTON DC, DC SAITELUM IV kAf-l'

£ I) pkmS5j111 TIL 1M,

'*e"fA

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%TYTnJTr.

WEATH ER W'1T2 A NP 44 TEI1.U(AT1JKE 1*I

"'N Ssfl flLuJkc CiK jz C au JNUN Ii1M:3J5 JUL I1 5URISE: (0455 JUL 19 SUNSET: 1931 01 IM2SCf 6.00 1AR 72 73 94 1 21 29.92 29.99 04 W04 2SO SN10.100 77 67170 71 8 08 29.97 30.04 04 mi' I13C~ 5.00 R 74 72 73 94 I7 20 29.-89 29 .96 04 9.00 73 66169 79 B 35 29.95 30.05 07 0vtC 25C 5.00 -R 76 73 74 90 820 29.90 S29.?97 :07 SOC7 7.00 250 77 69 72 76 6 04 30.02 30.09 10 P012 ISO0 6.00 73 75 79 8 22 29.91 8.00 29.98 FE, 130° 10 FEW 250 10,00 84 67 73 57 6 VR 30.05 30.11 13 DYiI 130 81 74 76 79 12 26 29.92 29-.99: FIZ4 060 10.00 GV'C 250 10. 00 90 66 74 45 5 07 30.02 30.09 16 10.00 84 73 76 70 a 25 29.88 29.95 FL-. 050 82 9.00 89 69 75 52 705 29.98 30.04 19 EMUN 250 19 V-r 22 10.00 80 73 76 74 B 21 29.89 29.96 ISO° 9.00 85 70 75. 61 807 29.99 30.0a 72 *7S 177 ovc I0o1 0vC 110. SU JUL 14 SU*S*ET.

6 26 1933 29.92 29.99 22 9.001 81 70 74 69 609 30.06 30.12 SURIS E: 0459 JUL 20 SUNSET: 1930 01 78 74 04 Vic 10C*

b3125 065 9.oo0 78 74 75 75 88 88 1 18 0 00 29.92 29.91 29.99 01 04 8.00 77 71 73 82 7 07 30.06 30.12 29.98 6100, 75 72 73 90 6 07 07 av" ISOI 07 30.D3 30.09 OC 2SOl 7.00 fj 798 74 75 88 3 15 29.93 30.00 77 72 81 74 85 9 OG 30.06 30.12 10 DK3 250 74 76 79 0 00 21.94 soIHZ 30.01 10 9.00l 83 71 75 67 3 03 30.05 30.12 13 81J4 050 83 376 78 80 10 15 29.93 30.00 13 7.00 17 71 76 59 G 18 30.00 30.07 16 7.00 -RA 84 71 76 70 7 12 29.91 29.95 16 Bki 2SO0 8.00I 86 71 76 61 a 18 29.95 30.02 19 5.00 HZ 8l 74 76 79 1 15 29.91 OT250 19 6.00 HZ 84 72 76 67 1 19 29.94 30.01 22 4.00 DR 78 75 76 91 5 19 29.93 FW250 22 6.00 1I2 81 75 77 02 9 1a 29.94 30.01 N* NRIS "455 JUL 15 SUNSET: 1933 29.97 SUNRISE: 0460 JUl. 21 SUNSE': 1519 01 1.00 13R 77 75 76 94 6 14 29.90 01 SCT 046 8.00I 79 72 74 79 7 22 29.92 29.98 04 3.00 Bk 76 74 75 94 3 13 29.87 29.94 04 0N12so2 7.001 78 73 75 85 a 21 29,87 29.93 07 01C 005 2.DO DR 77 7S 76 94 3 21 29.89 29.96 07 5S1' 250 SAD0 3(Z 76 72 74 82 8 22 29.89 29.96 10 QVc 009] 2.50 BX 79 76 77 91 6 20 29.90 29.97 10 P12 200 5.OG1HZ 84 75 78 74 9 17 29.88 29.95 1t Bic. 150 B.00, 88 73 77 61 7 27 29.85 29.92 !SCT 070 5.001HZ il 90 71 77 54 7 32 29.85 29.92 16 9.00 83 71 75 63 13 32 29.64 29-90 16 ovc 130 8.00 86 71 76 61 12 22 29.81 29.e8 19 SC76 250 8.00 as 29.91 19 8.00 80 70 73 72 10 19 22 FX 0851 I80 70 713 72 65 33 29.98 29.95 22 ov Bv-IO[*so/

2501 29.80 29.87 JUL 16 77 69 72 "6 10 24 29.81 29.88 SIJ 10.00 SUNSETr: 1932 SUtNR1.wE: m0 JUL 22 SUNSET: 19.19 01 o.oos; I10.00 79 691 72 72 10 33 29.901 2,9.9 01 10.00 75 70 72 95 7119 29.77 29.03 04 FEW 2501 74 67 f69 79 8 35 29.93 29.99 O4 mtC 080 6.00 BR 76 74 90 7119 10.00 73 29,71 29.78 07 m'w 2501 77 68 71 74 8 36 29.95 30.02 0Otc 120 10.00 4.00 RR1 70 75 76 91 120 29.71 29,75 10 SCT 250 86 66 73 51 12 01 29.96 30.03: 10 B)a; 120 10.00 8.00 83 73 76 72 14 23 29.69 29.76 13 90 f6 74 45 13 01 29.97 13 13125 1120 16 FEW 0601 10.00 11.00 685 74 -)7 70 15 19 29.67 29,74 91 66 74 44 9 02 29.93 30.00 1.6 D? 25so0 10.00 71 76 57 20 22 10.00, 75 29.63 29.70 19 CL NC 6.00 l1Z 86 65 72 s0 7 01 29,93 3o.0o 07 o v t, 0o0 1 19 2.00 .RA 70 72 85 16 281 29.67 29.73 22 83 70 74 65 3 17 29.93 0*iC 017D 6.00 -TS P[A 10.00 73 71 72 93 12 21 29.76 29.83 st' JUL 17 SUSET: 1932 SUNRL'i:,- 0501 JUL 23 CLR fic: 10.00 30.00 SUNSET: 1928 01 77 70 72 79 5 21 29.95 OCT 2,50 01 72 70 71 93 6 22 29.74 29.81 04 716 69 71 79 6 25 29.95 30 .02 04 ov I °10 10.00 30.014

30. 04 10.001 72 69 70 90 8 26 29.78 29.85 07 FLM 250C 81 `70 74 69 0 O0 29.98 07 OGC 125l 10.00 30.04 22 110.00, 72 64 67 76 91 32 29.80 29.86 10 FEW 250 72 77 57 7 VR 29.97 10.00o -RA 10.00 10 0111C 085 75 66 69 74 7 02 29.84 29,91 13 94 70 77 46 3 YR 10.00j 29.95 30.02. 13 1-RI 2so0 81 65 7i 58 507 29.83 29.90 19 Fix 065 10,00 93 73 79 52 7 29 29.91 29.98 16 BY11 060 1o.00 81 Q2 69 S4 a 35 29.82 29.88 CLR NC 10.00 92 67 75 44 8 28 29.90 60 61 52 10 35 29,97 19 SCT1250 1 0.001 79 29.84 29.91 22 CLR KSC 9.00 84 74 77 72 1 6 22 29.91 29.98 22 CLR NC 75 59 65 5. 1 24 29.89 /29.96 N RISE: Mg5 JUL ia SUNSET: 1931 SUNIJSE: 05"2 JUL 24 01 SUNSKT: 1927 6.00 DR 80 76 '77 18 6 18 29.91 29.98 01 FrW 250 10.001 I71 63 66 761 S226 29.91 29.98 04 CLR tic 8.00 77 72 "24 85 7 20 29,91 29.99 04 10.00o 70 62 65 76 0 00 29.93 30.00 07 sc,. 25C 82 73 76 74 0 00 29.93 30.00 07 CI.R NC 10.001 73 65 68 76 6 36 29.98 30.05 1A SCT4 250 9.00 91 731 71 561 7 YR 29.91 30.00 Gil 69 47 a3J 7 7 10 FERW012 10.00 82 29.99 30.06 13 SCT 2SO 7.00 95 1 81 4C 6 15 29.91 29.98 13 5Cr 060 10.60o 84 62 70 45 a Is 29.98 30.05 16 SC=" 250 6.00 "lz 93 76 81 58 1D 12 29.89 29.96 16 SCTý. 250 10.00 84 64 71 51 0 16 29.95 30.02 19 h10* .250 6.00 Itz 90 3 7a8 57 8 2,3 29.91 29.08 19 017C 250 10.00 81 65 71 58 1l 19 29.96 30.03 22 130 12501 I10.00l 30.05.

78 66 70 67 7 04 29.

M9 22 sqt 250. 10.00o 78 C 2 71 1 14 17 29.99 30.06 I

1'AIiL ~

WASHINGTON DC, DC OBSERVATIONS AT 3-HOURLY INTERVALS IF ,0,C1I JULY 2006 IKDCA I I KDCA IV BAN # 13743 IF'HG

'F # 13,74,3 -[

____JE .4j7- - WFTE C-

- ...... . .:.19= .- i 0...J.L...S.. a z',,

SUNR1Si: 0$0.3 XU1. 5 Ki].h29irr119M6 SUNR ISF-,O JUL 31 SUNSET: 1921 Ela 250 10.001 74 65 68 74 12 20 30.00 30.06 01 250 6.00 H 82 71 74 6q j 36 29.81 29.88 c~lx 79 29.8a 50'7 250 9.00, 72 68 69 87 13 29 19.99 .30.08 04 B101 72 74 79 6 36 29.81 sc I;SO 8.00 74 70 71 87 8 19 30.03D 30.07 01 CLM 41.00ISK 72 75 72 3 35 29.84 M991 O'.C 250 9.00 78 72 74 82 8 17 30.01 30.03 10 9Elul 140 6.00 HZ 99 72 77 57 .36 29.87 29.93 M'c 1250 9.00 02 72 75 72 1 18 29.97. 30.00 13 140 10.oo0 95 66 75 39 8 36 29.84 29.91 RkII 250 9.00 83 69 74 63 10 18 29.93 26 NCT 9-°°l0 95 68 76 41 12 31 29.$1 29.86 250 6,GOINZ, 91 S2 13 26 29.9D aveC 2501 80 70 73 72 9 17 29.93 30.00 19 250 71 77 29.03

.0.00 B'Jl 110 10.001 17 71 73 82 9 18 29.94 30.01 FEWI 250 7.001 72 76 63 12 26 29.65 29.954 SUNRISE: 0504 JULI SMNSET: 19M5 30.01 01 Dr'l 2&0 74 72 73 94 6 20 21.9.4 3-HOURLY OBSERVATION NOTES 04 S(7 2S5l 6.00 DR 73 71 32 93 5 22 29.91 29.98 Sky Cover is the amount of the sky obscured. CLR or SKC = 0, FEW = i/8-2/8, 07 12501 5.00 DR 7G 73 74 90 5 17 29.92 29,99 SCT .V8-418. *JKN = 5/8-7/8, OVC = 88, %V = Vertical Vixibility =8/

10 YN I2S0 9.00 83 71 15 67 5 VR9 29.94 30.01 Cciling is reported in hundrcds of reit above ground level for clouds at or below 12,000 feet.

13 10.00 86 69 74 57 9 17 29.91 29.98 16 FEW 065 7.00 87 60 74 53 12 18 29.07 29.94 NC = No Ceiling detL'ctd.

19 ý-C 250 10.00 8a 69 74 63 12 19 29,87 29.93 & ý Original ohservation containted additional weallhr elemenis.

22 FE14 I 2501 ZOls 10.00 79 72 74 79 10 17 29.90 29.96 See page 3 for additional notes.

SUNRLSE: aw JUL 2'7 SUNSET: 1925 507k OVC 250 120 10.00 O.00 77 76 74 73 35 74 91 90 9 18 9 20 29.90 29.9a 29.96 29.97

SUMMARY

BY HOUR SKN 250 5.00 HZ 78 73 75 85 9 21 29.9 3 30.00 AVERAGFS RY51ILTAWT byal 250 6.00 liz 83 75 77 77 9 17 29.91 30.00 29.90 PXN 250 9.00 7,00 92 90 72 72 70 77 52 56 12 17 14 19 29.91 29.88 29.936 +,~  ; £ OVOl I2SO R. 250 10.00 86 71 76 61 9 18 29.89 29.96 0o11C 2501 7.00 84 76 78 77 13 20 29.92 29.99 SUN'RISEI 0506 JUL 23 StfNSFT: 19.14 7.00 81 76 77 SS 6 20 29.02 29.98 7.00 79 74 76 05 9 21 29.91 29.98 01 75 69 71 81 29.95 30.01 8.46 7 4 20 BMg 250 02 75 69 71 83 29.94 30.01 8.23 6 4 21 8.00 79 75 76 88 12 18 29.94 30.01 liL-q 250 10.00 73 77 63 10 20 29.92 29.99 03 74 69 71 85 29.94 30.01 7.65 6 4 21 87 04 73 69 '10 85 29.94 30.(0 7.71 6 5 2i Wa CVC ISO° 250 10,00 I91 68 75 47 14 26 29.90 29.97 05 73 69 70 86 29.95 30,01 7.24 6 4 21 h&(

b)LI; I 250 scl 10.00 85 64 72 45 17 28 29.90 29.97 06 74 69 71 84 29.96 30.03 6.60 6 5 21 10.00 66 72 53 9 28 29.90 29-97 10.00 83 65 71 55 7 26 29.93! 30.00 07 76 70 72 82 29.9& 30.03 6.61 7 4 19 S2UNIRE 0M07 JUL 29 SUNSET: 1923 a0 70 70 72 77 29.97 30.04 7.05 8 5 21 I1K1N250 10.00 09 80 70 73 72 29.97 30.04 7.56 . 8 4 20 01 79 65 70 62 5 23 29.94 30.01 04 10.00 78 66 70 67 0 00 29.92 29.99 10 62 70 74 68 29.97 30.03 7.69 9 5 19 Q1C11H20 11 84 70 74 64 29.97 30.03 7.74 9 5 is 0,7 10.00 79 67 71 67 3 36 29,94 30.01 10 FEW4 045 10.00 87 68 74 S3 15 30 29.92 29.99 .2 85 69 74 59 29.96 30,02 8-16 9 5 19 13 HMI 075 10.00 69 76 49 8 27 29.90 29.96 13 87 68 74 55 29.94 30.01 8.52 10 S 20 91 16 flX2I 0104 a7s/100 10.00 TS 84 73 76 70 14 17 29.84 29.91 14 87 68 74 55 29.93 30.00 8.27 11 4 20 19 10.00 85 75 78 72 " 17 29.82 29.89 i5 87 68 74 5S 29.92 29.99 8.61 11 S 22 22 SOT 25So 10.00 82 75 77 79 5 22 29.841 29.91 1G 86 68 74 57 29.91 29.98 8.71 10 5 21 SUN RISE: 0507 JUL 30 SUNS.T: 1922 17 84 68 73 60 29.91 29.98 8.04 9 4 20 01 c1. 12Co 9.O0 B1 71" 74 72 7 32 29.82 29.88 18 83 68 73 62 29.1 29,9g 8.68 30 4 21 04 FEW 25C 7.00 70 69! 72 74 9 32 29.81 29.868 19 e2 69 73 66 29.92 29.9o a.26 9 4 21 07 6.00 XIz 80 70 73 72 7 31 29.41 29.09 20 80 69 73 70 29.92 29.99 8.52 B 4 19 PXQ1 250]

10 6.00 liz 87 71 76 59 6 VR 29.81 21 79 69 73 72 29.94 30.01 8.48 a 4 19 13M7 2501 L3 10.00 9' 68 76 43 8 31 29.79 2 78 69 72 75 29.95 30.01 8.45 8 4 21 OL'4 25C 16 1F% 1s" 251 250]

10.00 93 68 76 44 13 30 29.76 23 77 69 72 77 29.95 30.02 6.52 7 5 20 19 10.00 90 68 7S 48 7 3329.75 29.8, 24 76 69 72 80 29.95 30.01 8..34 16 S 21 8M2 25C 22 o1.0o0 a5 71 75 &J-63 a33 2-9.791 PAGCE 6

WASHINGTON DC, DC JULY Temperatures 105 .................. ........................................ ....... ---------- ............................... ...... .......... ------------ ------- ........... 40 100 - - -- -- -- -- - -- - - - - . . . . . . . . . .. . . . . . . . . . . .. .. . . . . . . .. . . . ..,... . . . . . ....... -------------------

95 ...... ------- .................... .... ...35 g0 IF 85, . ....... . . . . . . . . . . .. . . . . . . . ..

30 80 . . . . . . . . . . . . . . . . ..

17D

'25 75 ----- -------- ...................... ..................... ............................... .... --------- ---------

70 . ... .... ....... ... ... .... ........... -20 C5 ....................... ... .... - -------- ------- ........... ------ ......... ... ..... .....

55, ................................... . .......................... ------- ......................... ..... ......................... .......................

50 ............ ----------- ........................................ - ...................................... . ....... - ............ ------- ........................ ~10

- xrmeMx-MenM* ~Ma - Men M - xrm m Ln-em(l5-O6 e:7.

1900 1970 1980 .1990 2000

-- Extreme Max -.- Mean Max MMean -- Mean Min -- Extreme Min 1,1i'1on-Term 1971-2000 Normahl (195"7-2006) 79.2 Meann 79.4 WASHINGTON DC, DC JULY Precipitation 11' 275

10. ................................... ......... ...... ..................................... ........................ ..... .......................................

S250

9. ............................... ----------- --------- ................................... -------------

-225 200 7.

a .......... ............ ............. .............. ........ ......................... ----------- .............. ....... ... ....... 175

... . ............. ...................... --------- -:7 .............. 150 5.. Un

5. ..................... ......... ................ ----------- . ...........

nit

....... ........ ...... 125 4, ........... 1. --- ......... ............. ... ... A 1100 UT2 IýR 3, ....... ......

Lim tin ..........

• 75 2- -50 1" 25 D. 0 1 gas 1070 1975 1880o1085 1og 1995 2000 2005 Long-Term (1957-2006) Mean Monthly Total* 3.87 1971-2000 Normal: 3.66 Publiihtd By: National Climatic Data Center

piri 'iilnf'iulllrI'lilusl't'niI;I:'l'eu[i'fujl~Ill1ia JULY 2006 WASHINGTON DC, DC LOCAL CLIMATOLOGICAL DATA NOAA, National Climatic Data Center I certify /hatthis is an official publication ofthe National Oceanic and Atmospheric Administration (NOAA). It is compiled using ilnfonnatioiz front weather observing sites operated by NOAA National Weather Service / DepartmentOf Transportation-Federal (A)

Aviation Administration and received at the National Climatic Data 0 Center (NCDC),Asheville, North Carolina28801. 00 NC~

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('. 1

.. u tJC.a.-.-,w Mi-14wm "-vmvmý

AUGUST 2005 WASHINGTON DC, DC

° LOCAL CLIMATOLOGICAL DATA RONALD REAGAN WASH NTLAPT (DCA)

N AA, National C a Lat: 38*51, N Long: 77o02, W Elev (Ground): 10 Feet S

Climatic Data Center Time Zone: EASTERN WBAN: 13743 ISSN #:0198-1188 TEMPERATURE r DEG DAYS SNOW/ICE PRECIPITATION PRESSURE WIND SPEED = MPH BASE 65° ON GND(IN) (INCHES) (INCHES OF HG) DIR = TENS OF DEGREES

• - * *_MAXIMUM

.uLuj , (. ( 0700 1300 2400 2400 z "' 5- MAX IMU TZ 5-SECz 2-MIN ULc U M WEATHER , > M I-I 0 - .... [.-

1 2 3 4 5 6 7 8 9 10 .11 , 12 13 14 15 16 17 18 19 20 21 22 23 24 01 87 71 79 0 67 71 0 14 BR HZ. " 0 0.0 0.00 30.05 30.12 2.0 16 5.1 13 23 10 22 01 02 94 72 83 4 68 73 0 18 HZ 0 0.0 0.00 29.96 30.02 3.4 31 6.3 16 34 13 31 02 03 93 75 84 5 68 73 0 19 HZ 0 0.0 0.00 29.93 30.00 4.4 36 6.2 18 34 15 02 03 04 97 77 87 8 69 75 0 22 HZ 0 :0.0 0.00 29.98 30.05 4.0 21 6.9 17 21 15 21 04 05 97* 76 87 8 68 74 0 22 TS TSRA HZ .0. -0.0 0.01 30.01 30.08 2.0 26 8.1 23 36 20 36 05 06 90 76 83 5 66 72 0 18 HZ . 0

• 0.0 0.00 30.05 30.12 2.7 02 6.6 16 13 14 12 06 O0>

07 08 89 87 75 72 82 80 4

2 68 68 73 72 0

0 17 15 HZ TS TSRA RA BR HZ 0

0.

0.0 0.0 0.00 1.17 30.06 30.08 30.13 30.15 5.3 1.0 18 29 6.8 7.3 16 32 14 24 14 30*

15 24 07 08 XC 09 76 72 74 -4 69 71 0 9 RA BR .' 0. 0.0 0.16 30.04 30.11 5.8 08 6.5 15 14 14 09 09 10 86 73 80 2 69 72 0 15 RA 0 0.0 T 29.93 30.00 0.1 12 4.8 14 14 9 16 10 0(J 11 93 73 83 5 70 74 0 18 BR HZ 0. 0.0 0.00 29.91 29.98 3.1 21 5.1 16 25 14 26 11 12 95 78 87 9 74 77 0 22 BR HZ 0 0.0 0.00 29.91 29.98 8.0 19 8.5 17 19 15 19 12 13 95 78 87* 9 73 77 0 22 HZ 0 0.0 0.00 29.86 29.93 8.5 19 8.9 18 18 16 18 13 14 94 78 86 8 73 77 0 21 HZ 0 0.0 0.00 29.86 29.92 8.1 20 8.2 18 20 16 21 14 15 90 78 84 6 67 72 0 19 HZ 0 0.0 0.00 29.98 30.04 8.3 36 9.8 23 32 18 36 15 Zo 0

16 82 71 77 0 70 72 0 12 TSRA RA BR HZ I0 0.0 0.13 29.98 30.05 4.9 08 7.8 20 05 16 06 16 ou1 17 88 68 78 1 62 68 0 13 HZ 0 0.0 0.00 29.95 30.02 3.1 35 6.7 20 05 15 36 17 0 18 19 20 89 78 90 69 71 74 79 75 82

-2 2

5 64 67 72 69 69 75 0

0 0 14 10 17 HZ RA DZ BR BRHZ

. 0 0

0.

0.0 0.0 0.0 0.00 0.37 29.97 29.97 30.04 30.04 0.00 29.92 29.99 6.5 2.8 19 12 4.3 20 6.2 18 7.5 5.3 18 18 19 10 20 15 16 15 19 11 18 19 20 20 0C) 21 94 75 85 8 67 73 0 20 BR HZ ,.0. 0.0 0*.00 29.82 29.89 4.8 33 8.3 21 33 16 33 21 22 88 70 79 2 57 66 0 14 0 0.0 0.00 29.83 29.90 5.0 32 7.1 22 30 18 31 22 23 84 68 76 -1 57 64 0 11 -00 0.0 0.00 29.93 30.00 5.2 06 7.0 18 01 15 01 23 24 85 68 77 0 55 63 0 12 . 0 f 0.0 0.00 30.05 30.12 7.2 03 7.7 18 36 16 02 24 25 84 62* 73 -4 54 62 0 8 0 0.0 0.00 30.15 30.22 0.8 16 5.2 17 14 15 14 25 26 80 65 73 -3 54 64 0 8 0 0.0 0.00 30.04 30.11 6.0 19 6.6 15 20 13 20 26 27 73 67 70* -6 63 66 0 5 RA 0 0.0 0.22 29.93 30.00 3.7 19 5.0 14 14 13 14 27 28 87 72 80 4 70 72 0 15 RA DZ BR HZ 0 0.0 0.27 29.88 29.95 5.6 19 6.9 17 21 15 20 28 29 87 71 79 3 69 72 0 14 BR 0 0.0 0.00 29.90 29.96 5.3 17 5.8 15 16 14 17 29 30 86 74 80 4 73 75 0 15 PA 0 0.0 T 29.77 29.83 8.2 16 8.8 22 18 18 18 30 31 87 72 80 5 68 72 0 15 RA 0 0.0 T 29.57 29.64 11.1 23 15.1 35* 29 28 30 31 87.9 72.3 80.1 ** 66.6 71.1 0.0 15.3 < MONTHLYAVERAGES ITOTALS-> 0.0 2.33 29.94 30.01 1:5 19 7.2 <-MONTHLYAVERAGES 1.6 3.7 2.71 I <

---

DEPARTUREFROMNORMAL------------ - -... > -- 1.11 SUNSHINE, CLOUD, & VISIBILITY TABLES ON PAGE 3 GREATEST 24-HR PRECIPITATION: 1.27 DATE :08-09 SEA LEVEL PRESSURE DATE TIME DEGREE DAYS GREATEST 24-HR SNOWFALL: 0.0 DATE MAXIMUM 30.28 25 0851 MONTHLY SEASON TO DATE GREATEST SNOW DEPTH: 0 DATE MINIMUM 29.56 31 1351 TOTAL DEPARTURE TOTAL DEPARTURE NUMBEROF MAXIMUM TEMP ' 90: 12 MINIMUM TEMP -<32: 0 PRECIPITATION _ 0.01 INCH  : 7 HEATING: 0 -7 0 -7 N> MAXIMUM TEMP "-<32  : 0 MINIMUM TEMP - 0 : 0 PRECIPITATION _0.10 INCH  : 6 COOLING: 474 67 1343 44 DAYS WITH THUNDERSTORMS  : 3 HEAVY FOG  : 0 SNOWFALL _ 1.0 INCH  : 0

HOURLY PRECIPITATION WASHINGTON DC, DC (WATER EQUIVALENT IN INCHES) AUGUST 2005 DCA WBAN # 13743 2400 w FOR HOUR (LST) ENDING AT FOR HOUR (LST) ENDING AT w Z LST 0 0T ý5G

-ý 1 2 3 4 5 6 7 8 9 10 11 12 C 13 14 15 16 17 18 19 20 21 22 23 24  ?:O 001 01 0.00 02 02 02 0.00 03 03 03 0.00 04 04 04 0.00 05 05 0.01 T 05 0.01 06 06 06 0.00 07 07 07 0.00 08 08 0.43 0.01 0.24 0.46 0.02 0.01 T 08 1.17 09 T T T T 0.06 0.01 0.02 T 0.01 09 0.02 -0.03 T T 0.01 09 0.16 10 T 10 10 T 11 11 11 0.00 12 12 12 0.00 13 13 13 0.00 14 14 14 0.00 15 15. .. . 15 0.00 16 T T 0.03 16 .. T T '0.01 0.02 0.04 0.03 T T T 16 0.13 17 17 17 0.00 18 18 18 0.00 19 T 0.02 0.07 T T T 0.09 0.18 T 19 . :T 0.01 T T T T 19 0.37 20 20 20 0.00 221 1 - 21 0.00 22 22 22 0.00 23 23 - 23 0.00 24 24 24 0.00 25 25 25 0.00 26 26 26 0.00 27 T T 0.01 T 0.05 0.04 0.03 0.01 T 27 T T 0.01 0.04 0.03 T T 27 0.22 28 0.10 0.17 28 28 0.27 29 29 29 0.00 30 T 30 30 T 31 31 T 31 T MAXIMUM SHORT DURATION PRECIPITATION- (SeeiNote) ... ,

Note : The sum of the hourly totals is given when Time Period (Minutes) 5 10 15 20 30 45 60 80 100 120 150 180 it differs from the daily total. NWS does not edit Precipitation (Inches) .31 .55 .63 .64 .65 .66 .67 .69 .69 .71 .72 .73 ASOS hourly values but may edit daily and monthly totals. Hourly, daily, and monthly totals are printed Ending Date 08 08 08 08 08 08 08 08 08 08 08 08 as reported by the ASOS site.

