| Station: | Hughes, Alaska | Continent: | North America | ||
| River: | Koyukuk | Major Basin : | Yukon | ||
| Country: | United States | Discharge into : | Bering Sea | ||
| Observation Period: | 1965 - 1982 | Total Months: | 213 | ||
| Latitude (dec deg): | 66.3 N | Area (km2): | 48433 | ||
| Longitude (dec deg): | 154.25 W | Elevation (m): | 76 | ||
| Annual Discharge: (m3/s): | 377.9 | (km3/yr): | 11.8 | ||
| Annual Runoff: (l/s/km2): | 7.7 | (mm/yr): | 243.8 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 24.2 | 18.2 | 15.4 | 16.8 | 936.7 | 1380.6 | 588.8 | 633.4 | 507.3 | 239.5 | 74.8 | 39.5 |
| km3/mo | 0.1 | 0.0 | 0.0 | 0.0 | 2.5 | 3.6 | 1.6 | 1.7 | 1.3 | 0.6 | 0.2 | 0.1 |
| mm/mo | 1.3 | 0.9 | 0.9 | 0.9 | 51.8 | 73.9 | 32.6 | 35.0 | 27.1 | 13.2 | 4.0 | 2.2 |
| l/s/km2 | 0.5 | 0.4 | 0.3 | 0.3 | 19.3 | 28.5 | 12.2 | 13.1 | 10.5 | 4.9 | 1.5 | 0.8 |
