| Station: | Vernalis, California | Continent: | North America | ||
| River: | San Joaquin | Major Basin : | Pacific Ocean | ||
| Country: | United States | Discharge into : | Pacific Ocean | ||
| Observation Period: | 1965 - 1984 | Total Months: | 240 | ||
| Latitude (dec deg): | 37.68 N | Area (km2): | 35058 | ||
| Longitude (dec deg): | 121.26 W | Elevation (m): | 0 | ||
| Annual Discharge: (m3/s): | 156.8 | (km3/yr): | 4.9 | ||
| Annual Runoff: (l/s/km2): | 4.5 | (mm/yr): | 141.0 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 213.5 | 244.9 | 261.2 | 238.6 | 215.6 | 177.7 | 88.2 | 51.0 | 81.5 | 94.6 | 88.7 | 132.8 |
| km3/mo | 0.6 | 0.6 | 0.7 | 0.6 | 0.6 | 0.5 | 0.2 | 0.1 | 0.2 | 0.3 | 0.2 | 0.4 |
| mm/mo | 16.3 | 16.9 | 20.0 | 17.6 | 16.5 | 13.1 | 6.7 | 3.9 | 6.0 | 7.2 | 6.6 | 10.1 |
| l/s/km2 | 6.1 | 7.0 | 7.5 | 6.8 | 6.2 | 5.1 | 2.5 | 1.5 | 2.3 | 2.7 | 2.5 | 3.8 |