Ending Time (Hour/Min) 1854 1858 1902 1906 1906 1923 1946 1952 1952 1952 1952 2042 Date and time are not entered for TRACE amounts.

PAGE 2 NOAA, National Climatic Data Center

REFERENCE NOTES & WASHINGTON DC, DC SUNSHINE CLOUDINESS VISIBILITY (OKTAS) (MILES)

SUPPLEMENTAL SUMMARIES AUGUST 2005 SR-SS MN-MN UJ

• = Extreme for the month (last occurence if Ceilometer (30-second) data are used to derive !CZ Cc 0Lo more than one) cloudiness at-dr.below!. 2,000.feet. This cloudiness T = Trace precipitation amount is the mean cloud cover detected during sunrise to Lu Cr

+ = also occurs on earlier date sunset (SR-SS), or midnight to midnight X~ Ua) CsC s~~co FG+ = Heavy fog, visibility .25 miles or less BLANK entries denote missing or unreported (MN-MN). 01 02 2.50 4 .00 10.00 10.O0 Satellite data are used to derive cloudiness above 03 6.00 10.00 data 12,000 feet. Effective Cloud Amount is based on the 04 4 .0D 9.00 05 5.O0 9.00 Resultant wind is the vector sum of the wind cloud cover and the transparency of the clouds

.speeds and directions divided by the number of within the satellite field of view (approx. 31x31 06 5.00 10.00 observations. miles). 07 5.00 10.00 08 1.00 10.00 09 3.00 10.00 Wind direction is recorded in tens of degrees (2 Sky Condition is based on the sum (not to exceed 10 8.00 10.00 digits) clockwise from true north. '00' = calm, 8) of the sunrise to sunset cloud cover below and

'VR' = variable. above 12,000 feet. Both ceilometer and satellite 11 4.00 9.00 data must be present to compute Sky Condition. 12 2.50 6.00 13 2.50 6.00 Precipitation is for the 24-hour period ending at Clear = 0=-2oktas, Partly Cloudy = 3-6 oktas, 14 3.00 7.00 the time indicated in the column heading. Cloudy = 7-8 oktas. 15 6.00 10.00 Water Equivalent of snow on the ground is A Heating (Cooling) Degree Day is the difference 16 3.00 10.00 17 6.00 10.00 reported only when the depth is 2 or more between the average daily temperature and 65 18 5.00 10.00 inches. degrees F The HDD season begins July 1, the CDD 19 1.50 10.00 season begins January 1. 20 5.00 9.00 NORMALS ARE FOR THE YEARS 1971-2000 21 3.00 10.00 Dew Point is the temperature to which the air must 22 10.00 10.00 WEATHER NOTATIONS be cooled to achieve 100% relative humidity. 23 10.00 10.00 Wet Bulb is the temperature the air would have if 24 10.00. 10.00 QUALIFIER WEATHER PHENOMENA cooled to saturation at constant pressure by 25 10.00 10.00 DESCRIPTOR PRECIPITATION OBSCURATION OTHER evaporation of water into it. 26 10.00 10.00 BC Patches DZ Drizzle BR Mist DS Duststorm 27 4.00 10.00 Snow Depth, Snowfall, and Sunshine data may 28 4.00 10.00 BL Blowing GR Hail DU Widespread FC Funnel Cloud Dust come from nearby sites that the National Weather 29 6.00 10.00 30 9.00 10.00 DR Low Drifting GS Small Hail and/or +FC Tornado Service deems.Cl imatoldgically representative of 31 ____10.00 10.00 __

Snow Pellets FG Fog Waterspout FZ Freezing this site. MONTHLYAVGS 5.42 9.52 IC Ice Crystals FU Smoke PO Well-MI Shallow Developed PL Ice Pellets HZ Haze Dust/Sand ADDITIONAL NOTES: SUNSHINE (MINUTES)

PR Partial Whirls RA Rain PY Spray Total: Possible:

SH Shower(s)

SG Snow Grains SA Sand SQ Squalls Percent Possible:

TS Thunderstorm SS Sandstorm NUMBER OF DAYS WITH:

SN Snow VA Volcanic Ash SKY CONDITION VC In the GL Glaze CLR PTLYCLDY CLOUDY MISSING Vicinity UP Unknown 31 Precipitation MINIMUM VISIBILITY (MILES)

<=0.25 <=3.0 >=7.0 0 9 8 Intensity (as indicated on pages 4 to 6):

= Heavy I ' = Moderate '-' = Light PAGE 3

WASHINGTON DC, DC OBSERVATIONS AT 3-HOURLY INTERVALS AUGUST 2005 DCA WBAN # 13743 SATELLITE TEMPERATURE WIND PRESSURE. SATELLITE TEMPERATURE W INID PRESSURE 0

R F(INCHES,HG) T p (INCHEG S H <

C/) _)

WEATHER Z WC 00u

~~ l)C 0

WEATHER ý: CLz 0

> (). zOu > -Ca o >J 0 nu >-

0 2 j.2 D a0

0. m L C) :30 JW o m m. CLC uW Qcc oo I- wB 0- U)

Li L- W Hn 0D 0

WT) U).j SUNRISE: 0509 AUG 01 SUNSET: 1920 1' - .". : SUNRISE: 0515 AUG 07 SUNSET: 1913 BKN 250 10.00 73 69 70 87 0 00 30.07 30.14 OVC 150 10.00 77 63 68 62 5 27 30.04 30.11 OVC 026 5. 00 BR 72 69 70 91 5 08 30.07 30.13 OVC 150 8.00 77 65 69 66 0 00 30.05 30.12 OVC 005 2.50 BR 73 70 71 90 3 05 30.11 30.17 OVC 250 6.00 HZ 77 67 70 71 3 23 30.08 30.15 SCT NC 9.00 80 67 71 64 5 VR 30.10 30.17 BKN 075 8.00 82 67 72 60 9 19 30.09 30.16 SCT NC 10.00 85 63 71 48 3 09 30.06 30.13 OVC 085 8.00 86 66 73 51 9 19 30.08 30.14 BKN 250 9.00 86 64 72 48 6 19 30.01 30.08 BKN 200 7.00 87 70 75 57 13 14 30.03 30.10 BKN 250 7.00 83 66 72 57 8 23 30.00 30.06 OVC 200 7.00 83 70 74 65 9 17 30.04 30.11 FEW NC 8.00, 78 68 71 71 7117 30.01 30.08 BKN 150 8.00, 79 71 74 77 5 16 30.05 30.12 SUNRISE: 0510 AUG 02 SUNSET: 1919 SUNRISE: 0516 AUG 08 SUNSET: 1912 FEW NC 7.00 75 68 70 79 7 24 29.99 30.06 BKN 250 7.00 78 71 73 79 6 21 30.06 30.12 CLR NC 6 .00 HZ 73 67 69 81 7 22 29.97 30.04 OVC 130 8.00 78 70 73 76 8 20 30.08 30.14 FEW NC 4 .00 HZ 76 67 70 74 5 24 30.01 30.07 OVC 250 9.00 78 68 71 71 7 20 30.08 30.14 SCT NC 7.00 86 69 74 57 9 36 30.00 30.07 OVC 250 10.00 85 69 74 59 3 VR 30.10 30.17 SCT NC 9.00 91 68 75 47 7 36 29.96 30.03 OVC 045 10 .00 79 64 69 60 7 35 30.09 30.16 SCT NC 9.00 93 69 76 46 6 VR 29,.91 29.98 BKN 130 9.00 84 68 73 59 8 35 30.05 30.12 SCT NC 9.00 89 67 74 48 6 29 29.90 29.97 OVC 047 1. 00 +TSRA BR 73 70 71 90 9 13 30.10 30.16 FEW NC 8.00 81 70 74 69 6.21 29.92 29.99 BKN 100 8.00, 72 68 69 87 10 03 30.10 30.17 SUNRISE: 0511 AUG 03 SUNSET: 1918 SUNRISE: 0516 AUG 09 SUNSET: 1911 CLR NC S.00 81 70 74 69 0 00 29.92 29.99 OVC 100 8.00 73 68 70 84 6 02 30.07 30.14 FEW NC 7.00 76 68 71 77 6 36 29.91 29.98 OVC 120 6 .00 -RA BR 73 69 70 87 6 07 30.05 30.12 CLR NC 9 .00 79 66 71 65 8 34 29.95 30.'02 ovc 0o50 5 .00 BR 74 70 71 88 0 00 30.07 30.14 CLR NC 10.00 88 67 74 50 8 35 29.97 30.03 ovc 060 6.00 -RA BR 75 70 72 84 9 08 30.06 30.13 SCT NC 9.00 91 68 75 47 9 35 29.93 30.00 ovc 022 7.00 -RA 73 69 70 87 6 VR 30.06 30.12 BKN 250 10.00 92 66 74 43 9 01 29.90 29.97 ovc 017 10 .00 75 70 72 84 14 09 30.02 30.09 BKN 250 10.00 87 68 74 53 7 03 29.91 29.98 .BKN 016 10.00 74 69 71 85 6 07 30.00 30.07 FEW NC I 6.00 HZ 82 71 75 69 6,16 29.94 30.01 BKN 019. 10.00, 73 68 70 84 8 05 29.99 30.06 SUNRISE: 0512 AUG 04 SUNSET: 1917 SUNRISE: 0517 AUG 10 SUNSET: 1910 CLR NC 5. 00 HZ 80 72 75 76 3 18 29.96 30:03 ovc 015 10.00 74 68 70 82 5 08 29.98 30.05 CLR NC 5. 00 HZ 77 70 72 79 3 23 29.96 30..03 ovc 011 10.00 73 69 70 87 8 34 29.97 30.03 SCT CLR NC 5. 00 HZ 80 71 74 74 6 20 30.00 30.07 BKN NC 10.00 75 68 70 79 5 03 29.97 30.03 CLR NC 7.00 88 71 76 57 7 17 30.02 30.09 ovc 035 10.00 80 68 72 67 7 04 29.96 30.03 SCT NC 8.00 94 64 74 37 7 VR 30.00 30.07 BKN 045 10.00 82 67 72 60 6 VR 29.94 30.01 SCT NC 8.00 95 64 74 36 3 VR 29.96 30.03 BKN 250 10.00 86 68 74 55 6 VR 29.88 29.95 SCT NC 5.00HZ 89 73 78 59 8 20 29.95 30.02 CLR 250 10 .00 82 69 73 65 5 19 29.88 29.95 CLR NC 9.00 84 70 74 63 10120 30.00 30.06 NC 9.001 78 70 73 76 6 24 29.92 29.99 SUNRISE: 0513 AUG 05 SUNSET: 1916 SUNRISE: 0518 AUG 11 SUNSET: 1909 CLR CLR NC 7.00 80 71 74 74 9 20 30.00 30.07 CLR NC 8.00 76 71 73 85 6 24 29.89 29.96 CLR NC 7.00 77 71 73 82 6 21 30.01 30.08 FEW NC 7.00 75 70 72 84 3 21 29.88 29.95 CLR NC 5. 00 HZ 78 71 73 79 8 21 30.02 30.09 CLR NC 6.00 HZ 76 70 72 82 5 25 29.93 29.99 CLR NC 0.00 89 69 75 52 10 24 30.03.30Ui0 SCT NC' 7 .00 87 67 74 51 0 00 29.94 30.01 FEW NC 9.00 95 65 75 37 5 VR 30.00 30.06 sCT NC 6.00 HZ 91 67 75 45 3 VR 29.91 29.98 SCT NC 6.00HZ 96 63 74 34 10 30 29.95 30.02 ovc NC 8. 00 91 66 74 44 6 23 29.88 29.95 BKN 150 8.00 86 67 73 53 15 02 29:98 306:05 BKN 250 8.00 88 68 74 52 7 24 29.90 29.97 OVC 250 8.00 TS 83 67 72 59 3,10 30.04 30.11 250 5. 00,HZ 82 73 76 74 5 21 29.93 30.00 SUNRISE: 0514 AUG 06 SUNSET: 1915 SCT SUNRISE: 0519 AUG 12 SUNSET: 1907 OVC 200 6.00HZ 80 70 73 71 5 34 30.03 30.10 SCT NC 5.00 HZ 80 74 76 82 7 21 29.93 29.99 BKN 250 6.00HZ 77 71 73 82 6 35 30.03 30.09 CLR NC 5.00 HZ 78 72 74 82 7 20 29.92 29.99 BKN 250 10.00 79 65 70 62 12 02 30.07 30.14 NC 2.50 HZ 79 73 75 82 3 22 29.95 30.02 BKN 250 9.00 83 66 72 57 7 02 30.08 30.15 CLR NC 3.00 HZ 85 75 78 72 7 18 29.95 30.01 FEW BKN 250 10.00 88 64 72 45 3 VR 30:'05 30,12 SCT NC 5.00 HZ 93 74 79 54 9 19 29.91 29.98 BKN 065 10.00 88 64 72 45 5 VR 30.02 30.09 SCT NC 6.00 HZ 93 72 78 50 12 18 29.87 29.94 OVC 150 10.00 82 65 71 56 7 16 30.04 30.11 CLR NC 5.00 HZ 88 73 77 61 9 19 29.86 29.93 OVC 150 1 10.001 81 65 71 58 7 29 30. 06 30.13 NC I5.001HZ 85 75 78 72 12 19 29.90 29.96 PUBLISHED BY: NCDC, ASHEVILLE, NC. PAGE 4

WASHINGTON DC, DC OBSERVATIONS AT 3-HOURLY INTERVALS AUGUST 2005 DCA WBAN # 13743 SATELLITE TEMPERATURE WIND PRESSURE SATELLITE TEMPERATURE WIND PRESSURE z F " (INCHES,HG)- R z'F (INCHES,HG)

Wo_ Z' WEATHER u < °0'o' 0 Z o

< - WAHR o m

• , no- '- . D * < - WEATHER a 0- o -

m Lo *- 0 zO 0- h - I o .- " F- o Qoz SUNRISE: 0520 AUG 13 SUNSET: 1906 SUNRISE: 0525 AUG 19 SUNSET: 1857 CLR NC 5. 00 HZ 82 75 77 79 8 20 29.89 29.96 ovc 075 10.00 77 66 70 69 9 21 29.97 30.04 CLR NC 5.00 HZ 79 73 75 82 8 20 29.86 29.93 ovc 065 8.00 72 67 69 84 8 12 29.97 30.03 CLR NC 2.50 HZ 80 73 75 79 5 VR 29.89 29:96 ovc 060 8.00 73 67 69 81 3 20 29.98 30.05 CLR NC 3.00 HZ 86 74 78 67 6 17 29.90 29.97 ovc 027 4.00 -RA 72 66 68 82 0 00 30.01 30.07 SCT NC 4 .00 HZ 93 75 80 56 8 17 29.85 29.92 ovc 022 10.00 73 67 69 81 10 13 29.98 30.05 SCT NC 6.0.0 HZ 94 70 77 46 14 18 29.80 29.87 ovc 008 3.00 -DZ BR 72 68 69 87 9 09 29.96 30.02 SCT NC 5.00 HZ 89 72 77 57 9 18 29.82 29.88 ovc 010 8.00 72 67 69 84 5 05 29.96 30.03 FEW NC 5.00 HZ 85 76 79 75 12 19 29.85 29.92 ovc 010 7.00 731 688 70 84 3 03 29.97 30.03 SUNRISE: 0521 AUG 14 SUNSET: 1905 SUNRISE: 0526 AUG 20 SUNSET 1856 FEW NC 5.00 HZ 82 74 76 77 10 20 29.84 29.91 ovc 012 6.00 BR 74 70 71 88 6 12 29.95 30.02 CLR NC 4.00 HZ 79 73 75 82 8 20 29.84 29.91 ovc 009 6.00 HZ 75 70 72 84 0 00 29.94 30.00 FEW NC 4 .00 HZ 79 73 75 82 6 21 29.88 29.95 ovc 021 5.00 BR 75 71 72 88 5 24 29.96 30.03 SCT NC 3.00 HZ 86 75 78 70 8 19 29.88 29.95 ovc 017 6.00 HZ 81 71 74 72 6 28 29.98 30.05 SCT NC 5.00 HZ 92 71 77 51 9 19 29.85 29.92 BKN 050 6.00 HZ 87 73 77 63 6 06 29.94 30.01 SCT NC 5.00 HZ 93 71 78 49 9 20 29.83 29.90 BKN 250 9.00 89 72 77 57 8 18 29.88 29.95 BKN 200 4.00 HZ 89 73 78 59 8 20 29.85 29.91 BKN 250 9.00 86 72 76 63 8 21 29.87 29.94 BKN 250 7.00 84 70 74 63 5 22 29.87 29.93 BKN 250 6.00,HZ 82 75 77 79 10 19 29.87 29.94 SUNRISE: 0522 AUG 15 SUNSET: 1904 oVC SUNRISE: 0527 AUG 21 SUNSET 1854 BKN 250 6.00 HZ 81 71 74 72 8 35 29,.89 29.96 SCT 250 5.00 BR 80 76 77 87 8 20 29.83 29.90 FEW NC 7.00 80 69 73 69 9 34 29.92 29.99 BKN NC 5.00 BR 78 75 76 90 6 21 29.82 29.89 SCT NC 8.00 80 69 73 69 10 34 29.98 30.04 BKN 250 4.00 HZ 80 74 76 82 0 00 29.84 29.91 SCT NC 10.00 85 67 73 55 8 31 29:99 30.06 BKN 250 10.00 87 70 75 57 12 31 29.86 29.93 SCT NC 10.00 88 67 74 50 13 32 29.99 30.06 FEW 045 9.00 91 69 76 49 5 VR 29.83 29.90 BKN 150 10.00 89 65 73 45 10 33 29.97 30Q04 FEW NC 10.00 93 62 73 36 15 34 29.79 29.86 BKN 200 10.00 84 64 71 51 10 03 29.99 30.06 CLR NC 10.00 86 59 69 40 8 35 29.79 29.86 BKN 250 10.00 80 64 70 58 10,05 30.03 30.09 NC 10.00, 79 59 67 50 8 35 29.81 29.88 SUNRISE: 0523 AUG 16 SUNSET: 1902 SCT SUNRISE: 0528 AUG 22 SUNSET 1853 BKN 250 10.00 77 66 70 69 6 07 30.03 30.09 NC 10.00 74 61 66 64 0 00 29.82 29.88 BKN 250 7.00 76 70 72 82 5 11 30.01 30.08 FEW NC 10.00 71 61 65 71 5 23 29.82 29.88 FEW OVC 020 8.00 76 69 71 79 9 12 30'.02 30.09 BKN NC 10.00 76 59 66 56 7 VR 29.83 29.90 OVC 015 9.00 78 69 72 74 7 12 30.02 30.09 BKN 250 10.00 84 55 66 37 10 29 29.84 29.91 OVC 012 5.00 HZ 78 73 75 85 6 16 29.98 30.05 250 10.00 87 53 66 31 7 31 29.84 29.91 OVC 009 6.00 -RA BR 75 71 72 88 12 05 29.92 29.99 BKN 080 10.00 87 52 66 30 7 30 29.80 29.87 BEN OVC 011 3.00 RA BR 74 71 72 91 6 03 29.94 30.01 BEN 250 10.00 83 54 65 37 9 35 29.79 29.86 OVC 009 6.00 -RA BR 72 68 69 87 12 01 29.96 30.03 250 10.00 76 56 64 50 7 36 29.85 29.92 SUNRISE: 0524 AUG 17 SUNSET: 1860 SCT SUNRISE: 0529 AUG 23 SUNSET 1851 OVC 013 10.00 71 66 68 84 9 36 29.95 30.02 SCT NC 10.00 74 54 62 50 13 02 29.90 29.97 OVC 011 10.00 70 65 67 84 12 35 29..94 30.01 NC 10.00 70 54 61 57 10 01 29.90 29.97 FEW NC 7.00 70 64 66 82 6 36 29.97 30.03 BKN. .110 10.00 70 55 61 59 8 04 29.94 30.00 BKN FEW NC 10.00 79 65 70 62 5 VR 29:97 30.03 BEN 250 10.00 78 57 65 48 7 07 29.96 30.02 SCT NC 10.00 85 57 68 39 3 VR 29.95 30.02 BKN 250 10.00 83 53 65 36 3 VR 29.93 30.00 BKN 070 10.00 86 59 69 40 8 34 29.91 29.98 BKN 080 10.00 81 60 68 49 6 11 29.91 29.98 FEW NC 10.00 81 61 68 51 7 04 29.93 30.00 BKN 200 10.00 77 58 65 52 8 13 29.92 29.99 CLR NC 10.00 76 62 67 62 5 21 29.96 30.03 200 10.00 75 57 64 54 5 06 29.96 30.03 SUNRISE: 0525 AUG 18 SUNSET: 1858 SUNRISE: 0530 AUG 24 SUNSET 1850 BKN SCT NC 10.00 74 63 67 69 0 00 29.98 30.03 BKN 095 10.00 73 60 65 64 8 04 29.98 30.04 CLR NC 8.00 69 84 68 84 5 25 29.96 30.02 SCT 065 10.00 71 56 62 59 7 03 29.98 30.05 CLR NC .00HZ 73 65 68 76 3 21 29.99 30.08 SCT NC 10.00 70 55 61 59 12 02 30.02 30.09 SCT NC 10.00 81 84 70 57 3 yVR 30.00 30.07 NC 10.00 77 57 65 50 8 05 30.06 30.13 BKN SCT NC 10.00 87 63 71 45 10 18 29.98 30.04 SCT 250 10.00 83 55 66 38 7 35 30.05 30.11 BKN 130 10.00 86 61 70 43 10 19 29.94 30.01 FEW NC 10.00 80 54 64 41 8 03 30.04 30.11 14 04 30.09 30.16 OVC 120 10.00 82 62 69 51 13 18 29.94 30.01 FEW NC 10.00 77 53 63 44 OVC 080 10.00 79 66 71 65 13 18 29.96 30.03 NC 10.00 73 54 62 51 0 00 30.14 30:21 PUBLISHED BY: NCDC, ASHEVILLE, NC, PAGE 5

WASHINGTON DC, DC OBSERVATIONS AT 3-HOURLY INTERVALS AUGUST 2005 DCA WBAN # 13743 SATELLITE TTEMPERATURE WIND PRESSURE SATELLITE TEMPERATURE WIND PRESSURE

- zF(INCHES,HG) - OF (INCHESHG)

CO 0 -. -

WEATHER m H - a.- WEATHER _

-> 00 z 0 -w-LU > 0< 0. 0

-- C > -.. Fn -- , 5M o -.

aU wCo 0 e Hw L'Z~aC Uj

~~

0/U 0 ~ V) 0 l /l)- (l 0 L 0 0 C)

U OH Cl /C.

SUNRISE: 0531 AUG 25 SUNSET: 1849 Ii SUNRISE: 0536 AUG 31 SUNSET: 1840 CLR NC 10.00 66 55 60 68 6 01 30.15. 30.22 01 BKN 022 10.00 81 74 76 79 18 18 29.57 29.64 CLR NC 10.00 65 55 59 70 0 00 30:16 30.23 04 oWN 035 10 .00 81 74 76 79 20 21 29.52 29.59 FEW NC 10.00 67 58 62 73 5 36 30.19 30.26 07 OVC 028 10.00 80 72 75 76 15 20 29.52 29.59 SCT NC 10.00 78 51 62 39 6 05 30.20 30.27 10 BKN 120 10.00 86 70 75 59 24 21 29.50 29.57 BKN 250 10.00 82 49 63 32 3 VR 30;17 30.24 13 OVC 055 10 .00 86 67 73 53 13 24 29.50 29.57 BKN 250 10.00 83 50 64 32 3 21 30.12 30.19 16 OVC 065 10 .00 85 67 73 55 14 25 29.51 29.58 OVC 250 10.00 76 54 63 47 9116 30.11 30.18 19 SCT NC 10.00 80 61 68 52 15 32 29.62 29.69 OVC 250 10.00 72 55 62 55 6 19 30:12 30.19 9"9 ('*TI -?Jf _ 1n nf 7r fIr; r"7 r IT UP T'q 79 c' 7q

-ý>q 72 ?q 7q SUNRISE: 05532 AUG 26 SUNSET: 1847 SCT NC 10.00 71 56 62 59 0 00 30.11 30.18 3-HOURLY OBSERVATION NOTES BKN 250 10.00 68 58 62 70 5 24 30.10 30.16 Sky Cover is the amount of the sky obscured. CLR or SKC = 0, FEW = 1/8-2/8, OVC 250 10.00 69 57 62 66 5 22 30.10 30.16 SCT = 3/8-4/8, BKN = 5/8-7/8, OVC = 8/8, W = Vertical Visibilty = 8/8.

OVC 130 10.00 77 59 66 54 7 18 30.07 30.14 Ceiling is reported in hundreds of feet above ground level for clouds at or below 12,000 feet.

OVC 150 10.00 79 58 66 49 10 19 30.04 30.10 NC= No ceiling detected.

OVC 150 10.00 77 57 65 50 9 23 30.02 30.08 & = Original observation contained additional weather elements, BKN 150 10 .00 74 62 67 67 9 16 29.99 30.06 See page 3 for additional notes.

