| Sr.No | Rain gauge Station | Area (km2) | Weights (%) |
| 1 | Begumganj | 1153.56 | 41 |
| 2 | Kurwai | 734.01 | 26 |
| 3 | Gairatganj | 521.23 | 18 |
| 4 | Gyaraspur | 413.64 | 15 |