Name of the river

Annual rainfall (mm)

OB-Mean discharge (m3/s)

SIM-Mean river discharge (m3/s)

Size of the Catchment (km2)

Sondu-Miriu

1573

44.92

44.240

3448.542

Nyando

1327

20.37

20.237

3597.808

Awach-Tende

1573

10.54

11.366

686.426

Awach-Kibuon

1573

8.18

8.464

549.149

Kibos

1327

4.67

4.322

560.745