BKN 150 10.001 71 59 64 66 7 17 29.99 30.06 SUNRISE: 05 33 AUG 27 SUNSET: 1846 OVC OVC 140 110 10.00 10.00 -R]

72 70 60 63 65 66 66 79 3 13 29.96 30.03 6 23 29.94 30.01

SUMMARY

BY HOUR 69 62 65 78 10 27 29.97 30.03 AVERAGES RESULTANT BKN 070 10 .00 -R "67 60 63 79 3 17 29.98 30.05 WIND OVC 075 10 .00 -R] HPRESSURE ((MPH)

OVC 060 10.00 69 55 61 -61 5 19 29.95 30.01 72 67 76 6 17 29.91 29.98

• z (INCHES,HG) w OVC 065 10.00 64 OVC 110 7.00 -R] 72 68 69 87 3 14 29.89 29.96 Z)Sý L >- : F .g- o E2_ j_ EL oz OVC 055 10.00 73 69 70 87 7116 29.89 29.96 0 il LLw a a W- U) K z SUNRISE: 0!534 AUG 28 SUNSET: 1844 OVC 013 4.00 -RlA BR 72 69 70 91 10 25 29.88 29.95 OVC 024 10.00 72 69 70 91 8 22 29.85 29.92 01 76 67 71 75 29.95 30.02 8.13 6 2 21 BKN 023 10.00 73 70 71 90 6 21 29.89 29.96 02 76 68 70 77 29.94 30.01 8.19 6 2 22 BKN 025 10.00 79 71 74 77 8 21 29.91 29.98 03 75 67 70 78 29.94 30.01 7.87 6 2 23 BKN 035 8.00 82 70 74 67 5 12 29.89 29.96 04 74 67 70 80 29.94 30.01 7.71 6 2 22 SCT NC 6. 00 HZ 86 68 74 55 3 15 29.86 29.93 '. 05 74 67 70 81 29.95 30 .01 7.74 6 1 25 BKN 046 7.00 81 71 74 72 7 15 29.87 29.93 06 74 67 70 80 29.96 30.03 6.98 5 1 24 SCT NC 10.00, 76 71 73 85 5 19 29.91 29.98 07 75 67 70 76 29.97 30.03 7.24 6 1 24 SUNRISE: 05534 AUG 29. SUNSET: 1843 08 77 67 71 72 29.97 30.04 7.44 6 1 21 SCT NC 10.00 74 70 71 88 3 21 29.91 29.98 09 80 67 71 67 29.98 30.04 7.98 7 1 27 SCT NC 9.00 72 69 70 91 6 15 29.90 29.97 10 82 67 72 62 29.97 30.04 8.35 7 1 21 BKN 250 9.00 74 70 71 88 3 12 29.93 29.99 11 83 66 72 57 29.97 30.04 8.65 7 3 20 OVC 250 10.00 79 70 73 74 8 20 29'94 30,.00: 12 85 65 72 54 29.96 30.03 8.58 7 2 19 OVC 250 10.00 84 69 74 61 6 19 29.91 29.98 13 85 65 72 53 29.95 30.02 8.65 5 2 20 BKN 038 10.00 85 69 74 59 13 16 29,.86 29.93 14 86 64 72 50 29.93 30.00 8.74 7 1 20 BKN 200 10.00 81 67 72 62 5 16 29.87 29.94 15 86 65 72 51 29.92 29.99 8.48 7 1 17 SCT NC 110.001 78 67 71 69 9119129.87 29.94 16 86 65 72 52 29.91 29.98 8.61 8 2 18 SUNRISE: 0!535 AUG 30 SUNSET: 1841 17 85 66 72 54 29.91 29.98 8.71 9 2 15 BKN 250 10.00 76 71 73 85 7 18 29.86 29.93 18 83 66 72 56 29.91 29.98 8.35 10 2 17 OVC 130 10.00 75 71 72 88 3 18 29.83 29.89 19 82 66 71 61 29.92 29.99 8.16 8 2 14 OVC 006 9.00 76 73 74 91 7 19 29.85.29.92 20 80 66 71 64 29.93 30.00 8.55 8 2 14 OVC 075 10.00 80 74 76 82 9 18 29.83 29.90 21 79 67 71 66 29.94 30.01 8.65 7 3 15 OVC 230 10.00 84 72 76 67 8 19 29.79 29.86 22 78 67 71 69 29.94 30.01 8.55 7 3 18 BKN 035 10.00 84 74 77 72 13 15 29.72 29.79 23 77 67 71 72 29.94 30.01 8.48 7 3 20 BKN 150 10.00 81 74 76 79 12 14 29.68 29.75 24 76 67 71 74 29.94 30.01 8.39 7 3 20 BKN 070 10.00 80 74 76 82 12 16 29.65 29.71 PUBLISHED BY: NCDC, ASHEVILLE, NC. P PAGE 6.

Published By: National Climatic Data Center WASHINGTON DC, DC. AUGUST TEMPERATURES 110 43 .3 4-100 37.8

• " 90 32.2 U U 80 -A, A 26.7 -

-\A- Wý 0 70 X_ _X >e, X-X--)e-70 X 21.1 0 60 50

/%V 15.6 10.0 V

40 4.4 1957 1967 1977 1987 1997

+ Extreme Max. 0 Mean Max. A Mean X Mean Min.

• Extreme Min.

Long-Term (1957-2005) Mean: 78.0 1971-2000 Normal: 77.4 WASHINGTON DC, DC AUGUST PRECIPITATION 10.0 254 .0 9.5 241.3 9.0 228.6 8.5 215.9 8.0 203.2 7.5 190.5 7.0 177.8 6.5 165.1 U)

U) 6.0 152.4 5.5 139.7 5.0 127.0 H

z 4.5 114 .3

-H 4.0 101.6 3.5 88.9 3.0 76.2 2.5 63.5 2.0 50.8 1.5 38.1 1.0 25.4 0.5 12.7 0.0 0 1957 1967 1977 1987 1997 Long-Term (1957-2005) Mean Monthly Total: 3.65 1971-2000 Normal: 3.44 PAGE 7

_ " AUGUST 2005 0 0 WASHINGTON DC, DC :C/)

C/W -)

LOCAL CLIMATOLOGICAL DATA 0 NOAA, National Climatic Data Center ,

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SEPTEMBER 2005 WASHINGTON DC, DC LOCAL CLIMATOLOGICAL DATA RONALD REAGAN WASH NTL APT (DCA)

Lat: 38o51' N Long: 77'02' W Elev (Ground): 10 Feet NOAA, National Climatic Data Center Time Zone: EASTERN WBAN: 13743 ISSN #:0198-1188 TEMPERATURE DEG DAYS BASE 65

• SNOW/ICE ONGND(IN)

PRECIPITATION (INCHES)

PRESSURE (INCHES OF HG)

WIND DIR SPEED = MPH

= TENS OF DEGREES w

2F2 1 0 0700 1300 2400 2400 I- MAXIMUM wD w w -0 z 5-SEC 2-MIN

< C : < D Z LST LST LST LST wz w -- 0 w - L ý CW 0 WEATHER > :D Q=LU wC w U qw0 'U Lu 0- w /-fl 0 -fr- C35u CI CL)W ~ E5 C 2

1 3 4 5 6 7 8 910 11 12 13 14 15 16 17 18 .19 20 21 22 23 24 01 87 70 79 4 59 66 0 14 HZ 0 0.0 0.00 29.84 29.91 6.5 32 7.9 21 32 18 31 01 02 90 67 79 5 58 67 0 14 0 0.0 0.00 29.91 29.98 5.0 28 6.6 21 26 16 27 02 03 84 67 76 2 53 62 0 11 0 0.0 0.00 30.00 30.07 8.2 34 8.7 21 34 17 35 03 04 85 63 74 0 53 62 0 9 0 0.0 0.00 30.12 30.19 8.4 01 8.9 20 03 16 02 04 05 84 65 75 1 56 63 0 10 0 0.0 0.00 30.28 30.35 7.4 07 8.9 21 11 17 08 05 06 81 64 73 0 57 63 0 8 0 0.0 0.00 30.32 30.39 7.7 07 8.6 20 06 16 06 06 07 83 60 72 -1 55 62 0 7 0 0.0 0.00 30.21 30.28 2.8 05 4.8 14 12 12 10 07 08 85 60 73 0 54 62 0 8 0 0.0 0.00 30.03 30.10 2.9 19 4.0 12 19 10 20 08 09 86 63 75 2 59 65 0 10 HZ 0 0.0 0.00 30.00 30.07 2.5 35 4.9 16 01 13 13 09 10 85 67 76 4 60 66 0 11 BR HZ 0 0.0 0.00 30.11 30.18 2.5 09 4.9 15 13 13 14 10 11 84 63 74 2 57 63 0 9 0.0 0.00 30.21 30.27 2.3 16 5.9 15 20 13 19 11 I0 z-1 12 86 62 74 2 57 64 0 9 0 0.0 0.00 30.08 30.15 4.7 20 5.7 14 19 10 18 12 13 90 63 77 5 58 65 0 12 0 0.0 0.00 29.96 30.03 5.1 18 6.0 17 14 15 15 13 Oa) 14 15 88 90 74 75 81 83 10 12 70 70 73 73 0

0 16 18 PRA RA 0

0 0.0 0.0 T 29.91 29.98 0.01 29.93 30.00 4.1 4.7 15 07 5.8 6.2 16 15 16 08 14 13 14 08 14 15 zm 16 90 75 83* 12 69 73 0 18 RA BR HZ 0 0.0 T 29.91 29.98 3.2 08 5.6 14 29 12 30 16 17 90 71 81 10 64 70 0 16 TS TSRA RA 0 0.0 T 29.86 29.93 3.0 32 7.4 28 23 21 23 17 .0M 18 19 86 88 68 67 77 78 7

8 58 60 65 66 0

0 12 13 HZ HZ 0

0 0.0 0.0 0.00 0.00 29.99 30.12 30.06 30.19 5.8 2.5 33 20 6.9 6.7 20 17 33 21 16 15 32 21 18 19 0

0u 20 90 71 81 12 63 69 0 16 HZ 0 0.0 0.00 30.02 30.09 5.1 25 9.9 25 31 22 32 20 0(p 21 85 66 76 7 52 62 0 11 0 0.0 0.00 30.08 30.15 2.3 35 6.3 16 01 14 36 21 22 88 62 75 7 60 66 0 10 0 0.0 0.00 30.00 30.06 8.0 20 8.4 23 20 18 22 22 23 93* 70 82 14 63 69 0 17 HZ 0 0.0 0.00 29.95 30.02 2.5 34 8.4 22 03 20 02 23 24 74 68 71 3 57 63 0 6 RA 0 0.0 T 30.19 30.26 8.7 06 10.4 22 04 18 04 24 25 78 67 73 5 61 65 0 8 0 0.0 0.00 30.15 30.22 7.0 17 8.2 16 19 14 18 25 26 84 69 77 10 65 69 0 12 RA BR 0 0.0 0.09 29.82 29.89 13.8 22 14.4 30 23 23 23 26 27 80 60 70 4 49 59 0 5 0 0.0 0.00 29.94 30.01 8.5 36:10.0 23 34 17 01 27 28 80 55 68 2 49 58 0 3 0- 0.0 0.00 30.05 30.12 4.3 17 8.4 20 18 18 17 28 29 77 56 67 1 49 58 0 2 RA 0 0.0 0.01 29.89 29.96 7.2 3016.4 30* 36 26* 34 29 30 70 50* 60* -6 38 49 5 0 0 0.0 0.00 30.13 30.20 2.0 10 6.2 15 03 13 03 30 84.7 65.3 75.0 B 57.8 64.6 0.2 10.5 < MONTHLY AVERAGES I TOTALS-> 0.0 0.11 30.03 30.10 0.3 35 7.7 <- MONTHLY AVERAGES 5.4 3.5 4.5 M -< ----- DEPARTUREFROMNORMAL ----------------- > -3.68 SUNSHINE, CLOUD, & VISIBILITY TABLES ON PAGE 3 GREATEST 24-HR PRECIPITATION: 0.09 DATE :26 SEA LEVEL PRESSURE DATE TIME DEGREE DAYS GREATEST 24-HR SNOWFALL: 0.0 DATE: MAXIMUM 30.45 06 0851 MONTHLY SEASON TO DATE GREATEST SNOW DEPTH: 0 DATE : MINIMUM 29.76 26 1651 TOTAL DEPARTURE TOTAL *DEPARTURE NUMBER OF MAXIMUM TEMP >_90: 7 MINIMUM TEMP -< 32: 0 PRECIPITATION >- 0.01 INCH : 3 HEATING: 5 -14 5 -21 --> MAXIMUM TEMP -* 32 : 0 MINIMUM TEMP < 0 : 0 PRECIPITATION ->0.10 INCH : 0 COOLING: 315 115 1658 159 DAYS WITH THUNDERSTORMS  : 1 HEAVY FOG  : 0 SNOWFALL - 1.0 INCH  : 0

HOURLY PRECIPITATION WASHINGTON DC, DC (WATER EQUIVALENT IN INCHES) SEPTEMBER 2005 DCA WBAN # 13743 2400 LU FOR HOUR (LST) ENDING AT FOR HOUR (LST) ENDING AT LU -6 LST 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 WIO 01 01 01 0.00 02 02 02 0.00 03 03 03 0.00 04 04 04 0.00 05 05 05 0.00 06 06 06 0.00 07 07 07 0.00 08 08 08 0.00 09 09 - 09 0.00 10 10 10 0.00 11 11 11 0.00 12 12 12 0.00 13 13 13 0.00 14 T T T 14 14 T 15 0.01 15 15 0.01 16 16 T T T 16 T 17 17 T 17 T 18 18 18 0.00 19 19 19 0.00 20 20 20 0.00 21 21 21 0.00 22 22 22 0.00 23 23 23 0.00 24 T T T 24 T. T 24 T 25 25 25 0.00 26 26 T T T 0.06 0.03 T 26 0.09 27 27 27 0.00 28 28 28 0.00 29 T T T 0.01 29 29 0.01 30 30 30 0.00 MAXIMUM SHORT DURATION PRECIPITATION(SeeN6te) _

Note : The sum of the hourly totals is given when Time Period (Minutes) 5 10 15 20 30 45 60 :80 100 1201 150 180 it differs from the daily total.. NWS does not edit ASOS hourly values but may edit daily and monthly Precipitation (Inches) .03 .03 .03 .04 .06 .06 .08 .09 .09 .09 .09 .09 totals. Hourly, daily, and monthly totals are printed Ending Date 26 26 26 26 26 26 26 26 -. 26- 26 26 26 as reported by the ASOS site.

Ending Time (Hour/Min) 1716 1716 1816 1733 1743 17431 1813 1816 1816 1816 1816 1816 Date and time are not entered for TRACE amounts.

PAGE 2 NOAA, National Climatic Data Center

REFERENCE NOTES & WASHINGTON DC, DC SUNSHINE CLOUDINESS VISIBILITY (OKTAS) (MILES)

SUPPLEMENTAL SUMMARIES SEPTEMBER 2005 SR-SS MN-MN

• = Extreme for the month (last occurence if Ceilometer (30-second) data are used to derive cloudiness at or below 12,000 feet. This cloudiness uo uj LU more than one) LU ccw T = Trace precipitation amount is the mean -loud -over detected during sunrise to 0- 'c LU uJ

+ = also occurs on earlier date sunset (SR-SS), or midnight to midnight .0 ' (00 FG+ = Heavy fog, visibility .25 miles or less (MN-MN). 01 6.00 10.00 BLANK entries denote missing or unreported 02 8.00 10.00 data Satellite data are used to derive cloudiness above 03 10.00 10.00 12,000 feet. Effective Cloud Amount is based on the 04 10.00 10.00 cloud cover and the transparency of the clouds 05 10.00 10.00 Resultant wind is the vector sum of the wind speeds and directions divided by the number of within the satellite field of view (approx. 31x31 06 9.00 10.00 observations. miles). 07 10.00 10.00 08 10.00 10.00 09 4.00 10.00 Wind direction is recorded in tens of degrees (2 Sky Condition is based on the sum (not to exceed 10 1.25 10.00 digits) clockwise from true north. '00' = calm, 8) of the sunrise to sunset cloud cover below and

'VR' = variable. above 12,000 feet. Both ceilometer and satellite 11 8.00 10.00 data must be present to compute Sky Condition. 12 10.00 10.00 13 10.00 10.00 Precipitation is for the 24-hour period ending at Clear = 0-2 oktas, Partly Cloudy = 3-6 oktas, 14 8.00 10.00 the time indicated in the column heading. Cloudy = 7-8 oktas. 15 8.00 10.00 Water Equivalent of snow on the ground is A Heating (Cooling) Degree Day is the difference 16 4.00 10.00 between the average daily temperature and 65 17 9.00 10.00 reported only when the depth is 2 or more 18 6.00 10.00 inches. degrees F.The HDD season begins July 1, the CDD 19 5.00 10.00 season begins January 1. 20 3.00 10.00 NORMALS ARE FOR THE YEARS 1971 -2000 21 7.00 10.00 Dew Point is the temperature to which the air must 22 7.00 10.00 WEATHER NOTATIONS be cooled toachieve 100% relative humidity. 23 4.00 10.00 Wet Bulb is the temperature the air would have if 24 10.00 10.00 QUALIFIER WEATHER PHENOMENA cooled to saturation at constant pressure by 25 10.00 10.00 DESCRIPTOR PRECIPITATION OBSCURATION OTHER evaporation of water into it.

26 2.50 10.00 BC Patches DZ Drizzle BR Mist DS Duststorm 27 10.00 10.00 Snow Depth, Snowfall, and Sunshine data may 28 10.00 10.00 BL Blowing GR Hail DU Widespread FC Funnel Cloud Dust come from nearby sites that the National Weather 29 8.00 10.00 30 10.00 10.00 DR Low Drifting GS Small Hail and/or +FC Tornado Service deems Climatologically representative of Snow Pellets FG Fog Waterspout IC Ice Crystals FU Smoke PO Well- this site. MONTHLY AVGS 7.59 10.00 MI Shallow Developed PL Ice Pellets HZ Haze Dust/Sand ADDITIONAL NOTES: SUNSHINE (MINUTES)

PR Partial Whirls RA Rain PY Spray Total: Possible:

SH Shower(s)

SG Snow Grains SA Sand SQ Squalls Percent Possible:

TS Thunderstorm SS Sandstorm NUMBER OF DAYS WITH:

SN Snow VA Volcanic Ash SKY CONDITION VC In the GL Glaze CLR PTLYCLDY CLOUDY MISSING Vicinity UP Unknown 30 Precipitation MINIMUM VISIBILITY (MILES)

<=0.25 <=3.0 >=7.0 0 3 21 Intensity (as indicated on pages 4 to 6):

' = Heavy ' ' = Moderate '-' = Light PAGE 3

WASHINGTON DC, DC OBSERVATIONS AT 3-HOURLY INTERVALS SEPTEMBER 2005 DCA WBAN # 13743 SATELLITE TEMPERATURE WIND PRESSURE SATELLITE TEMPERATURE WIND PRESSURE F lUt5,G F p" (INCHESHG)

• " ° "(NHSWEATHER ,HG) " _ WEATHER m0

> fl 0 a -3 0z - _-z ,-

-) 00 H zo o P U) FH5 u ~UJ L ) u 0 lf -0 9 a -ý LJJ r ~ mz~ ~ ~>l o-. ~ ' 0- 0 HUS Fn UJ' IC)H Cl (l SUNRISE: 05 537 SEP 01 SUNSET: 1838 SUNRISE: 0542 SEP 07 SUNSET: 1829 CLR NC 10.00 72 62 66 71 7 27 29.76 29.83 CLR NC 10.00 66 57 61 73 5 09 30.29 30.36 CLR NC 10.00 71 62 65 73 8 31 29.77 29.84 CLR NC 10.00 62 57 59 84 5 02 30.26 30.32 CLR NC 6.00 HZ 72 63 66 73 3 27 29.83 29.90 SCT NC 10.00 64 58 60 81 6 VR 30.28 30.34 CLR NC 10.00 80 58 66 47 13 34 29.88 29.95 SCT NC 10.00 73 57 63 57 6 03 30.28 30.35 FEW NC 10.00 84 52 65 33 13 30 29.86 29.93 FEW NC 10.00 80 50 63 35 9 05 30.23 30.29 SCT NC 10.00 85 55 67 36 10 34 29.84 29.91 FEW NC 10.00 80 49 62 34 3 VR 30.16 30.23 FEW NC 10.00 80 56 65 44 5 31 29.85 29.92 CLR NC 10.00 75 55 63 50 7 11 30.13 30.20 CLR NC 10.00 76 59 66 56 5 22 29.89 29.96 CLR NC 10.00 69 56 611 63 5 24 30.13 30.19 SUNRISE: 05 38 SEP 02 SUNSET: 1837 SUNRISE: 0543 SEP 08 SUNSET: 1827 CLR NC 9.00 72 59 64 64 0 00 29.90 29.97 CLR NC 10.00 64 57 60 78 0 00 30.11 30.18 CLR NC 10.00 69 58 62 68 6 26 29.91 29.98 CLR NC 10.00 62 56 59 81 0 00 30.09 30.16 CLR NC 9.00 72 61 65 69 0 00 29.94 30.01 FEW NC 10.00 64 57 60 78 0 00 30.10 30.17 CLR NC 10.00 83 58 67 43 3 VR 29.95 30.02 CLR NC 10.00 76 52 62 43 0 00 30.09 30.16 FEW NC 10.00 88 58 69 36 8 32 29.91 29.98 FEW NC 10.00 82 49 63 32 8 17 30.03 30.09 FEW NC 10.00 88 58 69 36 7 26 29:.85 29.92 FEW NC 10.00 84 45 62 25 3 09 29.96 30.03 BKN 080 10.00 85 61 70 45 9 25 29.85 29.92 FEW NC 10.00 77 50 62 39 6 22 29.96 30.02 FEW NC 10.00 .79 55 65 44 10 33 29.91 29.98 CLR NC 10.00 70 58 63 66 8 21 29.98 30.04 SUNRISE: 05 539 SEP 03 SUNSET: 1835 SUNRISE: 0544 SEP 09 SUNSET: 1826 CLR NC 10.00 74 53 62 48 9 32 29.49 30.01 CLR NC 10.00 69 57 62 66 5 19 29.98 30.04 CLR NC 10.00 69 54 60 59 9 34 29.98 30.04 CLR NC 10.00 66 57 61 73 0 00 29.97 30.04 CLR NC 10.00 71 53 61 53 6 34 30.02 30.09 BKN 250 10.00 68 56 61 66 7 33 30.00 30.07 FEW NC 10 .00 79 53 64 41 6 04 30.03 30.10 OVC 250 10.00 79 57 66 47 6 34 30.02 30.09 SCT NC 10.00 "83 51 64 33 16 31 30.00 30.07 BKN 250 8.00 85 58 68 40 9 31 30.00 30.07 BKN 250 10.00 81 52 64 37 16 34 29.98 30.05 FEW NC 7.00 85 58 68 40 8 01 29.98 30.04 BKN 250 10.00 77 53 63 44 7 35 29.99 30.06 FEW NC 6.00 HZ 78 62 68 58 9 14 30.01 30.07 CLR NC 10.001 71 53 61 53 6 35 30.03 30.10 CLR NC 6. 00,HZ 76 63 68 64 0 00 30.04 30.11 SUNRISE: 05540 SEP 04 SUNSET: 1833 - SUNRISE: 0545 SEP 10 SUNSET: 1824 BKN 085 10.00 68 54 60 61 3 01 30.05 30.12 CLR NC 4.00 HZ 71 64 67 79 7 04 30.06 30.13 FEW NC 10.00 64 54 58 70 9 34 30.06 30:13 FEW NC 3.00 HZ 69 64 66 84 6 07 30.07 30.14 FEW NC 10.00 66 55 60 68 9 34 30.11 30.18 BKN 075 1.25 BR 69 65 66 87 6 05 30.13 30.20 FEW NC 10.00 78 55 64 45 8 02 30.14 30.21 SCT NC 5.00 HZ 77 65 69 66 5 VVR 30.15 30.22 BKN 075 10.00 85 51 65 31 10 36 30.12 30.19 BKN 046 9.00 81 59 67 47 3 07 30.11 30.18 SCT NC 10.00 84 50 64 31 13 34 30.1l 30.18 BKN 070 10.00 83 54 65 37 3 VR 30.08 30.15 SCT NC 10.00 78 49 61 36 13 02 30.14 30.21 FEW NC 10.00 78 56 65 47 0 00 30.11 30.18 CLR NC .10.00, 71 53 61 53 7 04 30.18 30.25 CLR NC 10.00O 72 57 63 60 6 17 30.14 30.21 SUNRISE: 05541 SEP 05 SUNSET: 1832 SUNRISE: 0546 SEP 11 SUNSET: 1822 CLR NC 10.00 68 55 61 63 6 01 30.20 30.27 CLR NC 10.00 69 57 62 66 3 30 30.16 30.23 FEW NC 10.00 67 55 60 66 12 04 30.23 30.29 FEW NC 10.00 67 57 61 71 0 00 30.18 30.25 FEW NC 10.00 67 55 60 66 8 02 30.28 30.35 FEW NC 9.00 64 56 59 75 6 03 30.24 30.30 FEW NC 10.00 77 59 66 54 7 03 30.31 30.37 FEW NC 10.00 76 58 65 54 5 VR 30.26 30.33 BKN 055 10.00 83 52 65 34 12 09 30.29 30.36 SCT NC 10.00 81 55 65 41 3 VR 30.23 30.29 SCT NC 10.00 82 55 66 40 12 10 30.27 30.34 FEW NC 10.00 82 53 65 37 10 14 30.18 30.25 FEW NC 10.00 77 57 65 50 7 09 30.28 30.35 FEW NC 10.00 75 57 64 54 7 15 30.18 30.25 CLR NC 110.001 73 56 63 55 9 11 30.33 30.40 CLR NC 10.00 71 59 64 66 10 19 30.20 30.26 SUNRISE: 05542 SEP 06 SUNSET: 1830 SUNRISE: 0547 SEP 12 SUNSET: 1821 CLR NC 10.00 67 60 63 79 3 06 30.33 30.40 CLR NC 10 .00 67 58 62 73 3 24 30.19 30.26 FEW NC 10.00 65 60 62 84 9 05 30:33 30.39 CLR NC 10 .00 63 58 60 84 3 23 30.17 30.24 CLR NC 9.00 66 61 63 84 8 04 30.36 30.42 FEW NC 10.00 65 58 61 78 3 23 30.18 30.25 BKN 040 10.00 75 59 65 58 13 06 30.-38 30.45 CLR NC 10.00 78 57 65 48 3 VR 30.14 30.21 SCT NC 10.00 79 54 64 42 9 05 30.33 30.40 CLR NC 10.00 82 56 66 41 5 10 30.06 30.13 SCT NC 10.00 80 54 65 41 8 07 30.29 30.36 CLR NC 10.00 86 52 66 31 10 18 30.00 30.07 FEW NC 10.00 75 55 63 50 7 13 30.28 30.35 CLR NC 10 .00 78 53 63 42 8 22 30.00 30.07 CLR NC 10.00 70 57 62 64 10 13 30.30 30:37 CLR NC 10 .00 71 60 64 68 6 21 30.00 30.07

-I PUBLISHED BY: NCDC, ASHEVILLE, NC. PAGE 4

WASHINGTON DC, DC OBSERVATIONS AT 3-HOURLY INTERVALS SEPTEMBER 2005 DCA WBAN # 13743 SATELLITE TEMPERATURE WIND PRESSURE SATELLITE TEMPERATURE WIND PRESSURE "F - (INCHES,HG) z T pF (INCHES,HG)

Ww °0 WEATHER

__ > Lu0 ujcc 63WEHR

_j WEATHER

• 1o* _,_ ___

< *- co - m CL m> po___2>_>_

ZO zi U)Ju U )J )w >0Lu 0 Z) 0) Fn Po U)

