| Month | Total rainfall amount (mm) | Avg. PM10/day time |
| Jan. | 260.1 | 63.75 |
| Feb. | 268.5 | 60.75 |
| Mar. | 101.2 | 61.25 |
| Apr. | 11.6 | 65.5 |
| May | 0.5 | 77.2 |
| Jun. | 0 | 88.75 |
| Jul. | 0 | 145.4 |
| Aug. | 0 | 168.75 |
| Sept. | 1.5 | 161 |
| Oct. | 32.7 | 166 |
| Nov. | 94.8 | 114.5 |
| Dec. | 117 | 96 |