Table 10. Storm precipitation in La Leche climatological
stations.1
|
Method
| Return period (yr)
| Station
Puchaca 2
| Tocmoche 3
| Incahuasi 4
|
Log Pearson III |
100 |
225 |
134 |
77 |
| 10000 |
472 |
191 |
155 |
Gumbel |
100 |
188 |
146 |
77 |
10000 |
345 |
260 |
127 |
Adopted |
100 |
207 |
140 |
77 |
10000 |
409 |
226 |
141 |
Ppsh (principal spillway hydrograph) |
207 |
140 |
77 |
Pesh (emergency spillway hydrograph) |
260 |
162 |
94 |
Pfbh (freeboard hydrograph) |
409 |
226 |
141 |
1 24-hr storm precipitation in mm.
2 Elev. = 500 m.
3 Elev. = 1,380 m.
4 Elev. = 2,740 m.
|