ML20121A031
| ML20121A031 | |
| Person / Time | |
|---|---|
| Site: | Byron  |
| Issue date: | 04/30/2020 |
| From: | Teledyne Brown Engineering Environmental Services |
| To: | Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML20121A027 | List: |
| References | |
| BYRON 2020-0031 | |
| Download: ML20121A031 (58) | |
Text
Byron Generating Station Period of Record: January -
March, 2019 Stability Class -
Extremely Unstable -
250Ft-30Ft Delta-T (Fl Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 0
0 0
0 0
0 NNE 0
0 0
0 0
0 0
NE 0
0 0
0 0
0 0
ENE 0
0 0
0 0
0 0
E 0
0 0
0 0
0 0
ESE 0
0 0
0 0
0 0
SE 0
0 2
0 0
0 2
SSE 0
0 1
0 0
0 1
s 0
0 0
0 0
0 0
SSW 0
0 0
0 0
0 0
SW 0
0 0
0 0
0 0
WSW 0
0 0
0 0
0 0
w 0
0 0
0 0
0 0
WNW 0
0 0
1 0
0 1
NW 0
0 1
0 0
0 1
NNW 0
0 0
0 0
0 0
Variable 0
0 0
0 0
0 0
Total 0
0 4
1 0
0 5
Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-1
Byron Generating Station Period of Record: January -
March, 2019 Stability Class - Moderately Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 0
0 0
0 0
0 NNE 0
0 0
0 0
0 0
NE 0
0 0
0 0
0 0
ENE 0
0 0
0 0
0 0
E 0
0 0
0 0
0 0
ESE 0
0 0
0 0
0 0
SE 0
0 1
0 0
0 1
SSE 0
0 0
0 0
0 0
s 0
0 0
0 0
0 0
SSW 0
0 0
0 0
0 0
SW 0
0 0
0 0
0 0
WSW 0
0 0
0 0
0 0
w 0
0 0
9 0
0 9
WNW 0
0 0
1 0
0 1
NW 0
0 0
0 0
0 0
NNW 0
0 0
0 0
0 0
Variable 0
0 0
0 0
0 0
Total 0
0 1
10 0
0 11 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-2
Byron Generating Station Period of Record: January -
March, 2019 Stability Class - Slightly Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 0
0 0
0 0
0 NNE 0
0 1
0 0
0 1
NE 0
0 0
0 0
0 0
ENE 0
0 0
0 0
0 0
E 0
0 0
0 0
0 0
ESE 0
0 0
0 0
0 0
SE 0
0 0
0 0
0 0
SSE 0
0 1
0 0
0 1
s 0
0 0
0 0
0 0
SSW 0
0 0
0 0
0 0
SW 0
0 0
0 0
0 0
WSW 0
0 0
1 0
0 1
w 0
0 0
2 3
0 5
WNW 0
0 0
5 0
0 5
NW 0
0 0
4 0
0 4
NNW 0
0 0
0 0
0 0
Variable 0
0 0
0 0
0 0
Total 0
0 2
12 3
0 17 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-3
Byron Generating Station Period of Record: January -
March, 2019 Stability Class - Neutral -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
11 28 48 28 0
0 115 NNE 6
11 23 17 0
0 57 NE 9
19 25 10 0
0 63 ENE 6
31 46 4
0 0
87 E
7 76 50 2
0 0
135 ESE 4
29 25 12 0
0 70 SE 2
13 20 14 0
0 49 SSE 5
14 21 18 0
0 58 s
0 7
15 11 0
0 33 SSW 0
7 15 2
0 0
24 SW 1
15 41 9
4 0
70 WSW 3
9 29 31 10 1
83 w
2 20 55 75 36 15 203 WNW 1
18 48 79 21 2
169 NW 1
21 51 35 3
1 112 NNW 9
40 47 17 0
0 113 Variable 0
0 0
0 0
0 0
Total 67 358 559 364 74 19 1441 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4
Byron Generating Station Period of Record: January - March, 2019 Stability Class - Slightly Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
3 8
4 2
0 0
17 NNE 4
10 3
0 0
0 17 NE 1
3 2
0 0
0 6
ENE 1
9 7
2 0
0 19 E
1 25 13 3
1 0
43 ESE 3
16 17 4
6 1
47 SE 0
15 4
13 2
0 34 SSE 2
17 20 20 1
0 60 s
1 10 23 10 0
0 44 SSW 1
13 11 5
0 0
30 SW 8
19 9
0 0
0 36 WSW 9
8 9
3 0
0 29 w
7 21 24 4
2 4
62 WNW 7
11 9
3 2
0 32 NW 5
15 3
0 0
0 23 NNW 1
11 13 0
0 0
25 Variable 0
0 0
0 0
0 0
Total 54 211 171 69 14 5
524 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-5
Byron Generating Station Period of Record: January -
March, 2019 Stability Class - Moderately Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 4
1 0
0 0
5 NNE 0
0 3
0 0
0 3
NE 0
0 1
0 0
0 1
ENE 2
3 0
0 0
0 5
E 3
2 0
0 0
0 5
ESE 0
2 1
0 0
0 3
SE 0
5 0
0 0
0 5
SSE 1
10 14 1
0 0
26 s
0 6
2 0
0 0
8 SSW 8
6 0
0 0
0 14 SW 10 2
0 0
0 0
12 WSW 6
2 0
0 0
0 8
w 7
8 0
0 0
0 15 WNW 7
2 0
0 0
0 9
NW 2
1 0
0 0
0 3
NNW 2
5 0
0 0
0 7
Variable 0
0 0
0 0
0 0
Total 48 58 22 1
0 0
129 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-6
Byron Generating Station Period of Record: January - March, 2019 Stability Class -
Extremely Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
1 0
0 0
0 0
1 NNE 0
0 0
0 0
0 0
NE 0
0 0
0 0
0 0
ENE 0
0 0
0 0
0 0
E 0
0 0
0 0
0 0
ESE 2
2 1
0 0
0 5
SE 0
2 0
0 0
0 2
SSE 3
1 2
0 0
0 6
s 2
1 0
0 0
0 3
SSW 2
0 0
0 0
0 2
SW 0
0 0
0 0
0 0
WSW 0
0 0
0 0
0 0
w 2
0 0
0 0
0 2
WNW 3
0 0
0 0
0 3
NW 0
