Station Season S-Value P-value Z-value Sen’s Slope CV %
Akaki Arfaasaa -25.00 0.363 -0.909 -0.097 105.51
Ganna -69.00 0.016 -2.379 -2.321 86.33
Birraa -95.00 0.006 -3.289 -1.053 99.23
Bona -47.00 0.081 -1.742 -0.158 111.56
Annual -55.00 0.041 -2.045 -0.839 82.33
Awash Ballo Arfaasaa -63.00 0.080 -1.748 -0.034 81.47
Ganna 97.00 0.007 2.707 0.492 18.43
Birraa 71.00 0.048 1.974 0.252 24.42
Bona -143.00 0.014 -2.446 -0.021 44.60
Annual 75.00 0.037 2.087 0.143 17.31
Berga Arfaasaa 48.00 0.156 1.419 0.026 86.04
Ganna 67.00 0.063 1.861 0.203 39.40
Birraa 55.00 0.128 1.523 0.081 81.25
Bona -20.00 0.959 -0.030 -0.004 194.24
Annual 77.00 0.032 2.143 0.097 54.22
Holota Arfaasaa 2.00 0.976 0.030 0.001 45.10
Ganna -4.00 0.928 -0.091 -0.002 29.99
Birraa -20.00 0.566 -0.574 -0.027 53.10
Bona 34.00 0.319 0.996 0.004 57.67
Annual -24.00 0.487 -0.694 -0.010 33.01
Melka Kunture Arfaasaa 27.00 0.543 0.607 0.143 70.52
Ganna 69.00 0.112 1.59 1.307 28.43
Birraa 9.00 0.851 0.187 0.122 31.32
Bona -40.00 0.333 -0.967 -0.0131 24.25
Annual 51.00 0.243 1.168 0.323 26.86
Hombole Arfaasaa 52.00 0.233 1.191 0.123 48.96
Ganna -46.00 0.293 -1.051 -1.047 31.72
Birraa 14.00 0.761 0.304 0.249 33.79
Bona 38.00 0.359 0.918 0.024 21.52
Annual -24.00 0.591 -0.537 -0.173 27.95
Mojo Arfaasaa -14.00 0.761 -3.036 -0.14 372.31
Ganna -56.00 0.172 -1.364 -0.483 104.10
Birraa -122.00 0.0471 -2.825 -0.0839 165.44
Bona 58.00 0.183 1.331 0.005 461.97
Annual -72.00 0.078 -1.761 -0.302 137.47