Table 10.   Storm precipitation in La Leche climatological stations.1
Method Return period (yr) Station
Puchaca 2 Tocmoche 3 Incahuasi 4
Log Pearson III 100 229 131 78
10000 565 202 167
Gumbel 100 184 137 78
10000 340 245 130
Adopted 100 207 134 78
10000 453 224 149
Ppsh (principal spillway hydrograph) 207 134 78
Pesh (emergency spillway hydrograph) 271 157 96
Pfbh (freeboard hydrograph) 453 224 149
1 24-hr storm precipitation in mm.
2 Elevation = 355 m.a.m.s.l.
3 Elevation = 1,450 m.a.m.s.l.
4 Elevation = 3,078 m.a.m.s.l.