| Station: | Reforma | Continent: | North America | ||
| River: | Grijalva | Major Basin : | Gulf of Mexico | ||
| Country: | Mexico | Discharge into : | Atlantic Ocean | ||
| Observation Period: | 1976 - 1978 | Total Months: | 36 | ||
| Latitude (dec deg): | 16.35 N | Area (km2): | 37702 | ||
| Longitude (dec deg): | 93.23 W | Elevation (m): | 18 | ||
| Annual Discharge: (m3/s): | 143.9 | (km3/yr): | 4.5 | ||
| Annual Runoff: (l/s/km2): | 3.8 | (mm/yr): | 120.4 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 131.3 | 143.6 | 131.7 | 150.0 | 150.3 | 154.3 | 124.0 | 120.0 | 116.5 | 161.7 | 178.0 | 166.7 |
| km3/mo | 0.4 | 0.3 | 0.4 | 0.4 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.4 | 0.5 | 0.4 |
| mm/mo | 9.3 | 9.2 | 9.4 | 10.3 | 10.7 | 10.6 | 8.8 | 8.5 | 8.0 | 11.5 | 12.2 | 11.8 |
| l/s/km2 | 3.5 | 3.8 | 3.5 | 4.0 | 4.0 | 4.1 | 3.3 | 3.2 | 3.1 | 4.3 | 4.7 | 4.4 |
