| Station: | De Pontois | Continent: | North America | ||
| River: | Grande Riviere | Major Basin : | James Bay | ||
| Country: | Canada | Discharge into : | Hudson Bay | ||
| Observation Period: | 1966 - 1979 | Total Months: | 168 | ||
| Latitude (dec deg): | 53.63 N | Area (km2): | 37000 | ||
| Longitude (dec deg): | 74.53 W | Elevation (m): | 236 | ||
| Annual Discharge: (m3/s): | 760.9 | (km3/yr): | 24.0 | ||
| Annual Runoff: (l/s/km2): | 20.6 | (mm/yr): | 648.8 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 378.0 | 274.3 | 216.3 | 207.4 | 904.1 | 1570.9 | 1143.6 | 1024.2 | 960.7 | 970.9 | 829.4 | 624.6 |
| km3/mo | 1.0 | 0.7 | 0.6 | 0.5 | 2.4 | 4.1 | 3.1 | 2.7 | 2.5 | 2.6 | 2.1 | 1.7 |
| mm/mo | 27.4 | 17.9 | 15.7 | 14.5 | 65.4 | 110.0 | 82.8 | 74.1 | 67.3 | 70.3 | 58.1 | 45.2 |
| l/s/km2 | 10.2 | 7.4 | 5.8 | 5.6 | 24.4 | 42.5 | 30.9 | 27.7 | 26.0 | 26.2 | 22.4 | 16.9 |
