| Station: | San Rafael | Continent: | South America | ||
| River: | Coca | Major Basin : | Napo-Amazonica | ||
| Country: | Ecuador | Discharge into : | |||
| Observation Period: | 1976 - 1978 | Total Months: | 33 | ||
| Latitude (dec deg): | 0.1 S | Area (km2): | 3951 | ||
| Longitude (dec deg): | 77.57 W | Elevation (m): | 770 | ||
| Annual Discharge: (m3/s): | 344.5 | (km3/yr): | 10.7 | ||
| Annual Runoff: (l/s/km2): | 85.5 | (mm/yr): | 2696.7 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 205.3 | 273.2 | 369.0 | 391.7 | 373.7 | 506.0 | 526.3 | 427.7 | 319.0 | 245.5 | 226.0 | 187.7 |
| km3/mo | 0.5 | 0.7 | 1.0 | 1.0 | 1.0 | 1.3 | 1.4 | 1.1 | 0.8 | 0.7 | 0.6 | 0.5 |
| mm/mo | 139.2 | 167.3 | 250.1 | 256.9 | 253.3 | 332.0 | 356.8 | 289.9 | 209.3 | 166.4 | 148.3 | 127.2 |
| l/s/km2 | 52.0 | 69.1 | 93.4 | 99.1 | 94.6 | 128.1 | 133.2 | 108.2 | 80.7 | 62.1 | 57.2 | 47.5 |
