Table 2 Yearly/Monthly discharge flow data of the Rib River (Woldemariam 2004)
From: Evaluation of small hydropower plant at Ribb irrigation dam in Amhara regional state, Ethiopia
Year/Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov |
|---|---|---|---|---|---|---|---|---|---|---|---|
1998 | 0.707 | 0.318 | 0.258 | 0.175 | 1.288 | 3.856 | 48.36 | 66.479 | 43.012 | 12.401 | 3.983 |
1999 | 0.805 | 0.491 | 0.363 | 0.298 | 0.386 | 3.416 | 45.272 | 70.812 | 39.862 | 41.027 | 12.955 |
2000 | 5.046 | 0.467 | 0.303 | 0.987 | 0.682 | 2.009 | 40.953 | 72.013 | 35.076 | 16.198 | 5.193 |
2001 | 0.803 | 0.481 | 0.492 | 0.427 | 0.531 | 15.312 | 57.551 | 73.215 | 26.7 | 5.056 | 1.844 |
2002 | 0.543 | 0.284 | 0.286 | 0.452 | 0.13 | 7.594 | 22.828 | 46.646 | 24.059 | 3.115 | 1.243 |
2003 | 0.704 | 0.509 | 0.565 | 0.131 | 0.062 | 3.974 | 44.273 | 65.973 | 44.303 | 8.415 | 4.071 |
2004 | 1.619 | 1.32 | 1.016 | 1.767 | 1.188 | 3.732 | 36.825 | 54.914 | 19.645 | 5.796 | 2.601 |
2005 | 1.293 | 0.88 | 1.585 | 0.627 | 0.955 | 9.082 | 44.826 | 60.456 | 40.669 | 10.574 | 4.841 |
2006 | 2.508 | 1.963 | 0.56 | 0.758 | 4.998 | 10.279 | 48.824 | 77.908 | 52.278 | 15.246 | 8.555 |
2007 | 5.686 | 4.834 | 3.594 | 4.967 | 6.626 | 19.706 | 62.154 | 75.24 | 50.145 | 12.459 | 8.041 |
Average | 1.9714 | 1.1547 | 0.9022 | 1.0589 | 1.6846 | 7.896 | 45.1866 | 66.3656 | 37.5749 | 13.0287 | 5.3327 |