0 0
0 0
0 0
NNW 1
0 0
0 0
0 1
Variable 0
0 0
0 0
0 0
Total 16 6
3 0
0 0
25 Hours of calm in this stability class:
4 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-7
Byron Generating Station Period of Record: January - March, 2019 Stability Class -
Extremely Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 0
0 0
0 0
0 NNE 0
0 0
0 0
0 0
NE 0
0 0
0 0
0 0
ENE 0
0 0
0 0
0 0
E 0
0 0
0 0
0 0
ESE 0
0 0
0 0
0 0
SE 0
0 0
0 0
0 0
SSE 0
0 0
2 1
0 3
s 0
0 0
0 0
0 0
SSW 0
0 0
0 0
0 0
SW 0
0 0
0 0
0 0
WSW 0
0 0
0 0
0 0
w 0
0 0
0 0
0 0
WNW 0
0 0
0 1
0 1
NW 0
0 1
0 0
0 1
NNW 0
0 0
0 0
0 0
Variable 0
0 0
0 0
0 0
Total 0
0 1
2 2
0 5
Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-8
Byron Generating Station Period of Record: January -
March, 2019 Stability Class - Moderately Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 0
0 0
0 0
0 NNE 0
0 0
0 0
0 0
NE 0
0 0
0 0
0 0
ENE 0
0 0
0 0
0 0
E 0
0 0
0 0
0 0
ESE 0
0 0
0 0
0 0
SE 0
0 0
0 0
0 0
SSE 0
0 0
1 0
0 1
s 0
0 0
0 0
0 0
SSW 0
0 0
0 0
0 0
SW 0
0 0
0 0
0 0
WSW 0
0 0
0 0
0 0
w 0
0 0
0 9
0 9
WNW 0
0 0
0 1
0 1
NW 0
0 0
0 0
0 0
NNW 0
0 0
0 0
0 0
Variable 0
0 0
0 0
0 0
Total 0
0 0
1 10 0
11 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-9
Byron Generating Station Period of Record: January - March, 2019 Stability Class - Slightly Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 0
0 0
0 0
0 NNE 0
0 0
0 0
0 0
NE 0
0 0
1 0
0 1
ENE 0
0 0
0 0
0 0
E 0
0 0
0 0
0 0
ESE 0
0 0
0 0
0 0
SE 0
0 0
0 0
0 0
SSE 0
0 0
1 0
0 1
s 0
0 0
0 0
0 0
SSW 0
0 0
0 0
0 0
SW 0
0 0
0 0
0 0
WSW 0
0 0
0 1
0 1
w 0
0 0
2 1
2 5
WNW 0
0 0
2 3
0 5
NW 0
0 0
2 1
0 3
NNW 0
0 0
1 0
0 1
Variable 0
0 0
0 0
0 0
Total 0
0 0
9 6
2 17 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-10
Byron Generating Station Period of Record: January -
March, 2019 Stability Class - Neutral -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
5 29 28 52 19 1
134 NNE 5
16 10 12 14 1
58 NE 3
14 13 23 18 0
71 ENE 3
25 21 17 9
0 75 E
1 38 57 52 7
0 155 ESE 1
11 35 12 5
8 72 SE 2
5 18 12 8
6 51 SSE 0
10 12 10 6
9 47 s
0 2
18 10 12 1
43 SSW 0
2 6
3 7
1 19 SW 0
6 22 29 5
9 71 WSW 0
3 25 16 21 11 76 w
1 5
34 62 53 41 196 WNW 0
11 35 57 57 19 179 NW 3
11 23 53 18 3
111 NNW 4
17 35 26 1
0 83 Variable 0
0 0
0 0
0 0
Total 28 205 392 446 260 110 1441 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-11
Byron Generating Station Period of Record: January - March, 2019 Stability Class - Slightly Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
1 6
4 10 3
0 24 NNE 0
1 7
9 0
0 17 NE 0
1 4
4 0
0 9
ENE 1
3 5
5 1
0 15 E
1 5
13 14 4
4 41 ESE 0
2 4
14 10 10 40 SE 1
6 6
4 2
10 29 SSE 1
8 7
15 8
15 54 s
0 1
13 10 24 7
55 SSW 0
0 4
17 13 3
37 SW 0
1 6
18 7
0 32 WSW 0
1 9
11 2
0 23 w
1 5
19 25 7
6 63 WNW 0
5 17 14 2
2 40 NW 0
2 12 8
0 0
22 NNW 0
3 11 9
0 0
23 Variable 0
0 0
0 0
0 0
Total 6
50 141 187 83 57 524 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-12
Byron Generating Station Period of Record: January - March, 2019 Stability Class - Moderately Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
1 1
0 4
1 0
7 NNE 1
0 1
2 2
0 6
NE 0
0 1
3 0
0 4
ENE 0
0 1
2 0
0 3
E 1
2 0
0 0
0 3
ESE 0
1 1
2 0
0 4
SE 0
2 1
1 0
0 4
SSE 1
0 1
5 0
1 8
s 0
0 3
7 9
6 25 SSW 0
0 1
1 2
0 4
SW 0
0 1
0 0
0 1
WSW 1
1 8
3 0
0 13 w
1 1
12 4
0 0
18 WNW 2
0 9
7 0
0 18 NW 0
0 3
3 0
0 6
NNW 0
1 3
1 0
0 5
Variable 0
0 0
0 0
0 0
Total 8
9 46 45 14 7
129 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-13
Byron Generating Station Period of Record: January - March, 2019 Stability Class -
Extremely Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 0
0 0
0 0
0 NNE 0
0 0
0 0
0 0
NE 0
0 0
0 0
0 0
ENE 0
0 0
0 0
0 0
E 0
0 0
0 0
0 0
ESE 0
0 2
2 0
0 4
SE 0
0 0
1 0
0 1
SSE 0
1 2
0 0
1 4
s 1
2 1
1 0
0 5
SSW 0
4 1
0 1
0 6
SW 0
0 0
0 0
0 0
WSW 0
3 1
0 0
0 4
w 1
0 1
0 0
0 2
WNW 0
0 0
0 0
0 0
NW 0
0 2
0 0
0 2
NNW 1
0 0
0 0
0 1
Variable 0
0 0
0 0
0 0
Total 3
10 10 4
1 1
29 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-14
Byron Generating Station Period of Record: April -