SUNRISE: 05548 SEP 13 SUNSET: 1819 SUNRISE: 0553 SEP 19 SUNSET: 1810 FEW NC 10.00 67 59 62 76 5 23 29.99 30.05 CLR NC 6.00 HZ 69 60 64 73 6 35 30.08 30.15' CLR NC 10.00 66 58 61 75 0 00 29.98 30.04 CLR NC 6.00 HZ 67 60 63 79 7 01 30.10 30.17 FEW NC 10.00 66 59 62 78 3 22 30.00 30.07 CLR NC 5.00 HZ 69 59 63 70 7 35 30.15 30.22 FEW NC 10.00 78 59 66 52 5 14 30.00 30.06 FEW NC 10.00 81 57 66 44 0 00 30.17 30.24 SCT NC 10.00 85 49 64 29 8 17 29.96 30.03 SCT NC 10.00 85 56 67 37 6 17 30.15 30.22 SCT NC 10.00 90 50 66 25 7 19 29.92 29.98 FEW NC 10.00 86 57 68 37 12 18 30.10 30.16 CLR NC 10.00 79 62 68 56 7 16 29.93 30.00 FEW NC 9.00 79 62 68 56 6 18 30.08 30.15 SCT NC 10.00 76 68 71 77 10 19 29.93 30.00 SCT NC 7.00 75 65 69 71 8 20 30.11 30.17 SUNRISE: 05549 SEP 14 SUNSET: 1818 SUNRISE: 0554 SEP 20 SUNSET: 1808 OVC 012 10.00 75 71 72 88 13 20 29.93 30.00 SCT NC 7.00 73 64 67 74 9 21 30.08 30.15 OVC 020 10.00 75 70 72 84 0 00 29.93 30.00 FEW NC 6.00 HZ 72 65 68 79 14 21 30.03 30.09 OVC 010 8.00 75 71 72 88 0 00 29.95 30.01 OVC 012 4.00 HZ 73 67 69 81 7 22 30.04 30.11 OVC 250 10.00 82 71 75 69 6 10 29.94 30.01 BKN 250 4.00 HZ 81 69 73 67 10 18 30.02 30.09 OVC 045 10.00 86 68 74 55 9 20 29.88 29.95 BKN 050 7.00 89 64 72 43 10 33 29.99 30.06 OVC 250 10.00 86 67 73 53 8 14 29.85 29.92 BKN 200 10.00 85 61 70 45 8 31 29.97 30.04 OVC 250 10.00 80 70 73 71 8 15 29.87 29.94 BKN 200 10.00 81 59 67 47 8 31 30.01 30.08 BKN 250 10.00 77 72 74 85 3 08 29.92 29.98 CLR NC 10.00 75 60 66 60 6 34 30.03 30.09 SUNRISE: 05550 SEP 15 SUNSET: 1816 SUNRISE: 0555 SEP 21 SUNSET: 1806 OVC 110 10.00 76 72 73 88 5 10 29.91 29.98 FEW NC 10.00 70 60 64 71 6 35 30.04 30.10 OVC 013 10.00 76 72 73 88 18 02 29.91 29.97 CLR NC 8.00 69 60 64 73 8 31 30.06 30.12 OVC 140 10.00 77 72 74 85 8 04 29.95 30.02 FEW NC 7.00 69 59 63 70 7 36 30.11 30.18 BKN 032 10,00 84 71 75 65 8 06 29.96 30.03 CLR NC 10.00 77 49 61 37 12 03 30.13 30.19 BKN 040 10.00 86 69 74 57 7 10 29.93 30.00 FEW NC 10.00 82 44 61 26 6 VR 30.09 30.16 BKN 250 10.00 89 62 71 41 6 11 29.90 29.97 CLR NC 10.00 84 43 61 24 7 02 30.04 30.11 SCT NC 10.00 84 67 73 57 8 13 29.93 30.00 CLR NC 10.00 75 50 61 42 8 16 30.06 30.12 CLR NC 10.00 79 70 73 74 3 14 29.96 30,03 CLR NC 10.00, 70 52 60 53 5 23 30.08 30.15 SUNRISE: 05 551 SEP 16 SUNSET: 1814 SUNRISE: 0556 SEP 22 SUNSET: 1805 BKN 090 10.00 77 71 73 82 3 13 29.96 30.03 CLR NC 10.00 67 53 59 61 5 24 30.08 30.14 OVC 009 7.00 75 72 73 90 10 06 29.95 30.02 FEW NC 10.00 62 53 57 73 3 24 30.07 30.14 OVC 018 4.00 HZ 76 71 73 85 6 02 29.97 30.04 SCT NC 10.00 66 58 61 75 0 00 30.07 30.14 SCT NC 10.00 81 68 72 65 8 08 29.97 30.04 CLR NC 10.00 77 63 68 62 12 19 30.06 30.13 SCT NC 10.00 88 65 73 46 5 06 29.91 29.98 SCT NC 10.00 84 63 70 49 13 19 29.99 30.06 SCT NC 10.00 87 66 73 50 6 09 29.85 29.92 FEW NC 9.00 86 62 70 45 13 20 29.91 29.98 BKN 090 10.00 83 68 73 61 5 13 29.85 29.92 FEW NC 8.00 80 66 71 62 12 19 29.90 29.96 BKN 150 8.00, 77 69 72 77 8 26 29.86 29.93 CLR NC 7.00, 76 65 69 69 10 19 29.92 29.99 SUNRISE: 0551 SEP 17 SUNSET: 1813 SUNRISE: 0557 SEP 23 SUNSET: 1803 OVC 150 10.00 76 66 70 72 7 24 29.85 29.92 FEW NC 9.00 74 65 68 74 8 20 29.93 30.00 SCT NC 10.00 74 64 68 71 6 22 29.85 29.92 SCT NC 6. 00 HZ 71 64 67 79 5 22 29.92 29.98 BKN 250 10.00 73 65 68 76 3 23 29.87 29.93 BKN. 250 4.00 HZ 71 65 67 81 7 21 29.93 30.00 SCT NC 10.00 84 65 71 53 13 34 29.88 29.95 SCT NC 5.00 HZ 82 67 72 60 7 17 29.93 30.00 BKN 050 10.00 89 63 72 42 10 33 29.86 29.93 SCT NC 7..00 90 64 73 42 7 04 29.92 29.98 BKN 065 10.00 86 62 70 45 10 02 29.83 29.90 BKN 110 10.00 90 59 70 35 9 36 29.92 29.98 BKN 095 10.00 75 67 70 76 5 20 29.85 29.92 BKN 250 10.00 85 60 69 43 6 35 29.97 30.03 BKN 090 110.00, 79 61 68 54 9 34 29.90 29.97 SCT NC 10.001 78 62 68 58 16 02 30.05 30.11 SUNRISE: 0552 SEP 18 SUNSET: 1811 SUNRISE: 0558 SEP 24 SUNSET: 1802 BKN 110 9.00 75 61 66 62 9 36 29.92 29.99 SCT NC 10.00 73 62 66 69 13 02 30.08 30.15 BKN 110 8.00 71 61 65 71 6 34 29.94 30.01 BKN 100 10.00 71 57 63 61 13 04 30.12 30.19 SCT NC 6.001HZ 71 61 65 71 5 34 29.98 30.05 OVC 031 10.00 68 52 59 57 12 02 30.18 30.25 FEW NC 9.00 79 59 67 50 9 33 30. 0C 30.07 OVC 033 10.00 70 54 61 57 10 04 30.22 30.29 BKN 055 10.00 84 55 66 37 8 31 29.98 30.04 OVC 031 10.00 71 57 63 61 10 07 30.21 30.28 SCT NC 10.00 83 54 65 37 13 35 29.9E 30.04 OVC 029 10.00 72 60 65 66 12 08 30.20 30.26 CLR NC 10.00 78 54 64 43 7 33 30.01 30.08 OVC .033 10.00 71 59 64 66 8 08 30.21 30.28 CLR NC 8.00 74 58 64 57 5 24 30.0O 30.12 OVC 035 10.00 69 59 63 70 9 13 30.24 30.30

-I I PUBLISHED BY: NCDC, ASHEVILLE, NC. PAGE 5

WASHINGTONEPTEMBER200 DCA OBSERVATIONS AT 3-HOURLY INTERVALS WBAN # 13743 0

SATELLITE zI

• WEATHERF TEMPERATURE WIND PRESSURE (INCHES,HG) R" SATELLITE TEMPERATURE F P WID IPRESSURE (INCHES,HG)

LU* ,7 _* WEATHER LUr Cr.,=>"w 0 > _*-IO - WETE , * * > _ z Ij 0 0*

• cc Z 1-U- D O .- L ">-. i (2I

.*0 DV W u. > BL - LU U- LUL 0w: 0ý >_

~ 5.. 0 UJ5 0w:) LL. CO...

n _ Lu I-CO 2 a: L0 Wa: f Uj ccF u Mcc W L UD M 0_ __ cc : (0 5 0U SUNSET:

SUNRISE: 0559 SEP 25 SUNSET: 1800 IISUNRISE: SEP 31 SEP 31 SUNSET:

OVC 041 10.00 68 57 62 68 6 14 30.23 30.30 SUNRISE:

OVC 025 10.00 67 58 62 73 3 06 30.21 30.27 OVC 025 10 .00 68 59 63 73 6 14 30.22 30.29 OVC 025 10 .00 70 61 65 73 6 16 30.22 30.28 OVC 055 10 .00 76 62 67 62 9 20 30.17 30.24 OVC 055 10.00 77 62 68 60 6 18 30.11 30.17 OVC 055 10. 00 75 63 67 66 10 17 30.08 30.15 SCT NC 110.001 71 62 66 73 13118 30.06 30.13 SUNRISE: 0560 SEP 26 SUNSET: 1758 OVC 130 10.00 70 63 66 79 9 19 30.01 30.08 3-HOURLY OBSERVATION NOTES OVC 130 10.00 70 64 66 82 10 21 29.96 30.03 Sky Cover is the amount of the sky obscured. CLR or SKC = 0, FEW = 1/8-2/8, OVC 050 10.00 71 64 67 79 10 21 29.93 30.00 SCT = 3/8-4/8, BKN = 5/8-7/8, OVC = 8/8, W = Vertical Visibilty = 8/8.

OVC 024 10.00 77 65 69 66 23 22 29.85 29.92 Ceiling is reported in hundreds of feet above ground level for clouds at or below 12,000 feet.

OVC 050 10.00 83 65 71 55 16 22 29.77 29.83 NC= No ceiling detected.

OVC 060 10. 00 81 65 71 58 17 23 29.70 29.77 & = Original observation contained additional weather elements.

OVC 036 5.00 -RA BR 72 68 69 87 17 22 29.70 29.77 See page 3 for additional notes.

FEW NC 6.001BR 72 68 69 87 10 24 29.73 29.80 SUNRISE: 0600 SEP 27 SUNSET: 1757 FEW FEW NC NC 10.00 10.00 71 67 65 59 67 62 81 76 10 29 29.77 9 35 29.82 29.83 29.88

SUMMARY

BY HOUR AVERAGES RESULTANT SCT NC 10.00 66 50 57 56 13 34 29.92 29.98 ______ - WIND FEW NC 72 51 60 48 12 32 29.96 30.03 PRESSURE WINH 10.00 CC W* (MPH)

CLR NC 10.00 78 45 60 31 13 01 29.96 30.03 U< o z coLJ (INCHES,HG) W CLR NC 10.00 79 43 59 28 10 02 29.95 30.01 0Z O_ 0 CLR NC 10.00 72 *42 56 34 12 03 29.99 30.06 :0 0o C - 0 0 W0

-J O CLR NC 110.001 65 44 54 47 6107 30.04 30.11 .- < <> w LU SUNRISE: 0601 SEP 28 SUNSET: 1755 T_ 0W 0 0 3: =l U) LUW S0j 5

CLR NC 10.00 60 45 52 58 6 35 30.06 30.13 CLR NC 10:00 58 45 51 62 5 35 30.09 30.15 01 70 59 64 71 30.03 30.10 9.47 6 1 29 CLR NC 10.00 58 44 51 60 7 03 30.11 30.18 02 69 60 63 73 30.03 30.10 9.30 6 0 0 CLR NC 10.00 71 48 58 44 3 VR 30.13 30.20 03 68 59 63 73 30.03 30.09 9.07 6 1 35 FEW NC 10.00 77 44 59 31 8 18 30.06 30.13 04 68 59 63 75 30.03 30.10 9.13 7 2 35 FEW NC 10.00 79 50 62 36 12 20 30.00 30.07 05 67 59 62 76 30.04 30.10 9.10 6 1 31 FEW NC 10.00 72 52 61 50 12 14 30.01 30.08 06 67 58 62 75 30.05 30.11 8.73 7 1 36 CLR NC 10.001 67 56 61 68 9119129.98 30.05 07 68 59 63 74 30.06 30.13 8.41 6 2 35 SUNRISE: 0602 SEP 29 SUNSET: 1754 08 71 59 64 67 30.07 30.13 8.68 7 2 1 CLR NC 10.00 66 60 62 81 8 16 29.93 30.00 09 74 60 65 61 30.07 30.14 9.10 8 1 2 SCT NC 10.00 67 61 63 81 18 21 29.86 29.92 10 77 59 66 54 30.07 30.14 9.43 7 2 1 OVC 130 10.00 67 61 63 81 20 20 29.80 29.87

• 11 79 58 66 49 30.06 30.13 9.40 8 1 2 OVC 025 10.00- -RA 70 58 63 66 16 28 29.86 29.93 12 81 56 66 44 30.05 30.12 9.47 8 1 2 SCT NC 10.00 73 51 60 46 15 31 29-.85 2.9.-92 S13 . 82 55 66 41 30.03 30.10 9.70 9 1 33 SCT NC 10.00 75 42 57 31 17 33 29.86 29.93 14 83 54 66 39 30.02 30.08 9.90 9 2 31 FEW NC 10.00 66 36 51 33 20 35 29.96 30.03 15 83 54 66 38 30.00 30.07 9.87 9 2 32 CLR NC 1 10.001 60 35 48 39 18136130.02 30.09 16 83 55 66 39 30.00 30.06 9.87 9 1 2 SUNRISE: 0603 SEP 30 SUNSET: 1752 17 81 55 66 42 30.00 30.06 9.67 10 1 17 01 CLR NC 10.00 54 34 45 47 8 02 30.06 30.13 18 79 57 66 48 30.00 30.07 9.48 10 2 14 04 FEW NC 10.00 54 36 46 51 5 09 30.10 30.17 19 77 57 65 52 30.01 30.08 9.60 8 2 15 07 SCT NC 10 .00 53 41 47 64 6 36 30.16 30.22 20 75 58 65 57 30.03 30.09 9.57 7 2 17 10 BKN 250 10 .00 63 36 50 37 7 04 30.19 30.25 21 74 58 65 60 30.03 30.10 9.40 8 1 19 13 BKN 250 10 .00 67 35 51 31 5 VR 30.15 30.21 22 72 .59 64 63 30.04 30.11 9.40 8 2 20 16 FEW NC 10.00 70 36 53 29 6 18 30.09 30.16 23 71 59 64 66 30.04 30.11 9.33 7 1 19 19 CLR NC 10.00 63 40 51 43 10 14 30.13 30.20 24 70 59 63 69 30.04 30.11 9.33 6 1 27 22 CLR NC 59 43 51 56 7 20 30.16 30.22 I 110.001 PUBLISHED BY: NCDC, ASHEVILLE, NC. PAGE 6

Published By: National Climatic Data Center WASHINGTON DC, DC SEPTEMBER TEMPERATURES 110 43 .3 100 37.8 90 f -- - -- -* * --A - -4i- 32.2 U

80 26.7 U)

U) 70 21.1 U) 0 60 15.6 U) 0 50 10.0 40 4.4 30 -1.1 19 '57 1967 1977 1987 1997

+ Extreme Max.

• Mean Max. A Mean X Mean Min.

• Extreme Min.

Long-Term (1957-2005) Mean: 71.2 1971-2000 Normal: 70.5 WASHINGTON DC, DC SEPTEMBER PRECIPITATION 13 330.2 12 304 .8 11 279.4 10 254.0 9 228.6 W U) 8 203.2 U) 7 177.8 U) 6 152.4 F-j zH1 5 127.0 -

4 101.

3 76.2 2 50.8 1 25.4 0 0 1957 1967 1977 1987 1997 Long-Term (1957-2005) Mean Monthly Total: 3.46 1971-2000 Normal: 3.79 PAGE 7

SEPTEMBER2005

° WASHINGTON DC, DC U)

LOCAL CLIMATOLOGICAL DATA  ! 0 NOAA, National Climatic Data Center U' 0

0~

I certify that this is an official publication of the National Oceanic and Atmospheric Administration (NOAA). It is compiled using information from weather observing sites operated by NOAA -

National Weather Service / Department Of Transportation-Federal .

U)

Aviation Administration and received at the National Climatic Data Center (NCDC), Asheville, North Carolina 28801.

0 C..

DIRECTOR C/

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OCTOBER 2005 WASHINGTON DC, DC

. LOCAL CLIMATOLOGICAL DATA RONALD REAGAN WASH NTL APT Lat: 38*51' N Long: 77'02' W (DCA)

Elev (Ground): 10 Feet NOAA, National Climatic Data Center Time Zone: EASTERN WBAN: 13743 ISSN #:0198-1188 TEMPERATURE F DEG DAYS BASE 65 SNOW/ICE ON GND(IN)

PRECIPITATION PRESSURE (INCHES) (INCHES OF HG)

WIND SPEED = MPH DIR = TENS OF DEGREES 2w D Q 0700 1300 2400 2400 I- MAXIMUM

E j"D z LST LST LST LST w (-5 5 -

- O WEATHER <!R> (nL- cc w S0- Z w 0_ wn5 C o W 1 0i w <a z< 0i ýC nF 0)WC)C o 3: 0 L:w W,~ 11wC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 01 77 52 65 0 50 56 0 0 00 0 0.00 30.23 30.303.9 16 4.8 1513 13 14 01 02 82* 57 70 6 54 60 0 5 0 0.0 0.00 30.29 30.36 1.5 14 3.0 16 09 15 09 02 03 81 57 69 5 57 62 0 4 HZ 0 0.0 0.00 30.29 30.36 3.5 07 4.9 16 13 13 13 03 04 76 66 71 8 63 66 0 6 0 0.0 0.00 30.26 30.33 6.1 06 6.9 14 06 13 06 04 05 81 65 73 10 61 65 0 8 0 0.0 0.00 30.21 30.28 4.1 10 5.8 14 17 12 13 05 CO

.0 06 81 68 75* 13 67 69 0 10 RA BR 0 0.0 0.04 30.08 30.14 4.9 10 6.4 16 12 14 12 06 07 77 70 74 12 69 71 0 9 RA FG+ BR 0 0.0 3.63 29.81 29.87 10.1 17 11.8 39* 22 30* 21 07 08 73 57 65 3 64 66 0 0 RA DZ BR 0 0.0 3.67 29.62 29.69 7.3 34 9.5 25 34 23 34 08 09 64 56 60 -1 52 55 5 0 0 0.0 0.00 29.87 29.94 8.9 36 9.5 20 32 16 34 09 10 69 59 64 3 56 59 1 0 0 0.0 0.00 29.97 30.03 7.0 02 7.5 15 01 12 02 10 IC) 11 65 62 64 3 58 60 1 0 RA BR HZ 0 0.0 0.09 29.97 30.04 10.2 0110.5 18 01 16 01 11 12 66 56 61 1 55 58 4 0 RA DZ BR 0 0.0 0.02 30.02 30.09 11.3 03 12.1 24 02 20 03 12 13 62 55 59 -1 55 57 6 0 PA DZ BR 0 0.0 0.14 29.96 30.03 12.9- 35 13.0 22 01 18 36 13 14 15 69 80 60 57 65 69 10 6 57 46 60 56 0

0 0

4 RA DZ 0 0

0.0 0.0 0.01 0.00 29.86 29.68 29.93 29.75 13.7 10.5 34 13. 9 32 11.0 28 28 34 31 22 21 35 33 14 15 zC) 16 68 53 61 2 38 49 4 0 0 0.0 0.00 29.78 29.85 12.9 30 13.5 37 31 28 32 16 17 69 51 60 2 40 50 5 0 0 0.0 0.00 29.80 29.86 7.6 31 9.2 30 33 23 33 17 18 79 51 65 7 45 54 0 0 0 0.0 0.00 29.74 29.81 5.6 25 8.5 26 31 21 28 18 19 76 51 64 6 50 56 1 0 0 0.0 0.00 29.84 29.90 6.7 21 8.1 24 24 18 22 19 20 64 55 60 3 46 52 5 0 PA " 0 0.0 T 29.94 30.00 8.8 03 9.5 20 06 17 04 20 21 56 51 54 -3 47 50 11 0 RA DZ BR 0. 0.0 0.04 29.93 .30.00 7.9 05 8.2 17 07 15 06 21 22 57 51 54 -2 51 53 11 0 TSRA RA DZ BR 0 0.0 0.61 29.63 29.70 4.7 36 7.4 21 28 16 29 22 23 63 48 56 0 39 47 9 0 0 0.0 0.00 29.78 29.84 4.9 30 8.2 23 33 16 28 23 24 59 47 53 -3 45 49 12 0 RA DZ BR 0 0.0 0.57 29.72 29.79 12.6 04 14.1 31 05 26 06 24 25 48 42 45* -10 41 43 20 0 RA DZ BR 0 0.0 0.59 29.47 29.54 12.3 33 13.8 29 01 22 34 25 26 58 43 51 -4 37 43 14 0 0 0.0 0.00 29.88 29.94 11.0 3111.5 29 34 23 31 26 27 57 42 50 -5 32 42 15 0 0 0.0 0.00 30.15 30.22 5.4 34 6.9 20 33 18 33 27 28 54 40 47 -8 33 41 18 0 0 0.0 0.00 30.24 30.31 5.7 01 6.9 18 01 15 36 28 29 53 40* 47 -7 32 41 18 0 0 -0.0 0.00 30.23 30.29 7.7 32 8.5 25 33 21 32 29 30 67 42 55 1 35 45 10 0 0 . 0.0 0.00 30.25 30.32 4.7 30 6.5 21 31 17 32 30 31 71 41 56 2 41 48 9 0 0 0 0 0.00 30.17 30.24 3.3 20 3.5 10 18 9 19 31 67.8 53.1 60.5 N 48.9 54.3 5.8 1.5 < MONTHLYAVERAGES TOTALS-> 0.0 9.41 29.96 30.03 4.3 35 8.9 <-MONTHLYAVERAGES

-. 2 3.5 1.7 I <

---

DEPARTURE FROM NORMAL - ------------------ > 6.19 SUNSHINE, CLOUD, & VISIBILITY TABLES ON PAGE3 GREATEST 24-HR PRECIPITATION: 5.91 DATE :07-08 SEA LEVEL PRESSURE DATE TIME DEGREE DAYS GREATEST 24-HR SNOWFALL: 0.0 DATE: MAXIMUM 30.42 03 0951 MONTHLY SEASON TO DATE GREATEST SNOW DEPTH: 0 DATE: MINIMUM 29.47 25 0451 TOTAL DEPARTURE TOTAL DEPARTURE MAXIMUM TEMP_5 90: 0 MINIMUM TEMP _< 32: 0 PRECIPITATION Ž0.01 INCH :

HEATING: 179 -26 184 47 MAXIMUM TEMP :E32 : 0 MINIMUM TEMP < 0 : 0 PRECIPITATION >0.10 INCH : 6 COOLING: 46 18 1704 177 DAYS WITH THUNDERSTORMS  : 1 HEAVY FOG  : 1 SNOWFALL _ 1.0 INCH  : 0

HOURLY PRECIPITATION WASHINGTON DC, DC (WATER EQUIVALENT IN INCHES) OCTOBER 2005 DCA WBAN # 13743 2400 w FOR HOUR (LST) ENDING AT FOR HOUR (LST) ENDING AT w - LST 1 2 3 4 5 6 7 8 9 10 11 12 0 13.-14 15 16 17 18 19 20 21 22 23 24 0 0ua 0t01 -. 01 0.00 02 02 02 0.00 03 03 03 0.00 04 04 04 0.00 05 05 05 0.00 06 T T 06 .0.02 T 0.02 06 0.04 07 T 0.02 T 0.02 0.01 T T 0.01 0.25 0.61 0.31 07 T T 0.56 0.24 0.05 0.25 0.07 0.30 0.29 0.18 0.27 0.19 07 3.63 08 0.04 0.07 0,36 0.28 0.34 0.26 0.37 0.26 0.12 0.29 0.18 0.35 08 0.15 0.44 0.11 0.01 0.04 T T T T 08 3.67 09 09 09 0.00 10 10 10 0.00 11 0.02 T T T 0.02 T 0.02 0.02 0.01 T 11 T T T T 11 0.09 12 T T T T T T 12 T 0.01 0,01 12 0.02 13 T T T T 0.03 0.02 0.03 0.02 T T T 13 T T 0.02 T T 0.01 0.01 T 13 0.14 14 T T T T T T T 0.01 T 14 14 0.01 15 15 15 0.00 16 16 16 0.00 17 17 17 0.00 18 18 18 0.00 19 19 19 0.00 20 20 T T 20 T 21 0.01 T T T T 21 T T T T T 0.01 T T T. 0.01 0.01 21 0.04 22 T T 0.07 0.21 0.04 0.03 0.07 T T 0.01 T T 22 T T T 0.01 T 0.06 0.10 0.01 22 0.61 23 23 23 0.00 24 24 T T 0.04 0.12 0.12 0.07 0.11 0.11 24 0.57 25 0.01 0.04 0.03 0.03 0.05 0.07 0.07 0.02 T 0.03 0.04 0.02 25 0.03 T 0.03 0.03 0.04 0.03 0.01 0.01 T T T T 25 0.59 26 26 26 0.00 27 27 27 0.00 28 28 28 0.00 29 29 29 0.00 30 30 30 0.00 31 31 31 0.00 MAXIMUM SHORT DURATION PRECIPITATION (SeeNote)

Note : The sum of the hourly totals is given when Time Period (Mivnutes) 5 10 15 20 30 45 - 60 [-'-80 `-100 120 150 180 it differs from the daily total. NWS does not edit ASOS hourly values but may edit daily and monthly Precipitation (Inches) .24 .45 .57 .63 .72 .77 .79 .80 .93 1.03 1.14 1.17 totals. Hourly, daily, and monthly totals are printed Ending Date 07 07 07 07 07 07 07.* - 07. 07 07 07 07 as reported by the ASOS site.

Ending Time (Hour/Min) 1450 1452 1453 1455 1506 1513, 1524 1545 1114 1115 1147 1147 Date and time are not entered for TRACE amounts.

