Table 8 Evaluation of k m and PMP for Douala
1976-2010 | 1976-2050 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
t | X n | σn | XM | km WMO | PMP WMO | km | PMP | X n | σn | XM | km WMO | PMP WMO | km | PMP |
(min) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | ||||
10 | 48.9 | 21.0 | 104.4 | 5.4 | 162.9 | 3.0 | 111.2 | 38.2 | 17.9 | 104.4 | 5.9 | 144.4 | 4.1 | 112.1 |
30 | 79.3 | 23.8 | 136.2 | 5.9 | 219.7 | 2.5 | 139.1 | 55.2 | 28.3 | 136.2 | 7.1 | 256.7 | 3.1 | 141.7 |
60 | 98.5 | 28.5 | 192.2 | 6.1 | 271.9 | 4.1 | 214.4 | 68.8 | 34.6 | 192.2 | 7.3 | 322.5 | 4.0 | 205.5 |
180 | 108.4 | 34.2 | 210.0 | 6.4 | 325.6 | 3.5 | 228.7 | 76.7 | 38.7 | 210.0 | 8.6 | 410.7 | 3.8 | 223.3 |
360 | 126.7 | 39.5 | 246.0 | 9.0 | 480.7 | 3.6 | 268.9 | 94.3 | 42.2 | 246.0 | 11.1 | 563.2 | 4.0 | 262.6 |
720 | 148.2 | 45.7 | 288.2 | 10.7 | 635.6 | 3.7 | 315.9 | 117.0 | 45.8 | 288.2 | 11.9 | 661.5 | 4.2 | 308.6 |
1440 | 161.6 | 53.1 | 320.0 | 13.2 | 863.2 | 3.5 | 349.7 | 134.5 | 49.6 | 320.0 | 14.2 | 840.1 | 4.2 | 342.2 |