June, 2019 Stability Class -
Extremely Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 2
0 0
0 0
2 NNE 1
4 0
0 0
0 5
NE 0
1 1
0 0
0 2
ENE 0
5 1
0 0
0 6
E 0
4 0
0 0
0 4
ESE 0
0 0
0 0
0 0
SE 0
0 1
0 0
0 1
SSE 0
0 0
2 0
0 2
s 0
1 0
0 0
0 1
SSW 0
1 0
0 0
0 1
SW 0
0 0
0 0
0 0
WSW 0
0 0
0 0
0 0
w 0
0 0
0 0
0 0
WNW 0
0 0
0 0
0 0
NW 0
2 0
0 0
0 2
NNW 0
0 0
0 0
0 0
Variable 0
0 0
0 0
0 0
Total 1
20 3
2 0
0 26 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
3 F-15
Byron Generating Station Period of Record: April -
June, 2019 Stability Class - Moderately Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 0
0 0
0 0
0 NNE 0
0 0
0 0
0 0
NE 1
1 0
0 0
0 2
ENE 0
0 0
0 0
0 0
E 0
0 1
0 0
0 1
ESE 0
0 0
0 0
0 0
SE 0
0 0
0 0
0 0
SSE 0
0 1
0 0
0 1
s 0
0 1
0 0
0 1
SSW 0
0 0
0 0
0 0
SW 0
1 0
0 0
0 1
WSW 0
0 0
0 0
0 0
w 0
1 0
0 0
0 1
WNW 0
0 0
0 0
0 0
NW 0
0 0
0 0
0 0
NNW 0
1 0
0 0
0 1
Variable 0
0 0
0 0
0 0
Total 1
4 3
0 0
0 8
Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
3 F-16
Byron Generating Station Period of Record: April -
June, 2019 Stability Class - Slightly Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 2
1 2
1 0
6 NNE 0
1 2
1 1
0 5
NE 0
0 0
1 0
0 1
ENE 0
0 0
2 0
0 2
E 0
0 0
0 0
0 0
ESE 0
0 0
0 0
0 0
SE 0
0 0
1 0
0 1
SSE 0
0 2
0 0
0 2
s 0
0 1
1 0
0 2
SSW 0
0 3
1 3
0 7
SW 0
0 5
1 0
0 6
WSW 0
0 1
1 0
0 2
w 0
0 1
1 0
0 2
WNW 0
0 0
0 1
0 1
NW 0
0 0
0 0
0 0
NNW 0
0 0
0 0
0 0
Variable 0
0 0
0 0
0 0
Total 0
3 16 12 6
0 37 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
3 F-17
Byron Generating Station Period of Record: April -
June, 2019 Stability Class - Neutral -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
7 19 52 14 0
0 92 NNE 3
15 16 13 2
0 49 NE 2
23 18 11 0
0 54 ENE 6
24 44 26 3
0 103 E
10 32 55 14 0
0 111 ESE 1
0 24 15 0
0 40 SE 3
6 22 16 0
0 47 SSE 5
15 27 16 0
0 63 s
1 19 16 16 1
0 53 SSW 5
18 23 15 6
0 67 SW 5
18 25 13 1
0 62 WSW 2
22 31 21 4
0 80 w
5 18 18 32 5
0 78 WNW 11 21 16 17 1
0 66 NW 10 16 24 27 6
0 83 NNW 5
28 44 23 2
0 102 Variable 0
0 0
0 0
0 0
Total 81 294 455 289 31 0
1150 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
3 F-18
Byron Generating Station Period of Record: April -
June, 2019 Stability Class - Slightly Stable -
250Ft-30Ft Delta-T (Fl Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
4 13 6
0 0
0 23 NNE 3
14 9
1 0
0 27 NE 8
13 4
0 0
0 25 ENE 10 12 30 3
0 0
55 E
12 67 27 5
0 0
111 ESE 1
20 15 1
2 1
40 SE 2
26 27 2
0 0
57 SSE 4
15 24 4
0 0
47 s
3 18 20 3
0 0
44 SSW 5
12 23 11 0
0 51 SW 7
20 32 4
0 0
63 WSW 6
21 18 3
0 0
48 w
13 12 9
3 0
0 37 WNW 9
13 5
3 0
0 30 NW 6
20 9
3 0
0 38 NNW 5
16 8
4 0
0 33 Variable 0
0 0
0 0
0 0
Total 98 312 266 50 2
1 729 Hours of calm in this stability class:
1 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
3 F-19
Byron Generating Station Period of Record: April -
June, 2019 Stability Class - Moderately Stable -
250Ft-30Ft Delta-T (Fl Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
1 2
0 0
0 0
3 NNE 1
1 0
0 0
0 2
NE 0
0 0
0 0
0 0
ENE 0
3 2
0 0
0 5
E 2
8 0
0 0
0 10 ESE 2
13 4
0 0
0 19 SE 6
15 3
1 0
0 25 SSE 2
16 5
0 0
0 23 s
7 20 1
0 0
0 28 SSW 4
5 0
0 0
0 9
SW 5
5 0
0 0
0 10 WSW 9
6 0
0 0
0 15 w
8 4
0 0
0 0
12 WNW 6
1 0
0 0
0 7
NW 3
4 0
0 0
0 7
NNW 3
3 0
0 0
0 6
Variable 0
0 0
0 0
0 0
Total 59 106 15 1
0 0
181 Hours of calm in this stability class:
5 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
3 F-20
Byron Generating Station Period of Record: April -
June, 2019 Stability Class - Extremely Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
1 0
0 0
0 0
1 NNE 0
0 0
0 0
0 0
NE 0
0 0
0 0
0 0
ENE 0
0 0
0 0
0 0
E 0
0 0
0 0
0 0
ESE 0
0 0
0 0
0 0
SE 0
2 0
0 0
0 2
SSE 1
4 0
0 0
0 5
s 3
16 0
0 0
0 19 SSW 0
3 0
0 0
0 3
SW 2
0 0
0 0
0 2
WSW 1
0 0
0 0
0 1
w 2
0 0
0 0
0 2
WNW 3
0 0
0 0
0 3
NW 1
0 0
0 0
0 1
NNW 1
2 0
0 0
0 3
Variable 0
0 0
0 0
0 0
Total 15 27 0
0 0
0 42 Hours of calm in this stability class:
2 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
3 F-21
Byron Generating Station Period of Record: April -