PAGE 2 NOAA, National Climatic Data Center

REFERENCE NOTES & WASHINGTON DC, DC SUNSHINE CLOUDINESS VISIBILITY (OKTAS) (MILES)

SUPPLEMENTAL SUMMARIES OCTOBER 2005 SR-SS MN-MN

• = Extreme for the month (last occurence if Ceilometer (30-second) data are used to derive er a:

S u j --

more than one) cloudiness.at or below 12,000 feet. This cloudiness T = Trace precipitation amount is the mean cloud cover detected during sunrise to 0-WOW Z Co( W <u Lu

+ = also occurs on earlier date sunset (SR-SS), or midnight to midnight FG+ = Heavy fog, visibility .25 miles or less (MN-MN). 01 10.00 10.00 BLANK entries denote missing or unreported 02 8.00 10.00 data Satellite data are used to derive cloudiness above 03 5.00 10.00 12,000 feet. Effective Cloud Amount is based on the 04 7.00 10.00 05 7.00 10.00 Resultant wind is the vector sum of the wind cloud cover and the transparency, of the clouds speeds and directions divided by the number of within the satellite field of view (approx. 31x31 06 5.00 10.00 observations. miles). 07 .25 10.00 08 .75 10.00 09 10.00 10.00 Wind direction is recorded in tens of degrees (2 Sky Condition is based on the sum (not to exceed 10 8.00 10.00 digits) clockwise from true north. '00' = calm, 8) of the sunrise to sunset cloud cover below and

'VR' = variable. above 12,000 feet. Both ceilometer and satellite 11 4.00 10.00 data must be present to compute Sky Condition. 12 4.00 10.00 13 2.00 10.00 Precipitation is for the 24-hour period ending at Clear = 0-2 oktas, Partly Cloudy = 3-6 oktas, 14 4.00 10.00 the time indicated in the column heading. Cloudy = 7-8 oktas. 15 7.00 10.00 A Heating (Cooling) Degree Day is the difference 16 10.00 10.00 Water Equivalent of snow on the ground is 17 10.00 10.00 reported only when the depth is 2 or more between the average daily temperature and 65 18 10.00 10.00 inches. degrees F.The HDD season begins July 1, the CDD 19 8.00 10.00 season begins January 1. 20 7.00 10.00 NORMALS ARE FOR THE YEARS 1971-2000 21 1.50 10.00 Dew Point is the temperature to which the air must 22 2.50 10.00 WEATHER NOTATIONS be cooled to achieve 100% relative humidity. 23 10.00 10.00 Wet Bulb is the temperature the air would have if 24 2.50 10.00 QUALIFIER WEATHER PHENOMENA cooled to saturation at constant pressure by 25 2.00 10.00 DESCRIPTOR PRECIPITATION OBSCURATION OTHER evaporation of water into it. 26 10.00 10.00 27 10.00 10.00 BC Patches DZ Drizzle BR Mist DS Duststorm Snow Depth, Snowfall, and Sunshine data may 28 9.00 10.00 BL Blowing GR Hail DU Widespread FC Funnel Cloud 29 10.00 10.00 Dust come from nearby sites that the National Weather 30 10.00 10.00 DR Low Drifting GS Small Hail and/or +FC Tornado Service deems Climatologically representative of 31 9.00 10.00 Snow Pellets FG Fog Waterspout FZ Freezing IC Ice Crystals this site. MONTHLY AVGS 6.56 110.00 FU Smoke PO Well-MI Shallow Developed PL Ice Pellets HZ Haze Dust/Sand ADDITIONAL NOTES: SUNSHINE (MINUTES)

PR Partial Whirls RA Rain PY Spray Total: Possible:

SH Shower(s) SG Snow Grains SA Sand SO Squalls Percent Possible:

TS Thunderstorm SS Sandstorm NUMBER OF DAYS WITH:

SN Snow VA Volcanic Ash SKY CONDITION VC In the GL Glaze CLR PTLYCLDY CLOUDY MISSING Vicinity UP Unknown 31 Precipitation MINIMUM VISIBILITY (MILES)

<=0.25 <=3.0 >=7.0 1 7 19 Intensity (as indicated on pages 4 to 6):

= Heavy Moderate -= Light PAGE 3

WASHINGTON DC, DC OBSERVATIONS AT 3-HOURLY INTERVALS OCTOBER 2005 DCA WBAN # 13743 SATELLITE TEMPERATURE WIND PRESSURE, SATELLITE TEMPERATURE WIND PRESSURE

" WF (INCHESHG) " ". zF " (INCHES,HG) c WEATHER 0 H.,Z..u WEATHER

_L DI 0) 5 .-

Zz FL ,0 c-a - CL co

• 0 f. 5 0 o) 0 0 D

-o wuj L

m~j Fn co H LL o z I-0 00 oS~~L D 0 ~ 3:f S~ 0 -0 0 jl E QH U) oJ) _>

SUNRISE: 06104 OCT 01 SUNSET: 1751 SUNRISE: 0610 OCT 07 SUNSET: 1741 CLR NC 10.00 57 44 51 62 0 00 30.17 30.23 OVC 010 8.00 72 68 69 87 5 08 29.98 30.05 CLR NC 10.00 54 45 49 72 0 00 30.19 30.26 OVC 010 5.00 -RA BR 72 69 70 91 6 13 29.93 30.00 SCT NC 10.00 54 47 50 77 0 00 30.23 30.30 OVC 014 10.00 73 69 70 87 12 14 29.89 29.96 SCT NC 10.00 67 50 58 55 8 18 30.27 30.34 OVC o15 2.00 RA BR 73 71 72 94 12 17 29.85 29.92 SCT NC 10.00 75 51 61 43 9 18 30.23 30.30 OVC 024 9.00 -RA 76 71 73 85 16 17 29.77 29.84 SCT NC 10.00 76 52 62 43 5 16 30.20 30.27 OVC 018 10.00 -RA 72 68 69 87 15 19 29.73 29.80 SCT NC 10.00 69 53 60 57 12 15 30.23 30.29 OVC 029 7.00 -RA 71 69 70 94 9 19 29.71 29.78 CLR NC 10.00 66 51 58 59 0 00 30.26 30.32 OVC 012 5.0ORA BR 72 69 70 91 16 20 29.69 29.76 SUNRISE: 06105 OCT 02 SUNSET: 1749 SUNRISE: 0611 OCT 08 SUNSET: 1740 CLR NC 10.00 62 53 57 73 0 00 30.29 30.35 OVC 013 7.00 -RA 73 70 71 90 10 20 29.66 29.73 CLR NC 10.00 59 53 56 81 0 00 30.30 30.36 OVC 005 3.00 RA BR 72 70 71 94 3 17 29.62 29.69 FEW NC 9.00 58 54 56 87 6 06 30.33 30.39 OVC 009 2.00 RA BR 71 70 70 96 5 01 29.60 29.67 FEW NC 10.00 68 55 61 63 3 12 30.33 30.40 OVC 013 4.00 RA BR 72 71 71 97 5 01 29.58 29.65 FEW NC 10.00 77 53 63 44 3 VR 30.29 30.36 OVC 026 0.75 +RA BR 72 70 71 94 9 01 29.56 29.62 SCT NC 10.00 81 52 64 37 5 06 30.26 30.32 OVC Ol 10.00 -RA 64 61 62 90 18 36 29.58 29.64 SCT NC 10.00 71 56 62 59 3 20 30.28 30.35 .OVC 023 10.00 59 55 57 87 17 35 29.63 29.70 CLR NC 10.00 66 53 59 63 6 17 30.30 30.37 OVC Ol 10.00 58 54 56 87 16 33 29.71 29.78 SUNRISE: 06( 06 OCT 03 SUNSET: 1747 SUNRISE: 0612 OCT 09 SUNSET: 1738 CLR NC 10.00 62 54 58 75, 5 26 30.30 30.37 OVC 017 10.00 57 52 54 83 12 33 29.76 29.83 CLR NC 10.00 60 56 58 86 3 07 30.30 30.36 OVC 019 10.00 57 50 53 78 12 33 29.79 29.85 BKN 250 5.00 HZ 59 54 56 83 0 00 30.33 30.40 OVC 025 10.00 57 50 "53 78 9 34 29.83 29.90 BKN 250 10.00 72 55 62 55 8 02 30.35 30.42 OVC 020 10.00 60 51 55 72 9 36 29.88 29.95 BKN 250 10.00 78 55 64 45 5 VR 30.28 30.35 OVC 023 10.00 64 52 57 65 9 35 29.87 29.94 BKN 250 10.00 78 57 65 48 10 11 30.25 30.32 OVC 025 10.00 63 5-2 57 68 8 36 29.89 29.96 SCT NC 10.00 73 60 65 64 3 12 30.27 30.34 OVC 022 10.00 61 52 56 72 8 04 29.93 30.00 SCT NC 10.00 69 61 64 76 5 07 30.30 30.36 OVC o18 10.00 60 53 56 78 9 02 29.96 30.02 SUNRISE: 06107 OCT 04 SUNSET: 1746 SUNRISE: 0613 OCT 10 SUNSET: 1737 BKN 050 10.00 67 63 65 87 5 05 30.28 30.35 OVC 017 10.00 60 53 56 78 9 02 29.96 30.03 BKN 036 10.00 67 62 64 84 6 05 30.27 30.34 OVC 013 9.00 60 53 56 78 8 04 29.95 30.01 OVC 008 8.00 66 62 64 87 8 03 30.29 30.35 OVC 013 10.00 60 53 56 78 8 35 29.99 30.06 BKN 019 9.00 72 61 65 69 8 03 30.31 30.37 BKN 250 10.00 67 56 61 68 7 36 29.98 30.04 OVC 050 8.00 74 62 67 67 6 04 30.26 30.33 OVC 019 10.00 67 57 61 71 7 01 29.96 30.03 OVC 050 10.00 74 64 68 71 5 06 30.23 30.29 OVC 021 8.00 66 58 61 75 7 06 29.95 30.01 OVC 060 10.00 73 65 68 76 7 04 30.23 30.29 OVC 015 9.00 65 58 61 78 10 02 29.96 30.03 OVC 032 110.001 71 64 67 79 6 VR 30.25 30.31 OVC 015 10.00 64 59 61 84 7 05 29.97 30.04 SUNRISE: 06108 OCT 05 SUNSET: 1744 SUNRISE: 0614 OCT 11 SUNSET: 1735 OVC 031 10.00 68 63 65 84 7 10 30.24 30.31 OVC 016 7.00 63 59 61 87 8 02 29.95 30.02 OVC 010 10.00 67 62 64 84 5 06 30.24 30.31 OVC 026 7.00 63 58 60 84 12 36 29.95 30.01 BKN 014 7.00 66 61 63 84 8 06 30.26 30.32 OVC Ol 4.00 -RA BR 62 59 60 90 10 03 29.96 30.03 FEW NC 10.00 72 58 64 61 7 05 30.25 30.32 OVC 013 5.00 -RA BR 63 59 61 87 9 02 29.97 30.04 SCT NC 10.00 80 57 66 45 6 06 30.19 30.25 OVC *013 7.00 -RA 63 58 60 84 12 35 29.96 30.03 BKN 090 10.00 78 61 67 56 7 12 30.17 30:24 OVC :019 6.00 HZ 64 58 60 81 12 01 29.96 30.03 FEW NC 10.00 74 63 67 69 5 15 30.17 30.23 OVC 023 9.00 64 57 60 78 12 36 29.99 30.06 SCT NC 10.00 70 64 66 82 3 15 30.17 30.24 OVC 021 10.00 63 57 60 81 8 35 30.01 30.07 SUNRISE: 06109 OCT 06 SUNSET: 1743 SUNRISE: 0615 OCT 12 SUNSET: 1734 BKN 021 10.00 70 65 67 84 6 15 30.1E '30 .23 OVC 015 10.00 63 57 60 81 10 36 30.01 30.07 OVC 018 8.00 69 65 66 87 0 00 30. 14 30.21 OVC 008 5.00 -DZ BR 61 58 59 90 9 02 30.00 30.06 OVC 016 5.00 BR 70 66 67 87 9 06 30. 14 30.20 OVC 009 5.00 -DZ BR 61 57 59 87 12 05 30.04 30.10 OVC 009 10.00 71 67 68 87 9 10 30. 12 30.19 OVC 020 10.00 63 55 58 76 12 03 30.04 30.11 OVC 021 10.00 76 69 71 79 9 09 30 .07 30.14 OVC 024 10.00 65 54 59 68 13 06 30.01 30.08 BKN 042 8.00 -RA 79 69 72 72 10 16 30.01 30.07 OVC 024 10.00 63 53 57 70 12 05 30.03 30.09 SCT NC 10.00 75 69 71 82 8 12 30.01 30.08 OVC 018 10.00 59 52 55 78 1602 30.04 30.11 SCT NC 10.001 72 67 69 84 8 13 30.01 30.08 OVC 018 6.00 -RA BR 56 52 54 87 13 01 30.03 30.10 IJ I PUBLISHED BY: NCDC, ASHEVILLE, NC. PAGE 4

WASHINGTON DC, DC OBSERVATIONS AT 3-HOURLY INTERVALS OCTOBER 2005 DCA WBAN # 13743 SATELLITE TEMPERATURE WIND PRESSURE SATELLITE TEMPERATURE WIND PRESSURE

" °WEATHERF (INCHES,HG) Rz WF -- (INCHES,HG)

, 6ý: w, _ a W EATHER uja I"

.. . .* x

• , h- * < WEATHER o ui* *" z

D ~~ui - m L 0O 3 0 D..

-o c 0 WUi ~ - c z(

0 'u uao9_

W>L T-r LU Lu LUu

c. =U mLUQ 0

~ mi LU

'r Lc CL

.n 9

w_5 _ __ _ _ 0 0 c)L~~.C)-u co 0 aT SUNRISE: 0616 OCT 13 SUNSET: 1732 SUNRISE: 0622 OCT 19 SUNSET 1724 OVC 014 9.00 -DZ 55 52 53 90 10 34 30.00 30.07 CLR NC 10.00 56 47 51 72 5 24 29.87 29.94 OVC 016 4.00 -RA BR 55 52 53 90 13 33 29.98 30.05 CLR NC 10.00 52 46 49 80 3 26 29.89 29.96 OVC 014 3.00 -DZ BR 56 53 54 90 15 36 29.97 30.04 BEKN 250 10.00 54 48 51 80 3 10 29.91 29.98 OVC 010 8.00 -DZ 58 55 56 90 15 35 29.98 30.05 BKN 250 10.00 64 51 57 63 12 18 29.91 29.98 OVC 012 10.00 61 55 58 81 16 35 29.96 30.02 BKN 250 10.00 74 46 59 37 16 23 29.81 29.88 OVC 014 10.00 62 56 59 81 12 36-29.94 30.01 SCT NC 10.00 76 49 61 39 14 21 29.76 29.83 OVC 013 4.00 -DZ BR 60 57 58 90 12 35 29.95 30.02 SCT NC 10.00 67 54 60 63 8 20 29.77 29.83 OVC 013 7.00 -DZ 60 57 58 90 13 34 29.95 30.01 FEW NC 10.00 64 55 59 73 7 19 29.78 29.85 SUNRISE: 0617 OCT 14 SUNSET: 1731 SUNRISE: 0623 OCT 20 SUNSET 1723 OVC 013 10.00 -RA 60 57 58 90 12 34 29.92 29.98 CLR NC 8.00 61 56 58 84 5 23 29.79 29.85 OVC 019 10.00 -RA 60 57 58 90 16 34 29.89 29.96 BKN 250 7.00 59 54 56 83 7 01 29.83 29.90 OVC 014 10.00 61 57 59 87 14 33 29.92 29.98 BKN 250 10.00 59 50 54 72 12 03 29.91 29.97 OVC 032 10.00 64 58 60 81 14 35 29.91 29.98 SCT NC 10.00 61 45 53 56 13 04 29.98 30.05 OVC 020 10.00 69 60 64 73 15 34 29.85 29.91 OVC 055 10.00 62 44 53 52 10 04 29.95 30.02 OVC 028 10.00 69 57 62 66 14 34 29.82 29.88 OVC 050 10.00 57 42 50 58 9 02 29.96 30.03 BKN 120 10.00 65 56 60 73 9 34 29.82 29.89 OVC 048 10.00 56 40 48 55 9 03 29.99 30.06 BKN 250 10.00U 64 54 58 70 15 33 29.80 29.86 OVC 049 10.00 55 41 48 59 9 05 30.01 30.08 SUNRISE: 0618 OCT 15 SUNSET: 1729 SUNRISE: 0624 OCT 21 SUNSET 1721 CLR NC 10.00 62 53 57 73 14 32 29.76 29.83 OVC 039 10.00 56 41 49 57 5 10 29.99 30.06 CLR NC 10.00 58 52 55 81 7 36 29.71 29.78 OVC 037 10.00 55 42 49 62 6 04 29.95 30.02 CLR NC 7.00 61 52 56 72 10 33 29.72 29.79 OVC 038 10.00 55 44 50 67 9 05 29.98 30.05 CLR NC 7.00 70 54 61 57 14 31 29.70 29.77 OVC 040 6.00 BR 51 47 49 86 10 03 29.99 30.06 FEW NC 10.00 77 49 61 37 16 30 29.60 29.67 OVC 007 6.00 BR 52 48 50 86 10 04 29.93 30.00 FEW NC 10.00 77 42 58 29 15 34 29.58 29.65 OVC 007 2.50 -DZ BR 53 50 51 89 8 04 29.91 29.98 CLR NC 10.00 69 37 53 31 10 33 29.67 29.73 OVC 006 3.00 -DZ BR 52 50 51 93 9 05 29.91 29.98 CLR NC 10.00 61 39 50 44 8 34 29.73 29.80 OVC 006 7.00 -DZ 53 50 51 89 12 08 29.88 29.95 SUNRISE: 0619 OCT 16 SUNSET: 1728 SUNRISE: 0625 OCT 22 SUNSET 1720.

CLR NC 10.00 58 37 48 46 6 25 29.74 29.80 OVC 004 4.00 -DZ BR 53 50 51 89 12 06 29.79 29.86 CLR NC 10.00 55 38 47 53 7 25 29.76 29.83 OVC 006 6.00 -RA BR 53 51 52 93 9 04 29.72 29.78 FEW NC 10.00 56 38 47 51 10 29 29.80 29.87 OVC 006 5.00 -PA BR 54 52 53 93 10 04 29.65 29.72 FEW NC 10.00 62 40 51 44 20 29 29.81 29.87 OVC 006 2.50 -DZ BR 55 53 54 93 7 03 29.62 29.69 SCT NC 10.00 67 39 53 36 16 31 29.77 29.84 OVC 006 3.00 -DZ BR 57 54 55 90 3 01 29.56 29.63 BKN 080 10.00 65 38 52 37 14 30 29.76 29.82 OVC 006 8.00 57 53 55 87 6 30 29.53 29.60 FEW NC 10.00 62 36 50 38 13 30 29.78 29.85 OVC 065 10.00 -RA 55 50 52 83 6 29 29.59 29.66 CLR NC 110.001 58 36 48 44 15 32 29.80 29.87 SCT NC 10.00 53 48 50 83 5 VR 29.61 29.68 SUNRISE: 0620 OCT 17 SUNSET: 1727 SUNRISE: 0626 OCT 23 SUNSET 1719 CLR NC 10 .00 55 39 47 55 9 33 29.80 29.87 FEW NC 10.00 52 42 47 69 14 29 29.65 29.72 CLR NC 10 .00 54 39 47 57 7 33 29.80 29.86 CLR NC 10.00 49 38 44 66 10 23 29.69 29.76 FEW NC 10.00 53 39 46 59 3 33 29.83 29.90 SCT NC 10.00 48 36 43 63 6 23 29.73 29.80 FEW NC 10.00 62 40 51 44 14 34 29 84 .29-91 SCT NC. 10.00 56 36 47 47 17 33 29.79 29.85 SCT NC 10.00 66 40 53 39 14 29 29'.79 '29.,85 SCT NC 10.00 61 38 50 43 8 32 29.78 29.85 FEW NC 10.00 68 38 53 33 10 30 29.75 29.82 SCT NC 10.00 62 38 50 41 8 01 29.79 29.86 FEW NC 10 .00 62 38 50 41 7 28 29.7.7 29.84 FEW NC 10.00 55 43 49 64 6 18 29.83 29.90 FEW NC 110.00, 54 42 48 64 7 21 29.79 29.85 FEW NC 10.00o 51 44 48 77 7 06 29.86 29.93 SUNRISE: 0621 OCT 18 SUNSET: 1725 SUNRISE: 0627 OCT 24 SUNSET 1717 BKN 100 10.00 53 45 49 74 5 23 29.75 29.82 BKN: 110 10.00 50 43 47 77 3 01 29.84 29.91 BKN 110 10.00 54 47 50 77 8 23 29 .73 29.79 OVC 130 10.00 51 43 47 74 8 02 29.83 29.90 SCT NC 10.00 53 44 49 72 9 22 29.73 29.80 OVC 130 10.00 51 44 48 77 7 04 29.83 29.90 SCT NC 10.00 65 47 55 52 7 18 29 .72 29.79 OVC, 130 10.00 57 46 51 67 14 07 29.82 29.89 SCT NC 10.00 77 47 60 35 20 30 29 68 29.75 OVC 034 10.00 58 46 52 65 15 07 29.75 29.81 SCT NC 10.00 78 39 57 25 14 30 29.68 29.75 OVC 047 10.00 56 45 50 67 22 06 29.66 29.73 FEW NC 10.00 71 39 55 31 7 2S 29.75 29.82 OVC 030 5.00 -RA BR 50 46 48 86 16 02 29.63 29.70 FEW NC 61 49 55 00 29.83 29.90 OVC 013 BR 47 89 23 01 29.55 29.62 1 10.001 65 0 P 2.50RA 48 45 I

PUBLISHED BY: NCDC, ASHEVILLE, NC. PAGE 5

WASHINGTON DC, DC OBSERVATIONS AT 3-HOURLY INTERVALS OCTOBER 2005 DCA WBAN # 13743 SATELLITE TEMPERATURE WIND PRESSURE SATELLITE TEMPERATURE WND PRESSURE STEMWEATHERF (INCPESHG)

S (INCHESHG)

> 0 a: SWEATHER

-,, "a - , z CrU D WEATHER 9 0 zo CL cc

> > Ui o R z m > >U q 0 -U> =

S.

0 0. 0 Z---0 _ - Z

-~L J) U) aJ ___

< 0~_ __ wj SUNRISE: 0628 OCT 25 SUNSET: 1716 SUNRI SE: 0634 ( 'CT 31 SUNSET: 1709 OVC 011 9.00 -DZ 48 44 46 86 18 01 29.48 29.54 01 CLR NC 10 oC 46 40 43 79 0100 30.23 30.30 OVC 013 4.00 -RA BR 47 44 46 90 10 35 29.41 29.48 04 CLR NC 10. OC 43 39 41 86 0100 30.22 30.29 OVC 028 4.00 -RA BR 45 42 44 90 18 33 29.42 29ý49 07 SCT NC 10. OC 42 38 40 85 3127 30.23 30.30 OVC 014 2.50RA BR 45 41 43 86 13 33 29.44 29.51 10 SCT NC 10 . 0C 53 43 48 69 8118 30.23 30.29 OVC 017 5.00 -DZ 46 41 44 83 13 33 29.42 29.49 13 FEW NC 10. OC 66 43 54 43 9119 30.16 30.23 OVC 013 4.00 -OZ BR 44 40 42 85 12 34 29.46 29.53 16 CLR NC 10. OC 68 40 54 36 3 20 30.11 30.18 OVC 024 5.00 -PA BR 42 39 41 89 13 28 29.52 29.59 19 CLR NC 10.0c 58 46 52 65 8 20 30.11 30.18 OVC 022 I8.001-DZ 43 39 41 86 12,31 29.57 29.64 22 CLR NCI 10.0 52 44 48 75 30.11 30.18 SUNRISE: 0829 OCT 26 SUNSET: 1715 BKN 120 10.00 43 38 41 82 14 32 29.82 29.688 3-HOURLY OBSERVATION NOTES FEW NC 10.00 44 37 41 76 13 31 29.67 29.74 Sky Cover is the amount of the sky obscured. CLR or SKC = 0, FEW = 1/8-2/8, SCT NC 10.00 44 36 41 73 8 30 29.79 29.86 SCT = 3/8-4/8, BKN = 5/8-7/8, OVC = 8/8, W = Vertical Visibilty = 8/8.

SCT NC 10.00 52 37 45 57 14 30 29.87 29.93 Ceiling is reported in hundreds of feet above ground level for clouds at or below 12,000 feet.

BKN 042 10.00 56 37 47 49 20 33 29.88 29.95 NC= No ceiling detected.

BKN 080 10.00 55 36 46 49 12 31 29.93 29.99 & = Original observation contained additional weather elements.

BKN 050 10.00 50 36 44 59 7 28 30.01 30.08 See page 3 for additional notes.

FEW NC 10.00l 48 36 43 63 10 28 30.07 30.14 SUNRISE: 0630 OCT 27 SUNSET: 1713 FEW CLR NC NC 10.00 10.00 44 44 34 32 40 39 88 63 3 30 30.09 30.18 7 34 30.09 30.16

SUMMARY

BY HOUR FEW NC 10.00 44 32 39 63 5 28 30.14 30.21 AVERAGES RESULTANT FEW NC 10.00 51 34 43 52 10 35 30.17 30.24 WIND C PRESSURE 0 (MPH)

BKN 050 10.00 55 31 44 40 . 8 01 30.14 30.20

< m z (INCHES,HG) W BKN OVC 065 075 10.00 10.00 54 49 31 31 44 41 42 50 14 01 30.14 30.21 7 36 30.18 30.25 moo9

• 0z J OVC 070 10.00 48 34 42 58 5101 30.22 30.29 Cco LL*>

Oww o-CL w w

• • <H Co.J z 9 W

-- C z IL o a 0w 0

SUNRISE: 0631 OCT 28 SUNSET: 1712 OVC 070 10.00 46 38 42 88 5 08 30.23 30.30 OVC 060 10.00 45 35 41 68 9 05 30.22 30.29 01 57 49 53 76 29.96 30.03 9.42 7 4 34 OVC 065 10.00 45 33 40 63 8 04 30.25 30.32 02 56 49 53 77 29.96 30.02 9.06 7 4 34 BKN 250 10.00 49 35 43 59 3 06 30.28 30.35 03 56 49 52 78 29.95 30.02 8.89 6 4 35 BKN 150 10.00 53 32 44 45 12 01 30.23 30.30 04 56 49 52 78 29.95 30.02 8.65 7 4 35 I10 ool BKN 055 10.00 51 32 43 48 12 34 30.22 30.29 05 56 49 52 78 29.96 30.02 8.69 7 4 1 FEW NC 10.00 48 33 42 56 8 33 30.24 30.31 06 55 49 52 79 29.96 30.03 8.40 7 4 1 FEW NC 1 10.001 43 34 39 71 6 35130.28 30.32 07 56 49 52 78 29.97 30.04 8.19 8 5 36 SUNRISE: 0632 OCT 29 SUNSET: 1711 08 57 49 53 75 29.99 30.05 8.90 9 5 36 SCT NC 10.00 43 33 39 88 0 00 30.28 30.32 09 59 49 54 71 29.99 30.06 8.98 10 5 36 OVC 100 10.00 10.00 42 35 39 76 0 00 30.23 30.30 10 61 50 55 67 29.99 30.05 8.58 10 5 36 SCT NC 10.00 42 34 39 73 17 32 30.25 30.32 11 63 49 56 63 29.98 30.05 8.59 11 5 34 SCT NC 10.00 49 32 42 52 14 33 30 288 30.,35 12 64 49 56 61 29.96 30.03 9.31 11 4 34 BKN 055 10.00 51 27 41 39 15 33 30.23 30..30 .2 13 66 49 57 58 29.94 30.01 8.99 11 6 34 FEW NC 10.00 52 30 43 43 12 34 30.18 30:25 14 66 49 57 57 29.93 30.00 8.89 11 6 34 CLR NC 10.00 46 36 42 68 6 26 30.20 30.26 15 66 48 57 57 29.93 29.99 8.86 11 5 34 CLR NC 49 33 42 55 51VRI30.20 30;27 16 65 48 56 57 29.92 29.99 9.24 11 5 36 SUNRISE: 0633 OCT 30 SUNSET: 1710 17 64 48 56 60 29.93 30.00 8.79 10 4 35 CLR NC 10.00 48 33 42 58 8 33 30.21 30.28 18 62 48 55 63 29.94 30.01 8.65 9 3 35 CLR NC 10.00 47 33 41 59 10 32 30.24 30.30 19 61 49 55 67 29.95 30.02 9.10 9 3 34 FEW NC 10.00 45 33 40 63 5 25 30.27 30.34 20 60 49 54 69 29.96 30.02 9.06 8 3 35 CLR NC 10.00 56 33 46 42 9 33 30.30 30.37 21 59 49 54 71 29.96 30.03 8.89 9 4 35 CLR NC 10. 00 64 32 49 30 10 34 30.24 30.31 22 58 49 54 74 29.97 30.03 9.21 8 3 35 FEW NC 10.00 66 33 50 29 8 30 30.23 30.29 23 58 49 53 75 29.96 30.03 9.15 8 4 34 FEW NC 10.00 56 37 47 49 3 22 30.23 30.30 24 57 49 53 76 29.96 30.03 9.26 8 3 33 CLR NC I10.00 49 41 45 74 0100130.25 30.32 PUBLISHED BY: NCDC, ASHEVILLE, NC. PAGE 6

Published By: National Climatic Data Center WASHINGTON DC, DC OCTOBER TEMPERATURES 100 37.8 90 32.2 80 26.7 C.)

