| Station: | Old Crow | Continent: | North America | ||
| River: | Porcupine | Major Basin : | Yukon | ||
| Country: | Canada | Discharge into : | Bering Sea | ||
| Observation Period: | 1966 - 1984 | Total Months: | 196 | ||
| Latitude (dec deg): | 67.56 N | Area (km2): | 55400 | ||
| Longitude (dec deg): | 139.83 W | Elevation (m): | 240 | ||
| Annual Discharge: (m3/s): | 312.6 | (km3/yr): | 10.0 | ||
| Annual Runoff: (l/s/km2): | 5.7 | (mm/yr): | 180.0 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 21.0 | 17.8 | 16.3 | 16.5 | 983.5 | 1179.1 | 416.1 | 530.4 | 373.4 | 134.8 | 54.9 | 34.0 |
| km3/mo | 0.1 | 0.0 | 0.0 | 0.0 | 2.6 | 3.1 | 1.1 | 1.4 | 1.0 | 0.4 | 0.1 | 0.1 |
| mm/mo | 1.0 | 0.8 | 0.8 | 0.8 | 47.5 | 55.2 | 20.1 | 25.6 | 17.5 | 6.5 | 2.6 | 1.6 |
| l/s/km2 | 0.4 | 0.3 | 0.3 | 0.3 | 17.8 | 21.3 | 7.5 | 9.6 | 6.7 | 2.4 | 1.0 | 0.6 |