June, 2019 Stability Class -
Extremely Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 1
0 0
0 0
1 NNE 0
1 2
0 0
0 3
NE 0
1 3
0 0
0 4
ENE 1
3 3
0 0
0 7
E 0
3 1
0 0
0 4
ESE 0
0 0
0 0
0 0
SE 0
0 0
1 0
0 1
SSE 0
0 0
0 2
0 2
s 0
0 0
1 0
0 1
SSW 0
0 0
1 0
0 1
SW 0
0 0
0 0
0 0
WSW 0
0 0
0 0
0 0
w 0
0 0
0 0
0 0
WNW 0
0 0
0 0
0 0
NW 0
1 0
0 0
0 1
NNW 0
0 1
0 0
0 1
Variable 0
0 0
0 0
0 0
Total 1
10 10 3
2 0
26 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
3 F-22
Byron Generating Station Period of Record: April - June, 2019 Stability Class - Moderately Unstable - 250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 0
0 0
0 0
0 NNE 0
0 0
0 0
0 0
NE 0
1 1
0 0
0 2
ENE 0
0 0
0 0
0 0
E 0
0 1
0 0
0 1
ESE 0
0 0
0 0
0 0
SE 0
0 0
0 0
0 0
SSE 0
0 0
1 0
0 1
s 0
0 0
1 0
0 1
SSW 0
0 0
0 0
0 0
SW 0
0 0
1 0
0 1
WSW 0
0 0
0 0
0 0
w 0
0 1
0 0
0 1
WNW 0
0 0
0 0
0 0
NW 0
0 0
0 0
0 0
NNW 0
0 1
0 0
0 1
Variable 0
0 0
0 0
0 0
Total 0
1 4
3 0
0 8
Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
3 F-23
Byron Generating Station Period of Record: April -
June, 2019 Stability Class - Slightly Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 0
0 0
0 0
0 NNE 0
0 6
0 3
2 11 NE 0
0 0
0 0
0 0
ENE 0
0 0
1 1
1 3
E 0
0 0
0 0
0 0
ESE 0
0 0
0 0
0 0
SE 0
0 0
0 0
0 0
SSE 0
0 0
2 0
0 2
s 0
0 0
3 0
0 3
SSW 0
0 3
1 1
3 8
SW 0
0 1
3 1
0 5
WSW 0
0 0
1 0
0 1
w 0
0 1
0 2
0 3
WNW 0
0 0
0 0
1 1
NW 0
0 0
0 0
0 0
NNW 0
0 0
0 0
0 0
Variable 0
0 0
0 0
0 0
Total 0
0 11 11 8
7 37 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
3 F-24
Byron Generating Station Period of Record: April -
June, 2019 Stability Class - Neutral -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
5 9
32 39 12 1
98 NNE 3
16 12 4
8 2
45 NE 0
11 13 13 5
2 44 ENE 1
11 17 31 9
9 78 E
6 13 43 43 30 9
144 ESE 2
2 4
24 7
3 42 SE 2
2 5
20 11 3
43 SSE 2
10 17 20 7
1 57 s
5 8
11 14 7
1 46 SSW 1
9 22 13 12 8
65 SW 3
17 18 17 3
5 63 WSW 1
14 12 31 12 11 81 w
5 20 7
22 2 6 5
85 WNW 3
22 10 18 7
1 61 NW 7
14 12 31 17 2
83 NNW 4
16 23 32 14 1
90 Variable 0
0 0
0 0
0 0
Total 50 194 258 372 187 64 1125 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
25 Hours of missing stability measurements in all stability classes :
3 F-25
Byron Generating Station Period of Record: April -
June, 2019 Stability Class - Slightly Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
1 4
6 9
0 0
20 NNE 0
3 10 7
5 1
26 NE 3
9 13 10 0
0 35 ENE 2
6 10 16 3
2 39 E
1 10 50 41 7
3 112 ESE 1
2 9
14 8
4 38 SE 1
4 8
15 10 0
38 SSE 1
3 7
23 13 0
47 s
0 1
6 12 10 1
30 SSW 1
4 9
28 23 1
66 SW 2
6 11 20 9
2 50 WSW 1
4 10 33 13 0
61 w
1 6
10 16 6
0 39 WNW 2
2 10 8
0 0
22 NW 1
9 19 12 4
0 45 NNW 0
1 11 17 4
0 33 Variable 0
0 0
0 0
0 0
Total 18 74 199 281 115 14 701 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
29 Hours of missing stability measurements in all stability classes:
3 F-26
Byron Generating Station Period of Record: April -
June, 2019 Stability Class - Moderately Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
1 2
2 2
0 0
7 NNE 1
1 2
2 0
0 6
NE 1
0 0
0 0
0 1
ENE 0
1 1
0 0
0 2
E 0
1 4
3 0
0 8
ESE 0
2 4
3 3
0 12 SE 0
1 2
8 4
0 15 SSE 0
0 5
9 2
1 17 s
0 3
7 9
1 0
20 SSW 0
5 7
10 3
0 25 SW 0
3 8
5 0
0 16 WSW 1
2 2
5 0
0 10 w
3 3
4 2
0 0
12 WNW 0
3 6
2 0
0 11 NW 1
5 6
1 0
0 13 NNW 1
0 4
0 0
0 5
Variable 0
0 0
0 0
0 0
Total 9
32 64 61 13 1
180 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
6 Hours of missing stability measurements in all stability classes:
3 F-27
Byron Generating Station Period of Record: April -
June, 2019 Stability Class -
Extremely Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
NNE NE ENE E
WNW NW NNW Variable Total 0
0 0
0 0
0 0
0 0
1 0
0 0
0 2
1 0
4 1
0 0
0 0
0 0
0 1
0 0
3 1
1 1
0 0
8 1
0 0
0 0
0 0
0 1
1 3
0 2
0 2
0 0
10 Hours of calm in this stability class:
0 0
0 0
0 0
0 2
0 1
9 5
1 0
0 0
1 0
19 0
0 0
0 0
0 0
0 0
2 1
0 0
0 0
0 0
3 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 Hours of missing wind measurements in this stability class:
0 2
0 0
0 0
0 2
0 3
13 9
4 3
1 5