70 21.1 CO Cd 60 15.6 CO 0

50 10.0 F4 0

40 4.4 30 -1.1 20 -6.7 1957 1967 1977 1987 1997

+ Extreme Max. 0 Mean Max. A Mean X Mean Min.

• Extreme Min.

Long-Term (1957-2005) Mean: 59.4 1971-2000 Normal: 58.8 WASHINGTON DC, DC OCTOBER PRECIPITATION 10.0 254.0 9.5 241.3 9.0 228.6 8.5 215.9 8.0 203.2 7.5 190.5 7.0 177.8 6.5 165.1 6.0 152 .4 Co 5.5 139.7 CO 5.0 127.0 C) 4.5 114.3 4.0 101.6 3.5 88.9 3.0 76.2 2.5 63 .5 2.0 50.8 1.5 38 .1 1.0 25.4 0.5 12.7 0.0 0 1957 1967 1977 1987 1997 Long-Term (1957-2005) Mean Monthly Total: 3.02 1971-2000 Normal: 3.22 SPAGE7'7,

OCTOBER2005 -

SWASHINGTON DC, DC C/

LOCAL CLIMATOLOGICAL DATA  ! <

NOAA, National Climatic Data Center U" ILL

• W (J.

0 0)

C U)

I certify that this is an official publication of the National Oceanic and Atmospheric Administration (NOAA). It is compiled using information from weather observing sites operated by NOAA -

National Weather Service / Department Of Transportation-Federal -

Aviation Administration and received at the National Climatic Data Center (NCDC), Asheville, North Carolina 28801.

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O1 Q United States National Oceanic and National Environmental Satellite Department of Commerce Atmospheric Administration Data, and Information Service

.. NOVEMBER 2005 WASHINGTON DC, DC

- LOCAL LOC 'L A CLIMATOLOGICAL DATA RONALD REAGAN WASH NTL APT Lat: 38051' N Long: 77*02, W (DCA)

Elev (Ground): 10 Feet NOAA, National Climatic Data Center TimeZone: EASTERN WBAN: 13743 ISSN #:0198-1188 DEG DAYS SNOW/ICE PRECIPITATION PRESSURE SPEED = MPH TEMPERATURE F ON GND(IN) (INCHES) (INCHES OF HG) DIR = TENS OF DEGREES BASE 65 0700 L T 2400 1300 ST 2400 z*J MAXIMUM uLU (D 0 , 0< ý- m Z ( 0 .9 Z LST ST uz Lu . U1- 5-SECI 2-MIN

.-- > L L:LU o: 2 0 ca < U-wS <0T Z<T <

w c-i<0 0)0

-T- 0) 1 2 3 4 5 6 7 8 10 11 12 13 14 15 16 17 18 19 2021 222324 01 69 49 59 6 42 50 6 0 0 0.0 0.00 29.95 30.03 7.6 22 10.3 23 31 17 32 01 02 62 46 54 1 38 47 11 0 RA 0 0.0 T 30.07 30.14 6.1 32 7.9 24 34 20 32 02 03 67 41 54 2 40 47 11 0 BCFG BR 0 0.0 0.00 30.13 30.20 7.9 20 8.7 22 20 17 21 03 04 68 47 58 6 43 50 7 0 0 0.0 0.00 29.96 30.03 6.8 2-1 7.2 14 16 13 18 04 05 75 50 63 11 51 55 2 0 BR HZ 0 0.0 0.00 29.98 30.04 2.8 19 3.2 10 19 10 19 05 06 77* 54 66* 14 52 57 0 1 BR HZ 0 0.0 0.00 29.91 29.97 7.8 22 9.9 32 21 28 22 06 CflZ 07 08 65 65 47 45 56 55 5

4 38 46 48 51 10 9 0 0 RA BR

- 0 0

0.0 0.0 0.00 0.05 30.13 30.06 30.20 30.12 7.6 2.7 31 9.4 20 4.5 26 13 33 19 20 12 32 19 07 08 iC0 09 69 51 60 9 53 56 5 0 RA BR HZ 0 0.0 T 29.86 29.92 3.9 20 7.5 21 22 17 21 09 10 69 42 56 6 30 44 9 0 RA 0 0.0 T 29.83 29.90 15.2 32 16.1 44 33 31 32 10 11 54 38 46 -4 28 39 19 0 0 0.0 0.00 30.09 30.16 6.4 29 7.4 21 33 17 33 11 12 60 36 48 . -2 35 42 17 0 0 0.0 0.00 30.22 30.29 5.7 19 6.3 15 19 13 19 12 13 68 44 56 6 42 50 9 0 0 0.0 0.00 30.16 30.23 10.1 20 10.3 22 21 18 21 13 14 66 53 60 11 43 52 5 0 RA 0 0.0 T 30.21 30.28 1.9 01 6.1 18 34 16 35 14 15 69 53 61 12 54 58 4 0 RA BR HZ 0 0.0 0.01 30.11 30.18 6.5 20 7.4 24 19 17 20 15 1001 16 75 45 60 11 53 57 5 0 RA BR 0 0.0 0.48 29.93 29.99 6.7 23 15.6 32 20 26 20 16 17 18 45 42 31 28 38 35

-11

-13 20 16 32 28 27 30 0

0 0

0 0.0 0.0 0.00 0.00 30.22 30.32 30.29 12.6 30.39 7.1 33 12.8 31 8.3 28 22 33 33 22 20 34 33 17 18

'00 19 50 29 40 -8 25 34 25 0 0 0.0 0.00 30.29 30.36 4.7 19 5.3 15 19 13 19 19 ou1 20 58 35 47 -1 30 40 18 0 0 0.0 0.00 30.19 30.25 4.1 21 4.7 10 22 9 22 20 0 RA BR 0 0.0 0.63 29.77 29.83 3.7 02 6.0 23 01 20 02 21 0

21 50 44 47 0 42 45 18 22 50 38 44 -3 31 39 21 0 RA DZ BR 0 0.0 0.18 29.31 29.37 17.3 33 18.1 37 33 30 30 22 23 41 31 36 -10 17 29 29 0 SN BR 0 T 0.04 29.58 29.65 9.2 28 13.7 37 30 30 30 23 24 51 25 38 -8 25 33 27 0 RA 0 0.0 0.01 29.45 29.51 7.6 2913.9 49* 33 43* 33 24 25 36 22* 29* -17 3 22 36 0 0 0.0 0.00 30.19 30.26 6.9 30 8.6 26 33 21 33 25 26 46 27 37 -8 20 31 28 0 0 0.0 0.00 30.26 30.33 5.8 19 6.2 20 23 16 20 26 27 53 34 44 -1 31 39 21 0 RA DZ 0 0.0 T 30.23 30.29 1.0 10 3.9 12 23 9 05 27 28 69 47 58 13 51 54 7 0 RA DZ BR 0 0.0 0.04 30.10 30.17 5.0 16 8.8 25 16 20 17 28 29 68 53 61 17 56 59 4 0 RA BR 0 0.0 0.48 29.85 29.91 15.7 18 17.9 39 18 30 18 29 30 54 37 46 2 37 43 19 0 0 0.0 0.00 29.94 30.01 12.4 35 12.8 26 34 21 35 30 59.7 40.7 50 2

• 36.4 44.4 14.6 0.0 < MONTHLYAVERAGES ITOTALS-> T 1.92 30.01 30.08 3.4 26 9.3 <-MONTHLYAVERAGES 0.7 1.5 --- ------ DEPARTUREFROMNORMAL-....-> -1.11 SUNSHINE, CLOUD, & VISIBILITY TABLES ON PAGE 3 2.4 GREATEST24-HR PRECIPITATION: 0.81 DATE :21-22 SEA LEVEL PRESSURE DATE TIME DEGREE DAYS GREATEST24-HR SNOWFALL: T DATE :23 MAXIMUM 30.45 18 0951 MONTHLY SEASON TO DATE GREATEST SNOW DEPTH: 0 DATE: MINIMUM 29.23 22 0551 TOTAL DEPARTURE TOTAL DEPARTURE NUMBEROF M MAXIMUM TEMP a 90: 0 MINIMUM TEMP -5 32: 7 PRECIPITATION Ž 0.01 INCH : 9 HEATING: 439 -38 623 -85 N E >IMAXIMUMTEMP < 32  : 0 MINIMUM TEMP *0 : 0 PRECIPITATION 0.10 INCH : 4 COOLING: 1 -3 1705 174 DAYS WITH THUNDERSTORMS  : 0 HEAVY FOG  : 0 SNOWFALL _>1.0 INCH  : 0

HOURLY PRECIPITATION WASHINGTON DC, DC (WATER EQUIVALENT IN INCHES) NOVEMBER 2005 DCA -WBAN # 13743 2400 U FOR HOUR (LST) ENDING AT FOR HOUR (LST) ENDING AT LU EC" LST E 0 .2 1 2 3 4 5 6 7 8 9 10 11 12 0 13 14 15 16 17 18 19 20 21 22 23 24 In)O

• 01 01 01 0.00 02 T 02 02 T 03 03 03 0.00 04 04 04 0.00 05 05 05 0.00 06 06 06 0.00 07 07 07 0.00 08 08 0.02 0.02 0.01 08 0.05 09 T T 09 09 T 10 T T T T 10 T 10 T 11 11 11 0.00 12 12 12 0.00 13 13 13 0.00 14 T 14 14 T 15 0.01 T T 15 15 0.01 16 16 T T 0.01 0.22 0.10 0.09 0.06 T 16 0.48 17 17 17 0.00 18 18 18 0.00 19 919.

• 19 0.00 20 20 20 0.00 21 T T 21 0.01 0.05 0.06 0.06 0.04 0.05 0.04 0.05 0.02 0.08 0.16 0.01 21 0.63 22 0.05 0.01 0.01 0.02 0.04 T T T T 0.03 0.02 T 22 22 0.18 23- 23 T T T 0.03 0.01 T 23 0.04 24 T 0.01 T 24 24 0.01 25 25 25 0.00 26 26 26 0.00 27 27 T T T 27 T 28 TT 0.02 0.01 0.01 T 28 28 0.04 29 T T 29 T T T 0.02 0.20 0.24 0.01 0.01 29 0.48 30 30 30 0.00 MAXIMUM SHORT DURATION PRECIPITATION'(SeeN-Nte) ""

Note: The sum of the hourly totals is given when Time Period (Minutes) 5 10 15 20 30 45 60 80 100 120 150 180 it differs from the daily total. NWS does not edit ASOS hourly values but may edit daily and monthly Precipitation (Inches) .17 .21 .23 .23 .26 .29 .37 .44 .45 .46 .46 .46 totals. Hourly, daily, and monthly totals are printed Ending Date 29 29 29 29 29 29 29 29 29 29 29 29 as reported by the ASOS site.

Ending Time (Hour/Min) 2101 2102 2104 2102 2104 2102 2102 2104 2122 2138 2138 2250 Date and time are not entered for TRACE amounts.

PAGE 2 NOAA, National Climatic Data Center

REFERENCE NOTES & WASHINGTON DC, DC SUNSHINE CLOUDINESS VISIBILITY (OKTAS) (MILES)

SUPPLEMENTAL SUMMARIES NOVEMBER 2005 SR-SS MN-MN

• = Extreme for the month (last occurence if Ceilometer (30-second) data are used to derive more than one) cloudiness at or below 12,000 feet. This cloudiness . W_-I09 LU L

W

-- W T = Trace precipitation amount is the mean cloud cover.detected during sunrise to LdZ>

0-W(XOW a

+ = also occurs on earlier date sunset (SR-SS), or midnight to midnight aaO 110 t0 ) cc FG+ = Heavy fog, visibility .25 miles or less (MN-MN). 0l 10.00 10.00 BLANK entries denote missing or unreported 02 0.00 10.00 data Satellite data are used to derive cloudiness above 03 7.00 10.00 12,000 feet. Effective Cloud Amount is based on the 04 10.O0 10.00 05 5.O0 0.DO0 Resultant wind is the vector sum of the wind cloud cover and the transparency of the clouds speeds and directions divided by the number of within the satellite field of view (approx. 31x31 06 4.00 10.00 observations. miles). 07 9.00 10.00 08 6.00 10.00 09 3 .00 10.00 Wind direction is recorded in tens of degrees (2 Sky Condition is based on the sum (not to exceed 10 10.00 10.00 digits) clockwise from true north. '00' = calm, 8) of the sunrise to sunset cloud cover below and

'VR' = variable. above 12,000 feet. Both ceilometer and satellite 11 10.00 T0.00 data must be present to compute Sky Condition. 12 9.O0 10.00 13 10.00 10.00 Precipitation is for the 24-hour period ending at Clear = 0-2 oktas, Partly Cloudy = 3-6 oktas, 14 10.00 10.00 the time indicated in the column heading. Cloudy = 7-8 oktas. 15 5.00 10.00 Water Equivalent of snow on the ground is A Heating (Cooling) Degree Day is the difference 16 3.00 10.00 between the-.average daily temperature and 65 17 10.00 10.00 reported only when the depth is 2 or more 18 10.00 10.00 inches. degrees F The HDD season begins July 1, the CDD 19 10.00 10.00 season begins January 1. 20 9.00 10.00 NORMALS ARE FOR THE YEARS 1971-2000 21 2.50 10.00 Dew Point is the temperature to which the air must 22 4.00 10.00 WEATHER NOTATIONS be cooled to achieve 100% relative humidity. 23 .75 10.00 Wet Bulb is the temperature the air would have if 24 10.00 10.00 QUALIFIER WEATHER PHENOMENA cooled to saturation at constant pressure by 25 10.00 10.00 DESCRIPTOR PRECIPITATION OBSCURATION OTHER evaporation of water into it. 26 10.00 10.00 BC Patches DZ Drizzle BR Mist DS Duststorm 27 10.00 10.00 Snow Depth, Snowfall, and Sunshine data may 28 4.00 10.00 BL Blowing GR Hail DU Widespread FC Funnel Cloud Dust come from nearby sites that the National Weather 29 4.00 10.00 30 10.00 10.00 DR Low Drifting GS Small Hail and/or Snow Pellets FG Fog

+FC Tornado Waterspout Service deems, Climatologically, representative of FZ Freezing this site. MONTHLY AVGS 7.51 10.00 IC Ice Crystals FU Smoke PO Well-MI Shallow Developed PL Ice Pellets HZ Haze Dust/Sand ADDITIONAL NOTES: SUNSHINE (MINUTES)

PR Partial Whirls RA Rain PY Spray Total: Possible:

SH Shower(s)

SG Snow Grains SA Sand SO Squalls Percent Possible:

TS Thunderstorm SS Sandstorm NUMBER OF DAYS WITH:

SN Snow VA Volcanic Ash SKY CONDITION VC In the GL Glaze CLR PTLYCLDY CLOUDY MISSING Vicinity UP Unknown 30 Precipitation MINIMUM VISIBILITY (MILES)

<=0.25 <=3,0 >=7.0 0 4 19 Intensity (as indicated on pages 4 to 6):

= Heavy I ' = Moderate '-' = Light PAGE 3

WASHINGTON DC, DC OBSERVATIONS AT 3-HOURLY INTERVALS :NOVEMBER 2005 DCA WBAN # 13743 SATELLITE TEMPERATURE WIND PRESSURE . SATELLITE TEMPERATURE WIND PRESSURE zF (INCHES,HG) T p (INCHES,HG) cr: "- > 9< wu WEATHER W ' 11 >* CC, " . -j >=

cc (2 *

<2 i*- )u WEATHER =

mz, *

• Ou. o cr Q J~j-

-- 0 Z0 . M F-~ 5- H zo 65 - wCo0. " ( >u W, Wu w z co 0w w. 5; Co Hi -__ m 0_ LL _ _ _

0V 0 ~Bi wo OH- C U)

SUNRISE: 0636 NOV 01 SUNSET: 1708 SUNRISE: 0642 NOV 07 SUNSET: 1701 CLR NC 10.00 49 42 46 77 3 24 30.08 30.15 CLR NC 10.00 63 39 51 41 9 31 30.00 30.07 CLR NC 10.00 50 42 46 74 12 20 30.04 30.11 FEW NC 10.00 59 39 49 48 17 33 3.0.06 30.12 SCT NC 10.00 49 41 45 74 13 20 30.03 30.10 SCT NC 10.00 57 40 49 53 10 34 30.14 30.20 OVC 250 10.00 57 44 50 62 8 19 30.03 30.09 BEN 230 10.00 58 39 49 50 14 33 30.20 30.26 OVC 250 10.00 67 41 54 39 12 22 29.92 29.99 BEN 250 10.00 63 36 50 37 14 33 30.17 30.23 BKN 200 10.00 67 41 54 39 13 21 29.85 29.92 BEN 250 10.00 62 33 49 34 6 29 30.16 30.23 BKN 200 10.00 58 45 51 62 7 20 29.85 29.91 BEN 250 10.00 55 39 47 55 5 20 30.14 30.21 OVC 085 110.001 62 43 52 50 13 32 29.89 29.96 BEN 250 10.00 50 39 45 66 7 20 30.15 30.22 SUNRISE: 0637 NOV 02 SUNSET: 1707 SUNRISE: 0643 NOV 08 SUNSET: 1700 OVC 100 10.00 55 44 50 67 12 34 29.93 30.00 BEN 200 10.00 47 40 44 77 7 21 30.11 30.18 CLR NC 10.00 51 42 47 71 3 32 29.97 30.03 CLR NC 10.00 49 43 46 80 3 23 30.10 30.16 FEW NC 10.00 49 39 44 69 12 33 30.02 30.08 FEW NC 10'.00 46 41 44 83 5 25 30.09 30.15 FEW NC 10.00 56 38 47 51 15 34 30.07 30.14 BEN 230 10.00 56 45 50 67 7 18 30.08 30.14 FEW NC 10.00 60 34 48 38 15 32 30.06,30.13 OVC 200 10.00 62 46 54 56 8 20 30.02 30.09 FEW. NC 10.00 60 34 48 38 13 33 30.08 30.15 BEN 250 10.00 64 48 55 56 0 00 29.99 30.06 CLR NC 10.00 53 37 46 55 0 00 30.15 30.22 BEN 075 10.00 60 46 53 60 5 04 30.02 30.09 CLR NC 110.00, 48 39 44 71 5 24 30.19 30.26 OVC 060 6.00,-RA BR 57 53 55 87 5 09 30.05 30.12 SUNRISE: 0638 NOV 03 SUNSET: 1705 SUNRISE: 0644 NOV 09 SUNSET: 1659 CLR NC 10.00 43 38 41 82 6 22 30.-20 30:27 BEN 130 6.00 BR 55 52 53 90 3 02 30.04 30.11 CLR NC 9.00 41 38 40 89 7 23 30.19 30.26 CLR NC 6.00 BR 53 51 52 93 3 03 30.03 30.10 SCT NC 7.00 43 41 42 93 6 21 30.20 30.27 OVC 130 7.00 54 49 51 83 9 06 30.01 30.08 FEW NC 10.00 12 18 30.21 OVC 013 6.00 HZ 57 50 53 78 3 07 29.99 30.06 BKN 250 10 .00 64 39 52 40 16 21 30.12 30.19 OVC 110 4.00 BR 59 55 57 *87 6 19 29.86 29.93 BKN 250 10.00 67 39 53 36 13 21 30.06 30.13 OVC 250 9.00 63 56 59 78 10 20 29.77 29.84 BKN 250 10.00 58 42 50 56 9 21 30.06 30.13 1OVC 00 7.00 61 57 59 87 8 19 29.69 29.76 BKN 250 .10.00, 55 39 47 55 8 21 30.05 30.*12 OVC 100 10.00, 67 56 61 68 10 21 29.60 29.67 SUNRISE: 0639 NOV 04 SUNSET: 1704 SUNRISE: 0645 NOV 10 SUNSET: 1659 FEW NC 10 .00 50 39 45 66 8 21 30.02 30.09 OVC 150 10.00 68 54 60 61 12 23 29.56 29.62 CLR NC 10.00 49 39 44 69 6 22 30.00 30.07 OVC 130 10.00 -RA 64 33 49 32 20 34 29.64 29.71 SCT NC 10.00 47 39 43 74 5 22 29.99 30.06 SCT NC 10.00 55 30 44 39 22 32 29.73 29.80 BKN 250 10.00 56 41 49 57 7 20 30.00 30.06 OVC 065 10.00 53 28 42 38 20 31 29.82 29.89 OVC 250 10. 00 63 43 53 48 9 18 29.93 30.00 SCT NC 10.00 54 31 44 42 26 32 29.85 29.92 BKN 250 10.00 65 45 54 49 6 28 29.91 29.*98 BEN 070 10.00 51 26 41 38 18 30 29.90 29.97 BKN 250 10.00 57 49 53 75 9 20 29.92 29.99. SCT NC 10.00 48 24 39 39 17 33 29.98 30.05 BKN 250 110.001 59 47 53 64 9 20 29.94 30.01 SCT NC 10.00, 43 25 36 49 7 36 30.02 30.09 SUNRISE: 0640 NOV 05 SUNSET: 1703 SUNRISE: 0647 NOV 11 SUNSET: 1658 BEN 250 10.00 57 48 52 72 6 22 29.93 30.00 BKN 250 10.00 44 25 37 47 6 28 30.03 30.10 FEW NC 9.00 54 49 51 83 0 00 29.97 30.03 FEW NC 10.00 39 28 35 65 7 26 30.04 30.11 SCT NC 6. 00 BR 50 47 48 89 5 20 29.99 30.06 FEW NC 10.00 38 28 34 68 5 25 30.08 30.14 BEN 200 8.00 60 52 56 75 8 18 30-01-30.08 SCT NC 10.00 50 31 42 48 10 33 30.12 30.19 SCT NC 10.00 70 53 60 55 3 17 29.97 .30 .04 BKN .055 10.00 53 30 43 41 13 29 30.08 30.15 SCT NC 10.00 72 50 60 46 5 17 29.95 30.01 FEW NC 10.00 54 27 43 35 13 30 30.07 30.14 CLR NC 9.00 63 53 57 70 0 00 29.981 30.05 CLR NC 10.00 51 25 40 36 0 00 30.12 30.19 CLR NC Sl.O0BR 57 53 55 87 0 00 29..99-30.06 BEN 250 10.00, 45 30 39 56 5 25 30.15 30.22 SUNRISE: 0641 NOV 06 SUNSET: 1702 SUNRISE: 0648 NOV 12 SUNSET: 1657 CLR NC 5.00 BR 55 52 53 90 0 00 29:'97 30.03 BKN 250 10.00 41 33 38 74 5 26 30.18 30.24 SCT NC 5. 00 BR 54 52 53 93 3 22 29.95 30.01 CLR NC 10.00 39 33 37 79 3 25 30.20 30.27 SCT NC 5. 00 BR 54 51 52 90 5 21 29ý 97 3 0.03 FEW NC 9.00 38 31 35 76 3 25 30.25 30.31 CLR NC 6.S00 HZ 63 55 58 76 15 19 29.95 30.01 SCT NC' 10.00 49 40 45 71 5 16 30.28 30.35 BKN 120 10.00 75 54 63 48 18 21 29.84 29.91 SCT NC 10.00 59 32 47 36 12 19 30.22 30.29 SCT NC 10.00 73 54 62 51 16 19 29.7829.85 BEN 250 10.00 59 36 48 42 9 19 30.20 30.27 BKN 095 10.00 69 54 60 59 13 21 29.83 29.90 CLR NC 10.00 53 32 44 45 9 18 30.22 30.29 BEN 065 10.00 68 45 56 44 9 30 29.94 30.01 1122 I CLR NC 10.00 50 39 45 66 8 19 30.24 30.31

- I PUBLISHED BY: NCDC, ASHEVILLE, NC. PAGE 4

OBSERVATIONS AT 3-HOURLY INTERVALS WASHINGTON NOVEMBER 2005 DC, DCA DC WBAN # 13743 SATELLITE TEMPERATURE WIND PRESSURE SATELLITE TEMPERATURE WIND PRESSURE IF (INCHES,HG) zF ' p (INCHES,HG)

