Rows = month | Columns = wind direction (CCW from N) | Cells = RF flyable days (at alignment 0.9) / total days (wind 4–40 km/h)
| N | NNW | NW | WNW | W | WSW | SW | SSW | S | SSE | SE | ESE | E | ENE | NE | NNE | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 1/2 | 4/6 | 9/13 | 6/14 | 11/25 | 23/58 | 20/40 | 11/25 | 12/20 | 6/8 | 5/5 | 4/4 | 4/6 | 5/7 | 5/5 | 1/2 |
| Feb | 0/1 | 4/5 | 7/8 | 2/7 | 10/22 | 17/43 | 5/15 | 16/29 | 21/27 | 7/8 | 7/9 | 5/6 | 9/11 | 9/15 | 7/8 | 4/5 |
| Mar | 2/3 | 5/6 | 17/19 | 14/20 | 14/23 | 19/36 | 7/18 | 8/12 | 15/19 | 10/10 | 13/15 | 8/9 | 10/18 | 13/20 | 6/6 | 6/10 |
| Apr | 9/9 | 13/14 | 13/17 | 10/16 | 15/22 | 15/27 | 3/6 | 5/8 | 11/12 | 6/6 | 8/8 | 10/11 | 20/30 | 22/27 | 13/16 | 3/4 |
| May | 16/17 | 14/14 | 18/23 | 11/16 | 26/35 | 9/22 | 14/18 | 3/5 | 5/6 | 5/5 | 3/6 | 9/11 | 25/27 | 20/23 | 9/10 | 8/9 |
| Jun | 4/4 | 13/13 | 15/16 | 21/28 | 19/30 | 25/33 | 12/15 | 13/16 | 5/5 | 9/9 | 12/12 | 8/8 | 9/11 | 19/19 | 7/7 | 10/12 |
| Jul | 2/2 | 5/5 | 36/39 | 33/40 | 30/43 | 23/36 | 15/21 | 12/14 | 2/2 | 7/7 | 8/9 | 5/5 | 8/9 | 6/7 | 3/3 | - |
| Aug | 7/7 | 12/12 | 14/14 | 18/20 | 20/29 | 42/51 | 18/21 | 17/17 | 13/13 | 9/10 | 9/10 | 4/4 | 8/9 | 9/10 | 7/7 | 6/6 |
| Sep | 4/4 | 6/7 | 11/11 | 9/16 | 21/27 | 27/38 | 22/27 | 18/23 | 12/12 | 7/7 | 14/16 | 7/7 | 9/12 | 15/17 | 3/4 | 3/4 |
| Oct | 2/3 | 1/1 | 3/5 | 18/25 | 10/25 | 14/32 | 23/28 | 22/34 | 25/31 | 15/16 | 10/10 | 9/10 | 9/12 | 2/3 | 2/3 | 5/5 |
| Nov | 1/1 | 2/3 | 2/3 | 4/9 | 11/18 | 14/29 | 18/30 | 20/23 | 24/35 | 17/24 | 9/10 | 10/13 | 11/17 | 7/11 | 4/5 | - |
| Dec | - | 0/2 | 4/4 | 11/15 | 11/25 | 16/30 | 19/32 | 19/26 | 25/32 | 17/20 | 8/11 | 6/7 | 2/2 | 7/10 | 3/3 | 1/3 |
| Total | 48/53 | 79/88 | 149/172 | 157/226 | 198/324 | 244/435 | 176/271 | 164/232 | 170/214 | 115/130 | 106/121 | 85/95 | 124/164 | 134/169 | 69/77 | 47/60 |