2 0
44 Hours of missing stability measurements in all stability classes:
3 F-28
Byron Generating Station Period of Record: July -
September, 2019 Stability Class -
Extremely Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 1
0 0
0 0
1 NNE 0
1 0
0 0
0 1
NE 0
2 0
0 0
0 2
ENE 0
0 0
0 0
0 0
E 0
0 0
0 0
0 0
ESE 0
0 0
0 0
0 0
SE 0
3 0
0 0
0 3
SSE 0
0 0
0 0
0 0
s 0
0 0
0 0
0 0
SSW 0
0 0
0 0
0 0
SW 0
0 0
0 0
0 0
WSW 0
0 0
0 0
0 0
w 0
0 0
0 0
0 0
WNW 0
2 0
0 0
0 2
NW 1
1 0
0 0
0 2
NNW 1
0 0
0 0
0 1
Variable 0
0 0
0 0
0 0
Total 2
10 0
0 0
0 12 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-29
Byron Generating Station Period of Record: July -
September, 2019 Stability Class - Moderately Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 1
0 0
0 0
1 NNE 0
0 0
0 0
0 0
NE 0
0 0
0 0
0 0
ENE 0
1 0
0 0
0 1
E 0
0 0
0 0
0 0
ESE 0
0 0
0 0
0 0
SE 0
3 0
0 0
0 3
SSE 0
0 0
0 0
0 0
s 0
0 0
0 0
0 0
SSW 0
0 0
0 0
0 0
SW 0
0 0
0 0
0 0
WSW 0
1 0
0 0
0 1
w 0
0 0
0 0
0 0
WNW 0
0 0
0 0
0 0
NW 1
0 0
0 0
0 1
NNW 0
0 0
0 0
0 0
Variable 0
0 0
0 0
0 0
Total 1
6 0
0 0
0 7
Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-30
Byron Generating Station Period of Record: July -
September, 2019 Stability Class - Slightly Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 0
1 0
0 0
1 NNE 0
0 0
0 0
0 0
NE 0
0 1
0 0
0 1
ENE 0
1 0
0 0
0 1
E 0
0 0
0 0
0 0
ESE 0
1 0
0 0
0 1
SE 0
2 0
0 0
0 2
SSE 0
0 0
0 0
0 0
s 0
0 0
0 0
0 0
SSW 0
1 2
0 0
0 3
SW 0
1 3
0 0
0 4
WSW 0
0 0
0 0
0 0
w 0
1 2
0 0
0 3
WNW 0
1 0
0 0
0 1
NW 0
0 0
0 0
0 0
NNW 0
1 0
0 0
0 1
Variable 0
0 0
0 0
0 0
Total 0
9 9
0 0
0 18 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-31
Byron Generating Station Period of Record: July -
September, 2019 Stability Class - Neutral - 250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
8 26 26 5
0 0
65 NNE 4
34 23 3
0 0
64 NE 5
28 8
0 0
0 41 ENE 4
18 12 1
0 0
35 E
6 52 14 0
0 0
72 ESE 11 26 18 0
0 0
55 SE 5
17 14 2
0 0
38 SSE 4
19 20 1
0 0
44 s
1 33 38 6
0 0
78 SSW 2
28 38 17 0
0 85 SW 1
32 51 6
0 0
90 WSW 1
30 47 13 0
0 91 w
3 21 50 19 0
0 93 WNW 8
13 21 4
0 0
46 NW 1
19 21 4
0 0
45 NNW 7
23 23 3
0 0
56 Variable 0
0 0
0 0
0 0
Total 71 419 424 84 0
0 998 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-32
Byron Generating Station Period of Record: July -
September, 2019 Stability Class - Slightly Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
9 29 5
0 0
0 43 NNE 7
19 7
0 0
0 33 NE 10 15 1
0 0
0 26 ENE 8
28 3
2 0
0 41 E
8 46 3
2 0
0 59 ESE 6
11 8
0 0
0 25 SE 3
21 10 0
0 0
34 SSE 7
29 19 1
0 0
56 s
8 43 41 5
0 0
97 SSW 6
26 43 2
0 0
77 SW 8
26 10 0
0 0
44 WSW 10 25 8
1 0
0 44 w
7 14 9
1 0
0 31 WNW 9
22 13 0
0 0
44 NW 7
20 6
0 0
0 33 NNW 9
24 2
0 0
0 35 Variable 0
0 0
0 0
0 0
Total 122 398 188 14 0
0 722 Hours of calm in this stability class:
1 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-33
Byron Generating Station Period of Record: July -
September, 2019 Stability Class -
Moderately Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
5 4
0 0
0 0
9 NNE 2
2 0
0 0
0 4
NE 8
1 0
0 0
0 9
ENE 7
5 1
0 0
0 13 E
4 32 1
0 0
0 37 ESE 3
28 3
0 0
0 34 SE 5
17 6
0 0
0 28 SSE 6
26 6
0 0
0 38 s
9 17 1
0 0
0 27 SSW 9
8 1
0 0
0 18 SW 18 7
0 0
0 0
25 WSW 13 3
0 0
0 0
16 w
6 0
0 0
0 0
6 WNW 17 3
0 0
0 0
20 NW 20 6
0 0
0 0
26 NNW 14 9
0 0
0 0
23 Variable 0
0 0
0 0
0 0
Total 14 6 168 19 0
0 0
333 Hours of calm in this stability class:
4 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-34
Byron Generating Station Period of Record: July -
September, 2019 Stability Class -
Extremely Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
3 0
0 0
0 0
3 NNE 3
0 0
0 0
0 3
NE 0
0 0
0 0
0 0
ENE 1
1 0
0 0
0 2
E 7
2 0
0 0
0 9
ESE 0
6 0
0 0
0 6
SE 3
5 1
0 0
0 9
SSE 2
2 3
0 0
0 7
s 2
3 0
0 0
0 5
SSW 6
4 0
0 0
0 10 SW 2
0 0
0 0
0 2
WSW 11 0
0 0
0 0
11 w
9 0
0 0
0 0
9 WNW 10 0
0 0
0 0
10 NW 16 0
0 0
0 0
16 NNW 4
0 0
0 0
0 4
Variable 0
0 0
0 0
0 0
Total 79 23 4
0 0
0 106 Hours of calm in this stability class:
3 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-35
