| Gauge station | Observation years | Data length (Day) | Mean flowrate (m3/s) | Maximum flowrate (m3/s) | Minimum flowrate (m3/s) | Standart deviation (σ) |
| 1401 | 1976-2002 | 9500 | 69.95 | 981 | 2.89 | 78.94 |
| 1412 | 1976-2002 | 9500 | 6.98 | 125 | 0.77 | 9.181 |
| 1414 | 1976-2002 | 9500 | 4.30 | 75 | 0.81 | 5.90 |
| 1418 | 1976-2002 | 9500 | 18.70 | 140 | 1.02 | 23.60 |