WEATHER WEATHER ZO Co -o ->

0

_r 0ý D c .r-wf z ~~O Lu 0o

-- tJJ

-- (n L :Djom o

CL uuW~

m~ I L ~ 0 uWW

_u HuJ 0, 6 >> W SUNRISE: 0649 NOV 13 SUNSET: 1656 SUNRISE: 0655 NOV 19 SUNSET 1652 FEW NC 10.00 48 39 44 71 8 18 30.23 30.30 CLR NC 10.00 33 22 29 64 3 23 30.29 30.36 FEW NC 10.00 48 35 42 61 13 19 .30.20 30.27 CLR NC 10.00 32 24 29 73 0 00 30.29 30.36 SCT NC 10.00 46 35 41 66 9 20 30.21 30.28 CLR NC 10.00 31 25 29 79 0 00 30.33 30.40 BKN 250 10.00 57 39 48 51 10 19 30.21 30.28 FEW NC 10.00 39 27 34 62 8 18 30.35 30.42 SCT NC 10.00 66 44 55 45 12 19 30.14 30.21 SCT NC 10.00 48 19 37 32 9 19 30.29 30.36 BKN 250 10.00 67 43 54 42 10 20 30.11 30.17 BKN 250 10.00 49 22 38 35 8 19 30.26 30.32 BKN 250 10.001 59 49 54 69 8 20 30.11 30.18 BKN 250 10.00 45 24 37 44 3 19 30.26 30.33 BKN 110 110.00 60 50 55 70 14 19 30.12 30.19 SCT NC 10.001 42 27 36 55 0 00 30.27 30.34 SUNRISE: 0650 NOV 14 SUNSET: 1655 SUNRISE: 0656 NOV 20 SUNSET : 1651 OVC 095 10.00 60 49 54 67 6 23 30.10 30.17 OVC 130 10.00 41 27 36 57 6 21 30.26 30.32 SCT NC 10.00 57 51 54 81 7 21 30.13 30.19 BKN 150 10.00 38 27 34 65 6 25 30.24 30.31 SCT NC 10.00 54 50 52 87 5 21 30.18 30.25 SCT NC 10.00 35 28 32 76 6 25 30.25 30.31 BKN 120 10.00 62 52 57 70 5 36 30.25 30.32 FEW NC 10.00 45 30 39 56 3 16 30.25 30.32 BKN 120 10.00 64 37 51 37 7 32 30.25 30.32 FEW NC 10.00 54 31 44 42 6 17 30.18 30.25 OVC 100 10. 00 63 37 50 38 6 36 30.24 30.31 CLR NC 10.00 57 29 45 34 8 21 30.13 30.20 BKN 100 10.00 58 41 50 54 7 07 30.25 30.32 FEW NC 10.00 51 35 44 54 5 20 30.13 30.19 OVC 034 .10.00, 58 38 48 48 7 07 30.26 30.33 BKN 120 9.00 45 34 40 66 5 24 30.10 30.17 SUNRISE: 0651 NOV 15 SUNSET: 1654 SUNRISE: 0658 NOV 21 SUNSET : 1651 OVC 043 10.00 -PA 57 38 48 49 5 18 30.21 30.28 BKN 120 10.00 47 36 42 66 3 25 30.05 30.11 BKN 060 10.00 56 46 51 70 5 36 30.17 30.24 BEN 100 10.00 45 38 42 77 5 22 29.98 30.05 BKN 140 10.00 55 48 51 77 0 00 30.18 30.25 OVC 120 9.00 46 41 44 83 3 02 29.94 30.01 OVC 011I 5. 00 HZ 60 55 57 84 10 19 30.17 30.24 OVC 110 8.00 49 42 77 29.98 46 0 00 29.91 OVC 026 8.00 66 59 62 78 13 24 30.12 30.19 OVC. 036 6.00 -RA 49 44 47 83 8 20 29.83 29.90 BKN 047 10.00 67 59 62 76 6 19 30.06 30.13 OVC 045 2.50 -RA BR 48 45 47 89 8 03 29.69 29.75 OVC 039 10.00 67 59 62 76 10 19 30.04 30.11 OVC 006 3.00 -RA BR 47 44 46 90 10 03 29.58 29.64 SCT NC 110.00, 65 59 61 81 13 19 30.03 30.09 OVC 008 3.00 -RA BR 47 45 46 93 14 36 29.42 29.49 SUNRISE: 0652 NOV 16 SUNSET: 1654 SUNRISE: 0659 NOV 22 SUNSET : 1650 BKN 019 10.00 65 60 62 84 14 20 29.99 30.06 OVC 012 6.00 -RA BR 47 44 46 90 15 36 29.31 29.38 BKN 150 10. 00 62 59 60 90 13 19 29:.98 30.04 OVC 050 7.00 -RA 45 41 43 86 17 36 29.22 29.28 OVC 021 10.00 66 60 62 81 14 19 29.93 29.99 OVC 055 10.00 -RA 43 38 41 82 18 33 29.18 29.24 OVC 028 10.00 68 60 63 76 16 20 29.90 29.97 OVC 030 4.00 -RA 43 38 41 82 16 30 29.24 29.31 OVC 090 10.00 75 59 65 58 21 21 29.80 29.87 BEN 130 10.00 49 34 42 57 30 32 29.22 29.29 OVC 040 10.00 -RA 59 55 57 87 22 34 29.82 29.88 BEN 070 10.00 48 25 39 41 18 32 29.31 29.38 OVC 041 3. 00 +RA 49 44 47 83 15 35 29.94 30.00 BEN ovc 150 10.00 43 21 35 42 14 32 29.42 29.48 OVC 060 110.00, 47 39. 43. 74 8.34 30.02 30.09 BEN 250 10.00 40 20 33 45 16 31 29.48 29.55 SUNRISE: 0653 NOV 17 SUNSET: 1653 SUNRISE: 0660 NOV 23 SUNSET : 1650 SCT NC 10.00 44 29 38 55 8 33 30.08 30.14 SCT NC 10.00 36 16 29 44 18 32 29.54 29.60 CLR NC 10.00 39 24 33 55 10 34 30.11 30.18 CLR NC 10.00 33 10 26 38 20 32 29.61 29.67 SCT NC 10.00 37 21 31 52 7 30 30.17 30.23 FEW NC 10.00 31 9 24 40 8 29 29.66 29.72 SCT NC 10.00 40 22 33 49 12 34 30.22 30.29 BEN 250 10.00 35 13 28 40 17 29 29.70 29.76 FEW NC 10.00 42 19 34 40 15 32 30.21 30.28 OVC 250 10.00 39 14 31 36 12 28 29.63 29.69 FEW NC 10.00 42 16 33 35 15 31 30.22 30.29 BEN 150 10.00 39 15 31 38 10 22 29.58 29.65 CLR NC 10.00 36 15 29 42 20 34 30.29 30.36 OVC 032 8.00 -SN 36 24 32 62 13 23 29.55 29.62 CLR NC 10.00, 33 14 27 45 15 33 30.33 30.40 006 0.75 -SN BR 33 31 32 92 14 18 29.48 29.54 SUNRISE: 0654 NOV 18 SUNSET: 1652 OVC SUNRISE: 0701 NOV 24 SUNSET : 1649 CLR NC 10.00 30 14 25 51 13 32 30.34 30.41 090 10.00 35 32 34 89 16 21 29.33 29.40 CLR NC 10 .00 29 14 24 54 13 33 30.34 30.41 SCT NC 10 .00 36 31 34 82 13 23 29.28 29.34 CLR NC 10.00 28 14 24 56 12 34 30.38 30.44 OVC 055 10.00 38 31 35 76 10 23 29.31 29.38 CLR NC 10.00 34 16 28 48 10 36 30.39 30.45 OVC 065 10.00 41 33 38 74 8 18 29.32 29.39 FEW NC 10.00 39 16 31 39 5 28 30.31 30.38 OVC 075 10.00 48 37 43 66 8 23 29.26 29.33 FEW NC 10.00 40 12 31 32 8 30 30.27 30.34 BEN 080 10.00 51 28 41 41 20 33 29.38 29.45 FEW NC 10.00 38 14 30 37 5 26 30.28 30.35 FEW NC 10.00 32 14 26 47 30 33 29.62 29.69 CLR INC 10.001 34 20 29 56 5124130.28 30.35 BKN 10.001 27 2 21 34 16 35129.84 29.91 u075 PUBLISHED BY: NCDC, ASHEVILLE, NC. PAGE 5

WASHINGTON DC, DC OBSERVATIONS AT 3-HOURLY INTERVALS NOVEMBER 2005 DCA WBAN # 13743 SATELLITEI TEMPERATURE WIND PRESSURE SATELLITE.TEPRUE WIDRSUE F p(INCHES,HG)

Cl) 0 h- ETE F (INCHES,HG)

WEAHE

~~-~~z< _z WEAWATERTHER 0 0 W E C H U f-DU SUNRISE: 0702 NOV 25 SUNSET: 1649 SUNRISE: NOV 31 S JNS El SCT NC 10.00 24 -1 18 33 16 33 29.95 30.02 BKN 250 10.00 23 -4 17 30 12 29 30.04 30.11 BKN 250 10.00 22 -3 16 33 8 28 30.14 30.21 BKN 250 10.00 28 1 21 31 14 31 30.24 30.30 SCT NC 10.00 33 4 25 29 13 31 30.23 30.30 FEW NC 10.00 34 4 26 28 6 31 30.23 30.30 CLR NC 10.00 30 10 24 43 5 22 30.29 30.35 FEW NC S3 NOV 30 10 24 43 0 00 30.31 30.37 I i I r r SUNRISE: 070 26 SUNSET: 1648 FEW NC 10.00 28 15 24 58 0 00 30.30 30.36 3-HOURLY OBSERVATION NOTES OVC 200 10.00 30 11 24 45 5 14 30.29 30.36 Sky Cover is the amount of the sky obscured. CLR or SKC = 0, FEW = 1/8-2/8, BKN 200 10.00 29 18 25 64 3 23 30.31 30.38 SCT = 3/8-4/8, BKN = 5/8-7/8, OVC = 8/8, VV = Vertical Visibilty = 8/8.

SCT NC 10.00 37 20 31 50 14 18 30.31 30.38 Ceiling is reported in hundreds of feet above ground level for clouds at or below 12,000 feet.

FEW NC 10.00 44 20 35 38 10 18 30.23 30.30 NC= No ceiling detected.

CLR NC 10.00 45 23 37 42 10 19 30.19 30.26 & = Original observation contained additional weather elements.

SCT NC 10.00 41 22 34 47 0 00 30.22 30.29 See page 3 for additional notes.

OVC 100 110.00l 40 26 35 58 6 20 30.22 30.29 SUNRISE: 070 4 NOV 27 SUNSET: 1648 BKN 095 CLR NC 10.00 10.00 38 38 29 26 34 33 70 62 6

0 19 00 30.22 30.22 30.29 30.29

SUMMARY

BY HOUR SCT NC 10.00 35 29 33 78 0 00 30.26 30.32 AVERAGES RESULTAN7 OVC 250 10.00 42 30 37 62 3 17 30.28 30.35 PRESSURE WIND

• I t' (MPH)

OVC 250 10.00 53 27 42 37 7 21 30.22 30.29 (INCHES,HG)

<- oo OVC 034 10.00 52 28 42 40 3 24 30.21 30.28 OVC 026 10.00 49 38 44 66 8 06 30.21 30.27 20j 0 0 - CL BKN 110 110.001 49 39 44 69 6 04 30.19 30.26 iow o oa H CE 0 Li H-J W L LuLi SUNRISE: 070 5 NOV 28 BKN 049 10.00- DZ 47 42 45 83 8 06 30.20 30.26 OVC 090 9.00 47 43 45 86 3 04 30.18 30.24 01 47 37 43 68 30.01 30.08 9.57 8 3 26 OVC 049 5.00- DZ BR 47 45 46 93 8 05 30.17 30.23 02 47 37 43 69 30.01 30.08 9.60 7 3 29 OVC 070 9.00 56 53 54 90 0 00 30.14 30.21 03 46 36 42 69 30.01 30.08 9.63 7 3 28 OVC 035 10.00 64 56 59 75 13 20 30.08 30.15 04 46 36 42 70 30.01 30.08 9.50 8 3 28 OVC 039 10.00 65 55 59 70 13 15 30.03 30.10 05 45 35 41 71 30.01 30.08 9.43 8 3 29 OVC 100 10.00 62 55 58 78 12 16 30.04 30.11 06 45 35 41 71 30.02 30.09 9.37 8 4 29 OVC 033 1 10.001 63 55 58 76 10 18130.04 30.11 07 44 35 41 72 30.03 30.10 9.27 8 3 27 SUNRISE: 070 6 NOV 29 SUNSET: 1647 08 46 36 42 69 30.04 30.11 9.07 8 3 27 OVC 050 10.00 63 55 58 76 20 18 30.01 30.08 09 48 37 44 66 30.05 30.12 9.00 9 3 26 BKN 120 10.00 63 54 58 73 17 17 29.97 30.03 10 51 37 45 62 30.05 30.11 9.20 10 3 25 OVC 065 10.00 64 56 59 75 21 17 29.94 30.01 11 53 37 46 57 30.04 30.11 9.47 11 5 24 OVC 100 10.00 65 55 59 70 17 16 29.90 29.97 12 55 37 47 53 30.01 30.08 9.50 11 5 25 OVC 050 10.00 67 57 61 71 23 17 29.79 "29-,:86 13 57 37 48 50 29.99 30.06 9.60 12 6 25 OVC 036 10.00 66 58 61 75 15 17 29.'73 29.80 14 58 37 48 29.97 30.04 9.60 11 5 24 OVC 035 10.00 66 58 61 75 30 19 29:71 29.78 15 58 37 48 47 29.97 30.04 9.68 11 5 24 OVC 021 1 10.001--RA 63 62 62 97 10 21,29.75,29.82 16 57 36 47 48 29.97 30.04 9.72 11 4 27 SUNRISE: 070 7 NOV 30 SUNSET: 1647 17 54 35 46 51 29.98 30.05 9.70 11 4 27 OVC 036 10.00 53 50 51 89 8 36 29.81 29.88 18 53 36 46 55 29.99 30.06 9.50 9 2 27 FEW NC 10.00 48 47 47 96 7 35 29.86 29.93 19 51 37 45 59 30.00 30.06 9.33 10 2 26 BKN 048 10.00 48 41 45 77 14 34 29.90 29.96 20 50 37 45 60 30.00 30.06 9.23 9 3 26 SCT NC' 10.00 50 37 44 61 17 35 29.95 30.02 21 50 37 44 63 30.01 30.08 9.21 9 3 26 22 49 37 44 64 30.01 30.08 BKN 050 10.00 51 36 44 56 13 35 29.93 29.99 9.16 9 2 26 FEW NC 10.00 51 35 44 54 17 33 29.94 30.01 23 48 36 43 65 30.01 30.08 9.50 9 3 26 CLR NC 10.00 45 30 39 56 18 36 29.9S 30.06 24 47 36 42 66 30.01 30.08 9.67 9 2 28 CLR NC I 110.001 40 29 36 65 13 36 30.03 30.10 PUBLISHED BY: NCDC, ASHEVILLE, NC, PAGE 6

Published By: National Climatic Data Center WASHINGTON DC, DC NOVEMBER TEMPERATURES 90 32.2 80 4- 26.7 Cu 70 21.1 U 60 15.6 Co Cu 50 Aý /A\ 10.0 W Cu Ar Cu 0 (--x X, X 4.4 f4 40 X X 30 -1.1 20 -6.7 IV 10 -12 .2 1957 1967 1977 1987 1997

+ Extreme Max. 0 Mean Max. A Mean X Mean Min.

• Extreme Min.

Long-Term (1957-2005) Mean: 49.4 1971-2000 Normal: 48.7 WASHINGTON DC, DC NOVEMBER PRECIPITATION 7.0 177.8 6.5 165.1 6.0 152 .4 5.5 139.7 5.0 127.0 CO 4.5 114 .3 Cu Cu CO Cu 4.0 101.6 H Cu Cu 3.5 88.9 C-H 76.2 2.5 63 .5 H 2.0 50.8 1.5 38.1 1.0 25.4 0.5 12 .7 0.0 0 1957 1967 19777 1987 1997 Long-Term (1957-2005) Mean Monthly Total: 2.96 1971-2000 Normal: 3.03 PAGE 7

NOVEMBER 2005 0 1<

WASHINGTON DC, DC co LOCAL CLIMATOLOGICAL DATA "

NOAA, National Climatic Data Center - w 0

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I certify that this is an official publication of the National Oceanic L) and Atmospheric Administration (NOAA). It is compiled using information from weather observing sites operated by NOAA -

National Weather Service / Department Of Transportation-Federal .

Aviation Administration and received at the National Climatic Data Center (NCDC), Asheville, North Carolina28801.

oQ a

03 C,

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v a DECEMBER 2005 WASHINGTON DC, DC LOCAL CLIMATOLOGICAL DATA RONALD REAGANWASH NTLAPT (DCA)

NOAA, National Climatic Data Center . -TL '38"51'N LOng:77'02'W E3ev(Ground): 1 Feet NOAAClmati Naiona Daa CeterTimoZone: EASTERN WBAN: 13743 ISSN 0:0198-1188 1)MPERArUPB F "DEG DAYS""

BASE65 . .o,SUO,"CE PREKPITATG r(sw PWESSURE O4Fo4.F]WIND. SPEED = MPH Dn = IENSO .

EGREES

.. .. . .-.... __.- _. A*XJMuU, S6700 2-1300 2400 2400 91 s-s7 -2I Z p LST LST LST I.2T L90 5.a on 5 wU, us Li 33 _a 33T3 217 L~ H 0W 6U w T 5 in Q "wIlu. j 7 M S40 V9 a9 01 45 37 39 -5 28 35 26 0 RA 0 0.0 T 29.,6 29.93 6.4 33 8.4 17 32 16 27 0 02 42 29 36 -7 18 30 29 0

3 - 01 0 0.0 0.00 29.84 29.91 12.1 30 13.C 37 31 25 31 02 03 38 26 32 -11 11 26 33 0 RA SN PL 0 0.1 0.03 30.09 30.16 5.5 28 86.t 22 30 17 30 03 04 51 35 43 0 35 39 22 0 PA V1 liP0 T 0.21 29.8S 2.91 5.0 32 15 30 33 22 3S 04 05 40 30 35 .7 27 32 30 0 SNP A PZFG RR 0 1.4 0.15 30.06 30.13 9.0 04 10.4 22 01 17 36 05 06 37 29 33 -9 22 29 32 0 54 BR 3 0.1 1.5 0.02 30.11 30.17 7,81 32 8. 25 32 22 33 06 07 37 26 32 9 9 15 26 33 0 1 0.0 0.00 30.43 30.50 11.2 33 11. 26 30 212 31 07 08 33 .3 28 is 213

.4 37 0 S" 0 T T 30.58 30.65 1.1 01 7.,1 17 33 25 36 09 09 39 27 33 -0 23 30 32 0 RA PZRA SH PL FZFG BR 1 1.6 0.55 30.12 30.18 8.8 32 11.2 33 3 25 32 09 10 40 23 32 -9 23 29 33 0 T 0.0 0.00 29.97 30.04 6.7 20 S.. 20 19 17 19 10 13 48 27 38 -3 27 33 27 0 RA 0 0.0 T 29.63 29.69 5.4 24 6. 22 32 18 29 11 12 40 28 34 -6 20 30 31 0 0 0.0 0.00 29.861 29.87 10.1 32 10. 23 34 18 01 12 13 14 32 26 22 19*

27 23' 13

-17 10 10 221 20 38 42 0

0 0

10 0.0 0.0 0.00 30,22 30.20 11.1 0.00 30.40 30,47 6.3 36 11J. 23 05 6-r 14 01 04 20 13 01 13 01 14 -0 00 is 44 26 35 .5 26 30 30 0 FA ZRA PF2 SI P1. BR 0 0.2 0.93 30.05 30.11 7.0 058. C17 07 13 08 1s 16 48 35 42 3 30 36 23 0 Pi BR 0 0.0 0.30 29.87 29.94 8.3 30 9. 240 33 18 30 16 17 46 31 39 0 26 33 26 0 0 0.0 0.00 30.39 30.46 13.0 27 4.1 17 33 14 33 17 IS 46 32 392 0 26 33 26 .I0 . 0 0.0 0.00 30.4D 30.47 2.4 04 3.F 12 36 10 36 18 19 20 41 39 25 24 33 32

-6 22 5

29 24 32 33 0

0 00,0 0 0.0 0.00 30.22 30.29 0.00 30.16 30.23 5.6 7.9 32ý S.!

30 8.E 23 30 32 29 26 17 32 19 32 20 00 21 38 25 32 -6 14 26 33 0 0 0.0 0.00 30.17 10,24 5.3 31 7-. 23 31 16 31 21 22 41 27 34 - 3 29 31 0 0 0.0 0.00 30.15 30.24 5.7 203631 91 92 23 52 26 39 1 24 33 26 0 .0 0.0 0.00 29.94 30.01 6.0 -19 6.7, 15 19 15 19 23 24 58' 33 46 a 26 36 119 0 1 0 0.0 0.00 29.86 29.92 2.1 19 2.f 9 38 9 17 24 2$ 44 30 37 0 36 37 29 0 RA BR 0 0.0 0.17 29.59 29.65 2.5 02 3.t 33 31 23 31 25 26 4. 38 43 6 34 39 22 0 RA Ozz XTPO RR 0' 0.0 0.03 29.49 29.55 9.6 29 11.6 36 31 2a' 32 26 27 47 36 42 5 20. 36 23 0 0 0.0 0.00 2.,0: 295.93 7.2 30 8.E 30 32 21 33 27 26 52 33 43 6 34 39 22 .0 0 0.0 0.00 29-70 29.77 3.8 19 4.C 13 24 10 2.)528 29, 51 43 47' 30 42 4S 18 0 RA DZ TO. HIMO 1R 0 0.0 0.34 29.42 29.48 6.3 301 8..  % 30 21 30 29 30 48. 38 43 7 33 39 2-2 0 0 0.0 0.00 29.78 219. 84 7.8 31  :. 29 31 22 31 30 31 48 38 41 7 136 39 22 10 StA BR 01 0.01 0.01 29.75 29.81 0.4 05 4. 13 311 10 20131

- ý'2 2916 36.4 EMl 24.1 31.9 28,41 0.0 < MONTHLYAVERAGEýS =T&TAL'S > ___ 4.8 3,341 29.99~ 30.061 3,J31f819 = <-1VM4m14YA1Vt1AES 1 .2.41 ~-1gg <--- -- - - - ---- EPARTUREFROP11NORMAL-- I.--> 02 SUNSHINECLOUD,&VJSIBILITYTABLES ON PAGE 3 DEGREE OEGREEDAYS DAYS ~~~GREATEST 24-KR S NO14F-.AL: 1.23 D,:15,16 SEALEVELPPESSo. E DATEaO5 TIE 1,.Itg IMM3.1 MO6lTHLY SEASON TODATE OREATESTSNOWDEPTH: DATE.: 06 1 MZUUM 29.38 29 3251 TOTAL DEPARTURE T0TAL DEPARTURE 8al TTEAflllG: 106 1504 21 NUMBEROF , M,.NIMUMTELPP..-32:21 0MAXWUMTEAP--90 PREC4PITATHON >001tC£4: 11 DATY 8t50H1 .MAXU4UM IEMP1;32 : 2 RUNDAAMMEMP;0 : a PECIPITATrO;4 0.10 LIH I7 GOOLING: 0 0 1705 174 ... DAYS WITH THUNDERST0M  : 0 HEAVYFOG  : 1 SNOWFALL ;! 1.0 IFXH I3

HOURLY PRECIPITATION (WATER EQUIVALENT IN INCHES)

FO OR(ST NIGA I WASHINGTON DC, DC DECEMBER-2005 DCA WBAN # 13743 Z-400

,FOR HOUR LST) ENDING AT FOR HOUR (LST) ENDING AT " _

1 2 3 4 5 6 7 8 9 10 11 12 11i_41 15 17 18 19 20 21 22 23 24 c i, _

01 01  : T T T 01 T 02 02 02 0,00 03 03 T 0.03 03 003 04 0,02 0.01 0,03 0,06 0. 0.01 T 04 04 0.21 05 05 T 0,02 0.03 0.05 T T 0.01 0.01 0.09 0,02 05 0.15 06 T 0.01 0.01 T T 06 06 0.02 07 07 07 0,00 08 08 T08 T 09 T 0.02 0.06 012 1.30 0.16 0.10 T 09 09 0.55 10 10 10 0.00 11 11 .T 11 T 12 12 12 0,00 13 13 13 0,00 14 14 14 0.00 15 T T 0.02 15 0.02 0-01 004 0, 0.04 0.02 0,06 0.14 0.12 0.13 0.10 0.09 15 0.93 16 015 0.1. T 16 16 0.30 17 17 17 0.00 is 18 18 000 19 19 19 0.00 20 20 20 0.00 21 21 21 0.00 22 22 22 0.00 23 23 23 0.00 24 24 24 0.00 25 0,03 024 25 0,09 003 0.05 0.2e 0.05 25 0.77 26 T 0.01 0,02 T T T 26 TT T26 0.03 27 27 27 0.00, 28 28 28 0.00 29 T 0,07 0.04 0.02 0.0 T 0.04 0,10 0.03002 29 T T T T 29 0.34 3030 30 0.00 31 T 001 31 131 0,01 MAXIMUM SHORT DURATION PRECIPITATION (See Note)

Note: The sum of Tho houly tot.ls IS gen when TimePeriod(nuWas) 5 10 15 20 30 45 60 80' i00 120 150 180 it diifers from th0 daily total. NVIS does no! edit ASOS howty values bit may edit daty and monthty pre cpilation (Inches) .09 .13 .1i .18 .24 .27 M,. .33 .37 .42 .46 lOtals. Hourly. dady, and mOnthty totWas are ptinled EndingDate 25 25 25 25 25 25 2 .25 25 25 Is 15 as reported by the ASOS 5ite.

Ending TI e(Ho 1- 1_ 1 15361 1538 15421 552 W6031 131 -1610 , M214 224t 2...

Date and tlino a'u not ontored loif TRACE aamurits.

NOAA, National Climatic Data Center PAGE 2

REFERENCE NOTES & WASHINGTON DC, DC SUPPLEMENTAL SUMMARIES DECEMBER 2005

• = Extreme for the month (last occurence if Ceilometer (30-second) data are used to derive tg cloudiness at or below 12,000 feet. This cloudiness tc1- s L5 4Oi.QO ,O more than one)

T = Trace precipitation amount is the mean cloud cover detected during sunrise to

+ = also occurs on earlier date sunset (SR-SS), or midnight to midnight FG+ = Heavy fog, visibility .25 miles or less (MN- MN).

BLANK entries denote missing or unreported i02 10.00 10.00 data Satellite data are used to derive cloudiness above 03 8.00 20.00 04* 6.00 10.00 12,000 feet. Effective Cloud Amou nt is based on the D5 .50 10.00 Resultant wind is the vector sum of the wind cloud cover and the transparency of the clouds speeds and directions divided by the number of within the satellite field oa view (approx. 31x31 06 1.50 10.00 observations. miles). 0"7 1!0 ý00 1*0.00 00 110.00 10.00 09 .50 10.0oD Wind direction is recorded in tens of degrees (2 Sky Condition is based on the sum (not to exceed 10 8.00 10.O0 digits) clockwise from true north. '00' = calm, 8) of the sunrise to sunset cloud cover below and

'VR' = variable. above 12,000 feet, Both ceilometer and satellite 11 9.00 10.00 12 10.00 10.00 data must be present to compute Sky Condition.

13 10.00 10.00 Precipitation is for the 24-hour period ending at Clear = 0-2 okras, Partly Cloudy = 3-6 oklas, 14 lO.O0 10,00 the time indicated in the column heading. Cloudy = 7-8 oktas. 15.'75 10.00 16 3,_00 10.00 Water Equivalent of snow on the ground is A Heating (Cooling) Degree Day is the difference 1"1 1.0.00 10.00 reported only when the depth is 2 or more between the average daily temperature and 65 is 8.00 10.,00 inches. degrees F. The HDD season begins July 1, the CDD 19 7.00 1O.OO 20 10.00 10.00 season begins January 1.