Byron Generating Station Period of Record: July -
September, 2019 Stability Class - Extremely Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 1
0 0
0 0
1 NNE 0
2 0
0 0
0 2
NE 0
1 1
0 0
0 2
ENE 0
0 0
0 0
0 0
E 0
0 0
0 0
0 0
ESE 0
0 0
0 0
0 0
SE 0
0 3
0 0
0 3
SSE 0
0 0
0 0
0 0
s 0
0 0
0 0
0 0
SSW 0
0 0
0 0
0 0
SW 0
0 0
0 0
0 0
WSW 0
0 0
0 0
0 0
w 0
0 0
0 0
0 0
WNW 0
1 3
0 0
0 4
NW 0
0 0
0 0
0 0
NNW 0
0 0
0 0
0 0
Variable 0
0 0
0 0
0 0
Total 0
5 7
0 0
0 12 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-36
Byron Generating Station Period of Record: July -
September, 2019 Stability Class - Moderately Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 1
0 0
0 0
1 NNE 0
0 0
0 0
0 0
NE 0
0 0
0 0
0 0
ENE 0
0 0
0 0
0 0
E 0
0 1
0 0
0 1
ESE 0
0 0
0 0
0 0
SE 0
0 3
0 0
0 3
SSE 0
0 0
0 0
0 0
s 0
0 0
0 0
0 0
SSW 0
0 0
0 0
0 0
SW 0
0 0
0 0
0 0
WSW 0
0 1
0 0
0 1
w 0
0 0
0 0
0 0
WNW 0
0 0
0 0
0 0
NW 0
1 0
0 0
0 1
NNW 0
0 0
0 0
0 0
Variable 0
0 0
0 0
0 0
Total 0
2 5
0 0
0 7
Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-37
Byron Generating Station Period of Record: July -
September, 2019 Stability Class - Slightly Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 0
1 0
0 0
1 NNE 0
0 0
0 0
0 0
NE 0
0 1
0 0
0 1
ENE 0
1 0
0 0
0 1
E 0
0 0
0 0
0 0
ESE 0
0 1
0 0
0 1
SE 0
0 1
0 0
0 1
SSE 0
0 1
0 0
0 1
s 0
0 0
0 0
0 0
SSW 0
1 1
1 0
0 3
SW 0
0 1
3 0
0 4
WSW 0
0 0
0 0
0 0
w 0
1 1
1 0
0 3
WNW 0
0 1
0 0
0 1
NW 0
0 0
0 0
0 0
NNW 0
1 0
0 0
0 1
Variable 0
0 0
0 0
0 0
Total 0
4 9
5 0
0 18 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-38
Byron Generating Station Period of Record: July -
September, 2019 Stability Class - Neutral -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
3 7
32 13 1
0 56 NNE 4
15 20 13 2
0 54 NE 4
14 14 14 0
0 46 ENE 4
19 14 5
1 0
43 E
2 16 47 11 0
0 76 ESE 7
17 17 21 0
0 62 SE 4
12 12 5
2 0
35 SSE 1
13 13 15 1
1 44 s
0 18 19 28 8
1 74 SSW 3
11 14 39 15 0
82 SW 0
13 35 48 11 0
107 WSW 1
8 36 27 8
1 81 w
2 15 25 38 14 3
97 WNW 1
8 15 14 1
0 39 NW 1
16 20 10 1
0 48 NNW 6
14 20 13 1
0 54 Variable 0
0 0
0 0
0 0
Total 43 216 353 314 66 6
998 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-39
Byron Generating Station Period of Record: July -
September, 2019 Stability Class - Slightly Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
2 2
20 6
0 0
30 NNE 0
5 19 16 0
0 40 NE 0
8 13 3
0 0
24 ENE 1
19 12 11 2
1 46 E
3 11 30 16 1
1 62 ESE 0
1 7
15 2
0 25 SE 2
2 5
9 1
0 19 SSE 2
5 8
11 15 1
42 s
1 4
19 33 26 1
84 SSW 1
7 16 57 24 0
105 SW 0
4 11 32 5
0 52 WSW 1
7 14 16 2
0 40 w
1 6
21 18 2
0 48 WNW 2
1 12 19 0
0 34 NW 3
6 12 12 0
0 33 NNW 0
5 24 8
0 0
37 Variable 0
0 0
0 0
0 0
Total 19 93 243 282 80 4
721 Hours of calm in this stability class:
1 Hours of missing wind measurements in this stability class:
1 Hours of missing stability measurements in all stability classes:
4 F-40
Byron Generating Station Period of Record: July -
September, 2019 Stability Class - Moderately Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
2 5
7 4
0 0
18 NNE 0
3 8
1 0
0 12 NE 2
6 3
1 0
0 12 ENE 1
13 6
3 0
0 23 E
3 9
12 16 1
0 41 ESE 1
2 5
12 6
0 26 SE 0
1 5
14 5
0 25 SSE 0
0 4
6 15 0
25 s
1 1
7 13 2
0 24 SSW 1
3 6
14 0
0 24 SW 3
1 7
12 0
0 23 WSW 0
2 7
10 0
0 19 w
0 2
6 6
0 0
14 WNW 1
4 9
0 0
0 14 NW 1
1 7
9 0
0 18 NNW 1
2 14 2
0 0
19 Variable 0
0 0
0 0
0 0
Total 17 55 113 123 29 0
337 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-41
Byron Generating Station Period of Record: July -
September, 2019 Stability Class -
Extremely Stable -
250Ft-30Ft Delta-T (Fl Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 1
0 1
0 0
2 NNE 1
1 4
0 0
0 6
NE 2
2 0
0 0
0 4
ENE 4
2 0
0 0
0 6
E 2
3 1
4 1
0 11 ESE 1
3 1
3 1
0 9
SE 2
2 3
0 0
0 7
SSE 0
4 1
1 2
0 8
s 0
0 3
3 2
0 8
SSW 0
4 1
1 0
0 6
SW 1
1 2
4 0
0 8
WSW 0
1 3
1 0
0 5
w 0
0 0
1 0
0 1
WNW 0
2 3
0 0
0 5
NW 0
4 9
3 0
0 16 NNW 0
0 4
3 0
0 7
Variable 0
0 0
0 0
0 0
Total 13 30 35 25 6
0 109 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
4 F-42
