| Daily rainfall events | Frequency (events) | Relative Frequency (%) | Return Time (years) |
| 71.5 to 80 mm | 104 | 1.1678 | 0.9 (every 10 months) |
| 80 to 90 mm | 66 | 0.7411 | 1.3 (every 16 months) |
| 90 to 100 mm | 52 | 0.5839 | 1.7 (every 21 months) |
| 100 to 110 mm | 37 | 0.4155 | 2 |
| 110 to 120 mm | 16 | 0.1797 | 6 |
| 120 to 130 mm | 23 | 0.2583 | 4 |
| 130 to 140 mm | 8 | 0.0898 | 11 |
| 140 to 150 mm | 5 | 0.0561 | 18 |
| 150 to 160 mm | 7 | 0.0786 | 13 |
| 160 to 170 mm | 1 | 0.0112 | 90 |
| 170 to 180 mm | 2 | 0.0225 | 45 |
| >180 mm | 2 | 0.0225 | 45 |