| Months | January | February | March | April | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. |
| Mean | 8.38 | 23.37 | 78.59 | 151.6 | 215.6 | 244.88 | 299.8 | 267.3 | 309.9 | 228 | 48.25 | 11.01 |
| Maximum | 58 | 131.8 | 215.7 | 352.6 | 434.3 | 385 | 524.8 | 535.2 | 615.6 | 359.5 | 257 | 62.9 |
| Minimum | 0 | 0 | 10.3 | 15.3 | 119.1 | 100.8 | 115.2 | 100.7 | 188.1 | 34.2 | 0 | 0 |
| Median | 4.85 | 19.8 | 69.05 | 137.4 | 208.3 | 242.85 | 304 | 230.6 | 311.1 | 228.9 | 34.65 | 4.7 |
| Standard Deviation | 13.36 | 24.48 | 48.29 | 64.1 | 63.8 | 54.1 | 93.1 | 113.6 | 80.3 | 75.4 | 53.29 | 15.25 |
| Coefficient of Variation | 159.38 | 104.74 | 61.44 | 42.3 | 29.59 | 22.09 | 31.06 | 42.51 | 25.91 | 33.05 | 110.4 | 138.44 |