Byron Generating Station Period of Record: October -
December, 2019 Stability Class -
Extremely Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 0
0 0
0 0
0 NNE 0
0 0
0 0
0 0
NE 0
0 0
0 0
0 0
ENE 0
0 0
0 0
0 0
E 0
0 0
0 0
0 0
ESE 0
0 0
0 0
0 0
SE 0
0 0
0 0
0 0
SSE 0
0 0
0 0
0 0
s 0
0 0
0 0
0 0
SSW 0
0 0
0 0
0 0
SW 0
0 0
0 0
0 0
WSW 0
0 0
0 0
0 0
w 0
0 0
0 0
0 0
WNW 0
0 0
0 0
0 0
NW 0
0 0
0 0
0 0
NNW 0
0 0
0 0
0 0
Variable 0
0 0
0 0
0 0
Total 0
0 0
0 0
0 0
Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
0 F-43
Byron Generating Station Period of Record: October -
December, 2019 Stability Class - Moderately Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 0
0 0
0 0
0 NNE 0
0 0
0 0
0 0
NE 0
0 0
0 0
0 0
ENE 0
0 0
0 0
0 0
E 0
0 0
0 0
0 0
ESE 0
0 0
0 0
0 0
SE 0
0 0
0 0
0 0
SSE 0
0 0
0 0
0 0
s 0
0 0
0 0
0 0
SSW 0
0 0
0 0
0 0
SW 0
0 0
0 0
0 0
WSW 0
0 0
0 0
0 0
w 0
0 0
0 0
0 0
WNW 0
0 0
0 0
0 0
NW 0
0 0
0 0
0 0
NNW 0
0 0
0 0
0 0
Variable 0
0 0
0 0
0 0
Total 0
0 0
0 0
0 0
Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
0 F-44
Byron Generating Station Period of Record: October -
December, 2019 Stability Class - Slightly Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 0
0 0
0 0
0 NNE 0
0 0
0 0
0 0
NE 0
0 0
0 0
0 0
ENE 0
2 0
0 0
0 2
E 0
0 0
0 0
0 0
ESE 0
0 0
0 0
0 0
SE 0
0 0
0 0
0 0
SSE 0
0 0
0 0
0 0
s 0
0 0
0 0
0 0
SSW 0
0 0
0 0
0 0
SW 0
0 0
1 0
0 1
WSW 0
0 0
1 0
0 1
w 0
2 0
0 0
0 2
WNW 0
0 7
3 0
0 10 NW 0
0 3
0 0
0 3
NNW 0
1 0
0 0
0 1
Variable 0
0 0
0 0
0 0
Total 0
5 10 5
0 0
20 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
0 F-45
Byron Generating Station Period of Record: October -
December, 2019 Stability Class - Neutral -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
10 21 44 29 0
0 104 NNE 3
7 11 0
0 0
21 NE 2
8 2
2 0
0 14 ENE 3
9 8
1 0
0 21 E
3 33 14 1
0 0
51 ESE 2
4 12 6
0 0
24 SE 0
7 12 5
0 0
24 SSE 3
3 36 9
0 0
51 s
2 6
38 10 0
0 56 SSW 3
24 44 17 1
0 89 SW 3
27 36 12 2
0 80 WSW 3
21 52 18 12 0
106 w
6 24 58 38 10 2
138 WNW 6
36 50 39 8
2 141 NW 11 51 36 34 0
0 132 NNW 2
25 52 22 0
0 101 Variable 0
0 0
0 0
0 0
Total 62 306 505 243 33 4
1153 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
0 F-46
Byron Generating Station Period of Record: October -
December, 2019 Stability Class - Slightly Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
3 5
2 1
0 0
11 NNE 2
2 1
0 0
0 5
NE 2
4 0
1 0
0 7
ENE 1
3 2
1 0
0 7
E 7
20 4
0 0
0 31 ESE 4
10 11 11 7
0 43 SE 2
17 39 7
0 0
65 SSE 6
20 43 12 0
0 81 s
11 27 35 9
0 0
82 SSW 11 20 47 3
0 0
81 SW 6
41 10 3
0 0
60 WSW 11 33 15 6
2 2
69 w
14 38 26 0
0 0
78 WNW 13 29 16 4
0 0
62 NW 9
30 16 0
0 0
55 NNW 6
21 8
0 0
0 35 Variable 0
0 0
0 0
0 0
Total 108 320 275 58 9
2 772 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
0 F-47
Byron Generating Station Period of Record: October -
December, 2019 Stability Class - Moderately Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
2 1
0 0
0 0
3 NNE 1
1 0
0 0
0 2
NE 0
0 0
0 0
0 0
ENE 2
0 1
0 0
0 3
E 1
9 0
0 0
0 10 ESE 0
13 3
0 0
0 16 SE 2
13 5
0 0
0 20 SSE 1
13 9
0 0
0 23 s
6 27 7
0 0
0 40 SSW 4
11 2
0 0
0 17 SW 11 3
0 0
0 0
14 WSW 2
2 0
0 0
0 4
w 2
2 0
0 0
0 4
WNW 7
3 0
0 0
0 10 NW 9
5 0
0 0
0 14 NNW 2
1 0
0 0
0 3
Variable 0
0 0
0 0
0 0
Total 52 104 27 0
0 0
183 Hours of calm in this stability class:
1 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
0 F-48
Byron Generating Station Period of Record: October -
December, 2019 Stability Class -
Extremely Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 30 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 0
0 0
0 0
0 NNE 0
0 0
0 0
0 0
NE 0
0 0
0 0
0 0
ENE 0
0 0
0 0
0 0
E 4
4 0
0 0
0 8
ESE 0
19 4
0 0
0 23 SE 0
12 5
0 0
0 17 SSE 10 2
0 0
0 0
12 s
4 6
0 0
0 0
10 SSW 1
1 0
0 0
0 2
SW 1
0 0
0 0
0 1
WSW 0
0 0
0 0
0 0
w 2
0 0
0 0
0 2
WNW 0
0 0
0 0
0 0
NW 4
0 0
0 0
0 4
NNW 0
0 0
0 0
0 0
Variable 0
0 0
0 0
0 0
Total 2 6 44 9
0 0
0 79 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
0 F-49
Byron Generating Station Period of Record: October -
December, 2019 Stability Class -
