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 | - | 3/6 | 3/10 | 5/17 | 4/18 | 8/50 | 19/60 | 14/35 | 8/13 | 5/8 | 2/2 | 2/3 | 1/4 | 3/9 | 2/6 | 0/4 |
| Feb | 4/6 | 2/3 | 3/5 | 3/8 | 6/16 | 5/38 | 12/37 | 7/24 | 12/19 | 9/11 | 6/8 | 5/8 | 2/8 | 10/16 | 6/7 | 4/6 |
| Mar | 5/5 | 6/9 | 9/14 | 6/13 | 11/17 | 15/39 | 17/37 | 9/15 | 6/9 | 11/13 | 9/12 | 7/10 | 9/14 | 9/19 | 8/11 | 6/8 |
| Apr | 6/6 | 15/19 | 9/14 | 6/13 | 13/22 | 6/18 | 8/20 | 2/8 | 10/12 | 5/6 | 3/4 | 9/9 | 15/27 | 15/26 | 15/22 | 9/10 |
| May | 14/15 | 14/17 | 10/19 | 10/16 | 13/25 | 8/25 | 9/21 | 5/7 | 4/4 | 4/7 | 3/5 | 12/16 | 8/11 | 26/29 | 11/12 | 10/16 |
| Jun | 6/6 | 15/16 | 11/15 | 11/19 | 16/25 | 21/41 | 11/20 | 8/15 | 4/5 | 6/6 | 8/9 | 6/7 | 15/17 | 15/16 | 7/7 | 12/13 |
| Jul | 2/3 | 5/6 | 38/46 | 22/34 | 12/28 | 20/44 | 14/28 | 7/12 | 3/3 | 7/7 | 6/6 | 5/6 | 8/11 | 5/5 | 2/2 | 2/2 |
| Aug | 6/8 | 10/13 | 12/13 | 10/14 | 14/23 | 35/58 | 23/35 | 13/14 | 7/9 | 10/10 | 8/9 | 6/6 | 6/7 | 9/11 | 3/4 | 8/9 |
| Sep | 3/3 | 9/10 | 6/9 | 9/15 | 7/13 | 22/39 | 26/49 | 11/19 | 5/6 | 8/8 | 8/10 | 11/11 | 8/10 | 14/16 | 4/4 | 5/6 |
| Oct | 2/2 | 1/1 | 3/5 | 11/19 | 12/24 | 5/25 | 18/43 | 15/39 | 17/24 | 16/22 | 5/7 | 8/10 | 6/9 | 3/5 | 3/6 | 3/5 |
| Nov | 1/3 | 2/2 | 0/6 | 2/6 | 2/8 | 10/29 | 12/47 | 16/37 | 10/24 | 13/21 | 7/10 | 8/10 | 7/16 | 2/7 | 5/9 | - |
| Dec | 0/1 | - | 1/4 | 6/14 | 6/15 | 3/27 | 3/52 | 16/33 | 15/36 | 9/19 | 5/8 | 0/1 | 3/4 | 3/7 | 3/7 | 1/1 |
| Total | 49/58 | 82/102 | 105/160 | 101/188 | 116/234 | 158/433 | 172/449 | 123/258 | 101/164 | 103/138 | 70/90 | 79/97 | 88/138 | 114/166 | 69/97 | 60/80 |