| Wet Years | ||||||||||||
| Rainfall mm | ||||||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 1979 | 0.10 | 24.60 | 0.10 | 0.10 | 13.60 | 0.10 | 0.00 | 0.00 | 0.00 | 17.50 | 0.30 | 4.50 |
| 1982 | 2.00 | 2.10 | 0.50 | 25.60 | 20.90 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 15.50 | 0.00 |
| 1985 | 0.30 | 1.50 | 3.10 | 4.30 | 0.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 10.90 | 59.40 |
| 1986 | 0.70 | 0.00 | 18.50 | 12.70 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 17.00 | 0.00 |
| 1987 | 0.00 | 0.50 | 0.40 | 0.00 | 0.20 | 0.00 | 0.00 | 0.30 | 0.00 | 26.30 | 0.00 | 14.40 |
| 1988 | 9.50 | 0.20 | 1.10 | 13.00 | 2.20 | 0.00 | 0.00 | 0.00 | 0.00 | 52.70 | 0.00 | 22.20 |
| 1989 | 21.00 | 0.00 | 6.00 | 1.50 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 19.50 | 18.10 |
| 1991 | 36.20 | 0.20 | 24.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.00 | 0.00 | 1.10 |
| 1994 | 5.20 | 0.60 | 0.00 | 0.20 | 1.50 | 0.00 | 0.00 | 0.00 | 1.90 | 25.00 | 13.40 | 0.30 |
| 2010 | 38.80 | 0.00 | 0.70 | 0.10 | 5.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.30 |
| 2013 | 75.60 | 5.50 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 9.80 |
| Total | 189.40 | 35.20 | 54.60 | 57.50 | 45.00 | 0.10 | 0.00 | 0.30 | 3.00 | 129.60 | 76.60 | 134.10 |
| Mean | 17.22 | 3.20 | 4.96 | 5.23 | 4.09 | 0.01 | 0.00 | 0.03 | 0.27 | 11.78 | 6.96 | 12.19 |
| Stdev | 24.15 | 7.28 | 8.39 | 8.40 | 6.86 | 0.03 | 0.00 | 0.09 | 0.62 | 17.06 | 8.21 | 17.49 |
| CV | 1.40 | 2.28 | 1.69 | 1.61 | 1.68 | 3.32 | 0.00 | 3.32 | 2.26 | 1.45 | 1.18 | 1.43 |
| Max | 75.60 | 24.60 | 24.20 | 25.60 | 20.90 | 0.10 | 0.00 | 0.30 | 1.90 | 52.70 | 19.50 | 59.40 |