Extremely Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 0
0 0
0 0
0 NNE 0
0 0
0 0
0 0
NE 0
0 0
0 0
0 0
ENE 0
0 0
0 0
0 0
E 0
0 0
0 0
0 0
ESE 0
0 0
0 0
0 0
SE 0
0 0
0 0
0 0
SSE 0
0 0
0 0
0 0
s 0
0 0
0 0
0 0
SSW 0
0 0
0 0
0 0
SW 0
0 0
0 0
0 0
WSW 0
0 0
0 0
0 0
w 0
0 0
0 0
0 0
WNW 0
0 0
0 0
0 0
NW 0
0 0
0 0
0 0
NNW 0
0 0
0 0
0 0
Variable 0
0 0
0 0
0 0
Total 0
0 0
0 0
0 0
Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
0 F-50
Byron Generating Station Period of Record: October -
December, 2019 Stability Class - Moderately Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 0
0 0
0 0
0 NNE 0
0 0
0 0
0 0
NE 0
0 0
0 0
0 0
ENE 0
0 0
0 0
0 0
E 0
0 0
0 0
0 0
ESE 0
0 0
0 0
0 0
SE 0
0 0
0 0
0 0
SSE 0
0 0
0 0
0 0
s 0
0 0
0 0
0 0
SSW 0
0 0
0 0
0 0
SW 0
0 0
0 0
0 0
WSW 0
0 0
0 0
0 0
w 0
0 0
0 0
0 0
WNW 0
0 0
0 0
0 0
NW 0
0 0
0 0
0 0
NNW 0
0 0
0 0
0 0
Variable 0
0 0
0 0
0 0
Total 0
0 0
0 0
0 0
Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
0 F-51
Byron Generating Station Period of Record: October -
December, 2019 Stability Class - Slightly Unstable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 0
0 0
0 0
0 NNE 0
0 0
0 0
0 0
NE 0
0 0
0 0
0 0
ENE 0
0 1
0 0
0 1
E 0
0 1
0 0
0 1
ESE 0
0 0
0 0
0 0
SE 0
0 0
0 0
0 0
SSE 0
0 0
0 0
0 0
s 0
0 0
0 0
0 0
SSW 0
0 0
0 0
0 0
SW 0
0 0
0 1
0 1
WSW 0
0 0
1 0
0 1
w 0
0 2
0 0
0 2
WNW 0
0 1
9 0
0 10 NW 0
0 2
1 0
0 3
NNW 0
1 0
0 0
0 1
Variable 0
0 0
0 0
0 0
Total 0
1 7
11 1
0 20 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
0 F-52
Byron Generating Station Period of Record: October -
December, 2019 Stability Class - Neutral -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
3 13 18 40 20 1
95 NNE 1
7 8
8 4
0 28 NE 4
3 6
5 2
0 20 ENE 0
7 5
3 0
0 15 E
1 1 4 23 11 7
2 58 ESE 1
5 3
9 6
2 26 SE 0
2 3
12 4
4 25 SSE 1
1 12 25 4
1 44 s
1 7
17 25 6
4 60 SSW 3
6 33 32 12 6
92 SW 0
8 28 31 2
13 82 WSW 0
6 33 34 11 19 103 w
4 17 25 64 26 15 151 WNW 4
23 17 45 19 14 122 NW 5
30 36 35 24 0
130 NNW 0
18 34 33 17 0
102 Variable 0
0 0
0 0
0 0
Total 28 167 301 41 2 164 81 1153 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
0 F-53
Byron Generating Station Period of Record: October -
December, 2019 Stability Class - Slightly Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 2
9 8
1 0
20 NNE 2
2 3
0 0
0 7
NE 0
0 4
2 1
0 7
ENE 1
2 1
2 1
0 7
E 0
4 13 6
2 0
25 ESE 1
1 1
11 10 13 37 SE 0
1 3
23 18 6
51 SSE 1
5 5
24 31 5
71 s
0 4
12 28 19 5
68 SSW 0
5 16 43 29 1
94 SW 0
7 12 28 13 4
64 WSW 0
3 25 34 12 4
78 w
1 10 28 43 1
0 83 WNW 5
4 21 23 6
0 59 NW 1
4 30 23 1
0 59 NNW 0
13 16 13 0
0 42 Variable 0
0 0
0 0
0 0
Total 12 67 199 311 145 38 772 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
0 F-54
Byron Generating Station Period of Record: October -
December, 2019 Stability Class - Moderately Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
0 4
4 1
0 0
9 NNE 2
0 2
1 0
0 5
NE 0
0 0
0 0
0 0
ENE 0
0 0
0 0
0 0
E 0
4 5
1 1
0 11 ESE 0
1 2
3 4
0 10 SE 0
0 1
7 6
1 15 SSE 0
0 4
2 3
0 9
s 1
1 3
5 8
0 18 SSW 0
3 8
19 10 0
40 SW 0
2 8
11 0
0 21 WSW 0
2 5
2 0
0 9
w 0
3 1
4 0
0 8
WNW 0
3 4
5 0
0 12 NW 1
3 2
2 0
0 8
NNW 0
2 4
3 0
0 9
Variable 0
0 0
0 0
0 0
Total 4
28 53 66 32 l
184 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
0 F-55
Byron Generating Station Period of Record: October -
December, 2019 Stability Class -
Extremely Stable -
250Ft-30Ft Delta-T (F)
Winds Measured at 250 Feet Wind Speed (in mph)
Wind Direction 1-3 4-7 8-12 13-18 19-24
> 24 Total N
1 2
0 0
0 0
3 NNE 0
0 0
0 0
0 0
NE 1
0 0
0 0
0 1
ENE 0
1 0
0 0
0 1
E 0
1 0
3 0
0 4
ESE 0
1 1
4 5
0 11 SE 1
2 0
2 3
0 8
SSE 0
0 6
9 9
0 24 s
0 1
4 8
1 0
14 SSW 0
1 2
2 1
0 6
SW 1
0 2
1 0
0 4
WSW 0
1 1
0 0
0 2
w 0
0 0
0 0
0 0
WNW 0
0 1
0 0
0 1
NW 0
0 0
0 0
0 0
NNW 0
0 0
0 0
0 0
Variable 0
0 0
0 0
0 0
Total 4
10 17 29 19 0
79 Hours of calm in this stability class:
0 Hours of missing wind measurements in this stability class:
0 Hours of missing stability measurements in all stability classes:
0 F-56
APPENDIX G ERRATA DATA
Intentionally left blank