Frequency of fog (min) | Visibility (m) | ||||||
1000 - 500 | 500 - 400 | 400 - 300 | 300 - 200 | 200 - 100 | Below 100 | Total | |
Jan. | 348 | 21 | 6 | 0 | 0 | 0 | 375 |
Feb. | 436 | 99 | 71 | 45 | 68 | 207 | 926 |
Mar. | 154 | 26 | 26 | 63 | 363 | 28 | 660 |
Apr. | 27 | 0 | 0 | 0 | 0 | 0 | 27 |
May | 52 | 17 | 22 | 84 | 156 | 0 | 331 |