NORMALS ARE FOR THE YEARS 1971-2000 21 10.00 10.00 Dew Point is the temperature to which the air must 22 10.O0 10.00 be cooled to achieve 100% relative humidity. 23 l0.O 10.00 WEATHER NOTATIONS 24 9.00 10.00 Wet Bulb is the temperature the air would have if 25 1.00 10.00 OUAUFIER WEATHER PHENOMENA cooled to saturation at constant pressure by DCSCVVToq PcPI~tAM4O 001OJRAnMHa WO~h evaporation of water into it. 26 1.50 10.00 27 10.00 10.00 BC PA1Xe OZ D'rz* , l "U 280 7.00 10.00 Snow Depth, Snowfall, and Sunshine data may 29 .75 10.00 come from nearby sites that the National Weather 30 1.00 10.00 0A Lc* &VVV' G5 Srn2 MARW w*b DAM -re Ta Service deems Climatologically representative of 311 5.00 10.00 fZ Frerret P this site. 6 37.02 10.00 MluSe,1ow SUNS HIN E(MINUTE S)

I PLkAFl. i WZRue ADDITIONAL NOTES:

FA Rim Fry .'xr Total: possime:

Ptrttnt Possib~a, SH Sh*Vk Os'o&V artan" SASw s TS Thd'durlm W1U0MV si5S $ý NUMBER OF DAYS WITH:

VC hne U m 41 1w. C~q MlYcLue kotUr¢ Wt-_*.*,4

<1- -30 -7.00

-0 010012 0 Intensity (as iV36cated on paIgeS 4 to 6):

4'- Hoavy = Moderate - Ught PAGE3

O WASHINGTON DC, DC OBSERVATIONS AT 3-HOURLY INTERVALS - ."n 1AAMR',.

• • LnflIU -M 27 1'2")A'l Uthf*1&

SATELLIE IEMATUURE TO WIND PRESSURE SATELUE1E 7UPERATUMI VA 4D PRESSURE r-C-WEATHER a wEATHE 0; W._z 1

_____ WE 2 ~ t. t P SUFRISE: 0708 DEC 01 SUNSET: 1547 SU1RISEt 0713 DEC 07 SUN2S ET: 1646 CLR INC 10.00 37 33 67 14 36 30.03 30.09 10.0 o 30 16 26 56 12 33 30.27 30.33 35 32 70 1D 34 30.01 30.07 10.00o CLR ?;C 10.00 OVC 060 27 17 24 66 6 34 30.30 30.36 BY-o 250 10.00 34 31 73 12 34 29.99 30.06 ScT NC 10.00 31 17 26 56 13 31 30.36 30.43 OVC 250 39 35 65 12 01 29.96 30.02 FEW ?;C 10. 00 34 16 26 40 16 31 30.42 30.49 OVC 050 10.00 42 37 60 3 10 29.81 29.68 SCT NC' iO. 00 36 17 30 46 18 31 30.40 30.47 OVC 040 10.0 43 37 58 6 28 29.72 29.79 FEW *NC 10.0c 36 14 29 40 15 33 30.44 30.50 OVC 038 42 37 60 9 20 29.78 29,80 RVL'NC 10.00 32 14 26 47 13 34 30,52 30.59 OVC 075 10.00 40 37 73 9 31 29.73 290.0 scr 11C 10.0 29 13 24 51 10 35 30.59 30.46 SU1RISKM 0709 Pvc 02 IW.rTs 1647 SUNRISEl 0714 DEC 08 SU'fUsTl 1646 FEW NC 10,00 38 34 68 7 30 29.72 29.79 SCT INC I0.00 27 13 23 55 10 35 30.64 30.70 FEW  ?;C 10.00 36 3) 70 6 23 29.71 2 9.78B OVC 250 10.00 25 12 21 58 12 33 30.66 30.72

)]JKU 065 10.00 37 33 67 10 28 29.76 29.83 Sr; 250 10.00 .3 12 20 G3 7 34 30.68 30.75 focr He 10.00 41 33 41 1S 30 29.80 29.87 M-1 250 10.00 28 14 24 56 8 04 30.70 30.76 BY-It 070 10. 00 39 31 36 18 32 29.81 29.88 JI2M 250 10.00 31 14 26 49 3 VR 30.63 30.69 F1EW NC 1i0.0 36 28 34 23 32 29.8B 29594 B)21 250 10.00 32 14 26 47 5 22 30.53 30.60 10.00 32 26 41 IS 29 29.96 30.02 OVC 120 10.00 31 17 26 56 12 16 30.52 30.59 Ii10].0 CLR NC 30 24 45 16 30 30.01130.07 ovC 085 i0.00 30 21 27 69 7 16 30.40 30,47 SMMIft9K. 0710 DEC 03 M49ET: 1646 stTrRIS*E 0715 DEC 09 SUNSET: 1646 CLR 11C 10.0o 28 23 49 7 24 30.05130.11 OVC 049 'j.a0 -!;1 31 21 28 67 5 09 30.25 30.32 10.00 27 22 51 S 29 30.09130.1S oVc 009 0.75 -*,#PL BR 28 26 27 92 18 33 30.18 30,25 scr tic SCT tic 10.00 27 22 S1 13 31 30.15j30622 O1VC 006 3.00 -FZRASt; OR 32 31 32 96 9 31 30.04 30.11 R K4 150 10.01 31 24 36 12 32 30.19130.25 10.00 36 I31 34 82 £ VR 30.06 30.13 8121 250 QVC 110]

10.0cO 37 20 27 8 29 30.11130.17 FSW IlC 10.00 39 37 I2120! 33 48 20 32 30.05 30.11 10.01 36 28 32 9 25 30.09130.15 FEW tiC 10.00 31 50 12 34 30.10 30.17 oMC 095 36 29 40 5 21 30.06 30.13 CLR I4C 10.00 34 19 10.00 CLR ti:c 30 18s 29 54 9 29 30.16 30.22 OVC 085 35 20 "42 5 18 30.01130.08 10.001 DEC 10 26 611 8 31 30.19 30.26 SMrUIZZ 9 0711 04 MfS8ETS 1646 SURISE; 0716 30UM1SK? 1646 OVC 0481 10.00 -*A 36 34 79 12 1 29.90 29.96 CL9 ..lC 10.00 28 17 25 63 10 32 20.16 30.23 OVC 0481 6.00 -RA BR 37 36 93 10 1a 29.78 29.85. C'LR 14C 10.00 26 17 23 69 5 36 30.14 30.21 OVC O008 10.00 39 39 96 7 21 29.69 29.76 S CT 14C 10.00 24 18 22 77 5 24 30.15 30.21 U)311013 10.00 44 42 83 10 24 29.72 29.78 b M 250 10.00 30 23 28 75 9 20 30.12 30.19 SCT uC 0.00 49 46 77 10 34 29.74 29.81 10.00 37 25 33 62 16 19 29.96 30.02 10.00 47 42 63 14 34 29.86 29.93 Fed tic 1o.00 40 26 35 58 13 19 29.85 29.92 FE14 lie 10.00 41 37 67 14 34 29.99 30,05 10.00 35 27 32 72 8 20 29.80 29.87 OVC 120. 10.00 41 361 62 14 34 30,04 30.11 CLR crd tic F121 NIC 250 10.00 34 28 32 79 9 21 29.73 29,80 SUNRISE: 0712 DEC 05 =SrET: 1646 SUNRISE: 0717 DEC 11 SULSET: 1647 QvC 110 10.0(0 39 35 651 9 36 30.08 30.1'4 01 13M 200 10.00 3S 26 32 70 3 30 29.67 29.73 Fi? NC OvC 120 10.00 36 33 57 9 36 30.11 30.17 04 SC-A NC 10.00 30 27 29 8a 5 26 29.64 29.70 0VC 110 10.00 3e 32 551 9 03 30.13 30.19 07 9.00 28 25 27 88a 7 211 29.62 29.68 OVC 120 10.0( 3e 34 G8 13 07 30.14 30.21 10 B112 120 10.00 37 27 33 67 8 22 29.62 29.68 OVC 075 10.00 37 32 54 10 09 30.07 30.13 13. 10.00 43 29 36 62 7 17 29.58 29.64 O'JC 015 1.0 -SNi BR 31 31 96 10 06 30.06 30.12 16 10,O01 44 2(

10.00 37 49 10 30 29.61 29.68 M'c M',c ox6 016 2.0Sl BR 31 31 96 10 03 30.01 30.08 19 OVC 06 0 40 30 36 6R 3 20 29.65 29.72 O'vC 010. 3.00-Sn BR 31 30 92 141 01 29.96 30.03 22 OV 100 10.00, 39 27 34 6( 1 6 25 29.66 29.73 "UNRrSZE:0712 DEC 06 IllS49T 1646 SUNRmIG: 0717 DEC 12 SU'S1,5N 1647 0% C 012 3.00 -SIN BR 301 30 96 12 34 29.94 30.00 01 EM- 10701 10.001 39 27 34 6*2 9 30 29.69 29.75 OM.C 100 500$ -St1BR 301 29 92 10 34 29.98 30,05 04 BY,11 i130 10.00 3G 19 30 50 9 31 29.68 29.75 0 K 03$ 9.00 32 29 75 9 33 30.03130.09 07 BM* 1130I 10.00 35 20 30 54 13 31 29.75 29.82 10.010 33 29 64 14 33 30.10 30.17 10 37 2.0 31 50 16 32 29.80 29.86 SC1 I tic FEW cr NC 10.00$ 36 30 so 9 31 30.1-2 30.19 13 ovc 04$l 10.001 3 "22 32 53 9 29 29.78 29.84 CIA liC 10.01 37 30 42 7 32 30.14] 30,21 16 11 Y_1; 44I 0.0,0 3'7 19 31 48 10 33 29.80 29.86 CLit 1.c 10.00 34 29 S2 5 26 30.1 30.26 19 B3K.41 200 I.0.00J 33 21 29 61 10 35 29.89 29.95 F'LU tic 30 27 72 7 23 30.24 30.31 22 10.00 31 1 E 26 54 15 34 29.97 30.04 PUBLISHED B" NCDC, ASHEVILLE. NC, PAGE 4

OBSERVATIONS AT 3-HOURLY INTERVALS "WASHINGTON DC, DC WiRAN # 13743~

SATELWTE TELIPO.UJRE VAND PRESSURE SAEJI E) RATUK. VIIND PRESSURE R >.WEATHER WEAHE WAHE --

r. - L ..

3 J~uj~ 3 _____

5_ _ _ __ - - ___ _ _ _

Iftrtl'NRIfE. 0718 DEC 11 StNSTIi 1647 I !iUNRIf1~i 0732 DRC DEC 19 19 StNSET: 1649 14 24 56 13 34 30.02 30.09 01 oVC 130 S9. oc 0722 SUB"RIGE; 33 29 321 85 6 20 30.26 30.33 FEW N C 28 CLR INC 10. 0c 25 14 22 63 9 34:30.08 30:14 04 M.N 100 B.OEI 9.0c4 33 29 321 85 0 00 30.23 30.29 CLR NIC 10.0c 23 13 20 65 8 35 30.1; 30,2-0 0:7. OvC 095 8064 32 30 311 92 6 19 30.22 30.29 27 11 22 51 12 02 30-24-30;,310, 'HYN ;160 36 30 341 79 3 10 30.22 30.29 FEW IlC 31 6 24 35 12 35 30,22 30.2B 13 SCT? ,NC 10.0oc 39 25 34 57 16 33 30.20 30.27 10 OC 31 5 24 33 8 36 30.25 30.32 16 FEW. .11C 10,0oc 10 37 14 30 39 15 33 30.19 30,26 FEW I-C 10.0* 01 CLR NC CLR tiC Ilo.oaC 10.0 26 24 a 21 9 20 46 52 13 35 30.32 30.39 19 CLR : C 1303 30.35 30.42 22 CLR IiC 10.0C 30 26 11 12 24 45 22 655 10 133 8 35 30.23 30.22 30.30 30.28 SONRISE: 0719 DEC 14 SUNGETs 1647 SUN'RI 91l 0723 DEC 20 UnlsET' 1649 10 00 Mli Itc 22 7 18 52 8 36 30.41 30.47 01 CLR tC 1*6 9 21 48 5 29 30.21 30.28 10,0

10. 20 B 17 60 10 03 30.41 30,47 04 CLR tiC 10.00 21 40 7 32 30.20 30.26 25 5 BKVN 200 Io'oq

10. .01 19 7 I0 59 8 04 30.44 30.50 07 CtR NC 10.00 20 42 10 30 30.17 30.24 OVe 160 21 8 l8 57 8 06 30.47 30.53 10 FEW tic 10.00 30 4 23 33 9 27 30.19 30.25 OVC 150 24 9 20 52 3 06 30.43 30.50 I.3 38 1 28 21 14 30 30.11 30.18 10.00 39* 1 28 20 20 30 30.09 30.16 OVC 200 26 11 22 53 6 09 30.39 30.45 16 FEW NIC 10,00 25 25 8 33 30.13 30.20 OVc '110 10.

10.I~0719 25 13 22 60 7 08 30.37 30.43 19 10.00 134 10.0 26 13 22 57 5 08 30,35 30 42 22 CLR NfC {

OvC l00 31 7 24 36 7 VR 30.18I30.24 SOlIISEB: 0719 DEC 15 SUNSET5: 1647 SU*IMSE ; 0723 DEC 21 SUUiSET: 1650 10.00 OVC 030 10.0 26 14 22 60 5 07 30.33 30,40 01 CLR tic 10.00 28 101 23 47 9 33 30.19 30.25 OvC 028 10.0O01 26 14 22 60 9 06 30.29 30.35 04 FEW NC 27 12 23 53 9 34 30.19 30.25 10.00 OVC 026 26 16 23 66 8 05 30.25 30.31 07 25 12 21 58 7 34 30.22 30.29 28 FEW tiC OVC 049 10.00 -sli 17 25 63 7 06 30.22 30.29 10 10.00 32 14 26 47 a 35 30.24 30.30 OVC 031 5.01 - FZDZPL B R 31 29 30 92 9 05 30.00 30.15 13 ScT tic 10.00 36 15 29 42 5 VR 30.14 30.21 3 0,o - RA RR 32 33 961 7 07 Z9,97 30".03 16 SCT Ile 10.00o 10.00 29 37 9 2. 30.11 30.j 8 OVC 010 33 37 13 OVC 007 3.0 RA DR 36 36 36 100 7 05 29.85 29.91 19 CLR NC 10.00 31 1$ 27 i 48 5 26 30.14 30.21 ovco 007 4.0CRA BR 44 43 44 96 5 31 29.67 29.74 22" FEW, tC 34 16 28, 48 13 30 30.17 30.24 StPMnxgE 0720 DEC 16 SUNSET: 1648 0724 DEC 22 SUoNSET: 1650 36 37 96 15 32 29.57 29.64 01 FEW NC 10.00 ovc 0*0 3.0 c-.HA HR 37 31 19 27 61 3 23 30.18 30.25 OVC 049 36 33 35 89 10 32 29.64 29.70 04. 29 18 25 64 0 00 30.20 30.27 FEW NC 10.0c 36 31 34 82 7 29 29.72 29,.9 07 10.00 28 21 26 76s 0 00 30,23 30.3o CLII NC 10.0c4 41 30 37 65 7 30 29,84 29.91 SCT ? C 33 24 30 7017 130.27d 30.34 FEW NC 10.0c4 46 29 )9 51 12 29 29.88 29.95 13 SCT NC 10.00 39 21 33 46 13 17 30.19 30.25 BDM 060 10.0 46 26 38 46 10 25 29.93 29.99 36 lIEN 250 10.00 40 21 33 47 7 21 30.16 30.22 BYI 250 10 o 42 28 30 se 9 23 30.03 30.10 19 BDNJ 250 10.001 35 26 32 70 20 20 30.14 30.20 OVC 250 10.0c 110: 40 28 35 631 8 31 30,13 30.20 22 SCT ?NC 35 21 30 57 9 21 30.09 30.16 10.00 SUNRISE: 07221 DEC 17 SUNrET: 1648 0724 DXC 23 SIUNSET: 1651

• .O.OC 10.00 BIY: 250 37 23 32 57 10 34 30.21 30.28 Ol SCI Nc 30 23 28 75 7 21 30.04 30.10 scr tic 10,0c 32 22 29 66 6 01 30.29 30.35 04 FEW NC 10. 00 31 23 28 72 3 22 30.02 30.09 ove 250 1100O1 34 27 31 76 0 00 30.36 30.42 07, SC?. SC? X;C Nc 10.00 29 23 27 78 0 24 30.02 30.09 CLR NC 110110 0c00 7 37 29 34 73 7 20 30.46 30.52 10 SC& NC 10.00 3S 25 31 67 8 18 30.02 30.09 10.00 46 24 38 42 8 341 30.41 30.49 13 SCCT iC 10.00D 37 44 10 16 29.91 29.98 BY-11 250 OUR0~

=10.00 072 45 24 B)LI 250 44 21 36 40 3 26 30_42 30.46 16 .10.*00 51 39 29 5 17 29.87 29.94 ove OVC 250 38 38 34 68a 3 20 30o45 30.52 19 10.001 4s 20 23 37 42 6 VR 29.87 29.94 ovc 2so, 35 301 331 821 0 00 30.46130.52 22 FEW NC 10.00 42 24 35 49 8 20 29.85 29.91 DEC i1 $U)F'T: 1648 0724 DEC 24 5UNA ETt 1651 ovc 130 110.0C 10.004 3S 29 33 78 3 06 30.4 5(.30.52 01 SCT Ii*C 10.00! 42 24 35 49 5 20 29.83 29.90 ovc 100 10.0o4 10O.00 34 29 32 82 5 04 30.45 30.51 04 SC?- NC 37 26 33 &5 3 23 29.86 29.92 ovc 100 34 29 32 62 5 06 30.47 30.53 07 B1N 250 10.001 36 25 32 64 5 19 29.8B 29.95 hX.? 090 39 "6 34 60 0 00 30.49 30.55 10 BlEl 250 39 27 34 02 7 19 29.91 29.98 BY-1 090 43 23. 35 45 5 10 30.39 30.46 13 BEN 250 10.00 50 ý7 40 41 6 18 29.66 29.92 24 37 44 9 36 3 0. 3 5j30.42 16 FEW NC 10,00 SCT sCr tC tic 45 39 231 33 53 7 36 30.35 30.42 19 CL ICC 10.00 SS 48 27 43 39 39 34 0 00 29.83 29.90 515 29.85 29.92 13101 2501 34 29 32 82 0100 30.31 30.37 22 W1i 250o 3 B 28428i 34 68 0 00 29.83 29.90 PUBUSHED BY: NCDC. ASH EVILLE. NIC. PAGE5

OBSERVATIONS AT 3-HOURLY INTERVALS,, I* WASHINGTON FICEMRIR *nnl_ DC,, fl DC

.A WP6AM ý& I q7AA 1~I_____>

SATEWT TEJJPERATURE WIND IPRE'SSUREC SATEWTE IENIPERATURE WIND PRESSURE

~1LV jWEATHER WEATHER ' ~ ~ 1CESG O 3 2 ISMMSZt 0725 DEC 25 SMISETa 1652 S*lfl-SR, 0726 DEC 31 SUNS1-FZ 165 FEW NC 6.0O 33 30 I 21 09 0 00 29.8D129.87 01 OVC 1oo 101 0( 31 36 73 29.84:

CLR 11c S: 0",, 30 281 291 92 5 03 29.77 29.94 04 OVC 095 39 29.91 10.0(4 39 31 36 73 29.79 29.86 OVc095 9.0 33 29 32 05 6 04 29.74129.00 07 OVeC 070 6.0C* -RA* 3B 35 9'0! 37 89 5 03 29.77 29.83 ove 025 38 311 35 76 $ 04 29.681 29.5. 0oimoE 200 9.0 42 37 40 82 5 22 29.74 29.90 0VC 0101 2.5 -RA BR 42 41 42 96 3 35 29.56129l.62 13 iVCa 09* 44 38 41 79 0 00 29.65 29.71 3

ovc 019 1. 7- RA Br 38 38 ejlOO o 1 06 29.46 29.S3 16 2SCv 11 47 37 42 69 7 34 29.6a OVC 41 42 96 1090c 29.75 29.82 018S 6.*00 DR 42 000 29.43 29.50 19 avc, 080 1000 42 36 39 7;9 5 15 29.75 OVC 006 3.0 ;BR 40 40 401001 31 04129.39129,45 72CE1

~ny 041 I I~ I I &.~.

, JI..L"_ . 0 , J. 4 SUNRISE: 0725 DfEC 26 SUNSET: 1653 I 2.50r .. 40 40 40 100 6 32 29.36 29. 43 3-HOURLY OBSERVATION NOTES OVC 036 40 39 40 97 5 21 29.36 29F.43 SSjkyC.vrr is tho au'm,.nt Of t1 Sky obscfod. CLR Or SKC = 0, FEW =1 M-2/2, 42.504 -A BR ,SET.=-3,r-4j8, BKN =5(8-7/. OVC =8,8, W =Vert;.ca V.,Ablly =&O EYM 060 8.0* 38 38a 38 100 . 18 219*.37 290.44 BKN 120 10.0 41 40 41 96 5l.09129.43:29.5o Ctbng is roporfed in hundreds of foeo above grotuid WO1 fof clouds at or bW-ow 12.000 foee.

0'JC 095 10.00 45 30 39 s5 23 29 29.*44 2 .51. NCa No ceigng detfected.

OVC 048 45 30 39 5& 20 27 29.51 29.58 & Ori*ginaJ obsevation conta.ldJ ao cWdoweathefr 'oments.

OVC 042 10.0 44 30 38 58 17 29 29.61 29,.6- Soo p*go 3 for sdd*;.,-n. notes.

011C .045 42 26 36 53 18 33/29.69129.76 110.01 1]0.001 DEC 27 =9=irn8K 1653 "

FEW HC 40 26 35 59 14.32 29173 29.80 SUMARYBY HOUlIR FEW MC 40 26 35 58 12 *30 29,71 '2.;84 FEW 11c 37 25 33 &2 6 20' 29'-8S 29.92 AVERAGES RESrATM[,

SCT ITC SUIMISE t 0726 42 27 36 SS 13 31 29.92 29.99 PRESSURE w 1004 250 4' 28 39 S0 14 33 29.89 29.-96 D?2I 200 10.00 44 26 38 S3 9 29 l9.89 29.96 via;* 150 'o.ocq 41 29 36 62 5 07 29.09 29s95 B~ll 150l 10.0~ 37 30 34 76 51 181 29.90 29.97 DEC 28 SMISE"t 1654 FEW Pic 36 29 33 76 3 21 29.87 29.93 CLR 21C 33 28 31 82 6 20 29.85 29.91 01 34 24 31 68 29.99 30.00 8.92 8 4 32 B"I2 2001 10.0O4 .36 30 34 79 0 00 29.81 29.0a 02 33 24 30 69 29.99 30.06 8.85 8 4 32 250 Ivc 10.0c 40 32 37 73 3 18 29.79 29.06 03 33 24 30 71 29.99 30.06 8.81 "1 4 33 OVC 12301 10.O0 48 35 42 61 6 20 29.69 29.76 04 32 24 30 72 29.99 30.006 8.78 7 4 33 B-I2001 10.0 $1 36 44 56 3 16 29.62 29.69 05 32 24 29 74 29,99 30.05 8.98 6 2 33 UB2* 250 10.0 47 37 42 691 3 17 29.59 29.65 06 32 24 29 75 29.99 30.06 9.19 6 3 32 OVCl 0O1 0VC 0551 10,00 39 45 66 7 18 29.53 29.60 07 32 24 30 73 30.00 30.07 9.10 7 4 31 stnaISE1 0726 DEC 29 StUSET: 1655 95 08 33 24 30 72 30.01 30,00 8.91 7 3 32 075 IVC 4.0( -RA 48 42 45 80 B 19 29.48 29.S9 09 34 25 31 71 30.02 30.09 9.93 7 3 32 OVC 003 ...0(~ -P BR. 46 4+ 461 1o0 0 00 29.39 29.46 10 36 25 32 65 30.03 30.10 9.53 9 3 32 WeC 009 4.0c1 [n 4750 47 47 100 0 00 29.36 29.42 11 38 24 33 60 30.02 30.09i 9.47 10 5 31 1.5(4-NA OR 48 48 418 100 3 04 2M.37 29.44 12 39 24 34 58 30.00 30,06 9.26 10 5 31 OVC 045 10.001 49 46 417 90 10 31 29**.31 29.3a 13 40 24 35 54 29.98 30.04 9.53 10 5 31!

QVC 065 49 39 44 69 16 32 29.37 29,44 14 41 23 35 52 29.96 30.03 9.44 5 ovc 070 10.0c 10 31 10.0c 46 34 Al 63 17 30 29:46 2§'.63 15 41 23 35 52 29.96 30.03 9.15 10 5 30 OVC 0951 45I 33 401 631 15 30!29.53129.59 16 41 23 34 51 29.97 30,03 9.19 10 6 31 SMIUR1SE 0726 DEC 30 SUN(Sx: 1656 , . 17 39 23 33 54 29.97 30.04 9.47 8 4 31 10:001 42 32 38 681 6] 29.29,58~ 29.65 18 38 23 33 57 29.98 30.05 9.52 9 4 31 OVC 032 10.( 44 34 40 fig 8432 29.654 29.72 19 37 24 33 60 29.99 3D.06 9.39 8 3 30 42 33 38 71 0129 20.751R9.81, 20 37 24 32 62 29.99 30.06 9.37 8 4 31 M.N 250 110.(01 4G 34 41 63 161 32 29ý.83J 29.90 21 36 25 32 65 29.99 30.06 9.22 9 4 32 BMe 250 10 *.01 47 33 41 59 13 31 29.81 29.08 iw1;l 2511 scr 2-C 10.

46' 42 31 30 40 37 56 62 12 32 29.821 29.88 5133 39.a4 29.90 22 23 36 35 24 24 32 31 65 29.99 30.06 9,26 66 30.00 30.06 9.02 a

7 4

4 31 31 24 35 24 31 66 29.99 30.06 9.15 7 4 31 OVC 1250 10.: 3; 34 37 t82 0100 129.4 129.91 PIBUSHED BY. NCDC. ASHEViLLE, NC, PAGE 6

Publiuled Dy: latlanal ClinatLc Data Center WASHINGTON DC, DC DECEMBER TEMPERATURES 26.7 80 21,1 70 15.6 60 z) 10.0 50 4.4 W 40

-1.1 Li 30

-6.7 10

-17.8

+ Extreme Max. S Mean Max. A ,ean X M~ean Min.

• Extreme Min.

Long-Term (1957-2005). Mc.arv: 39,.A 1971-2000 Nlormal: 39.5 WASHINGTON DC', DC DECEMBER PRECIPITATION 177.8 6.58 .

I 165.1 152.4 139,7 4.5 127.0 t7 114.3 101.6 4.0 88.9 76.2 63.5 1.5 50.8 38.1 25.4 12.7 0.5 1997 0 0.0157 67 1977 1997 Long-Term (1957-2005) Mean Monthly Totali 3.1.3 1971-2000 Normal: 3.05 PACE*r

.e -- ~. in-a * - . if - - q * .- ~ - - . ~ * - -.. - a -.. * - ~ ~ * ~*-- * -U C',

=.= WASHINGTON DC. DC U.

03 LOCAL CLIMATOLOGICAL DATA NOAA, National Climatic Data Center Z.

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I certify that this is an official publication of the National Oceahnic w and Atmospheric Administration (NOAA). It is compiled using I-information from weather observing sites operated by NOAA-"

National Weather Service I DepartmentOf Transportation--Federal C 0a Aviation Administration and received at the National Climatic Data Center (NCDC), Asheville, North Carolina 28801. oo

_1ý DIRECTOR eq a n

U) cn in I= 0 M C4 t"Z 0.5

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12.

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