| Station: | Green Island, N.Y. | Continent: | North America | ||
| River: | Hudson | Major Basin : | Atlantic Ocean | ||
| Country: | United States | Discharge into : | Atlantic Ocean | ||
| Observation Period: | 1946 - 1984 | Total Months: | 463 | ||
| Latitude (dec deg): | 42.75 N | Area (km2): | 20953 | ||
| Longitude (dec deg): | 73.68 W | Elevation (m): | 0 | ||
| Annual Discharge: (m3/s): | 388.8 | (km3/yr): | 12.2 | ||
| Annual Runoff: (l/s/km2): | 18.5 | (mm/yr): | 584.6 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 377.9 | 407.8 | 630.9 | 884.6 | 550.9 | 295.5 | 191.0 | 160.8 | 182.0 | 240.0 | 332.4 | 413.2 |
| km3/mo | 1.0 | 1.0 | 1.7 | 2.3 | 1.5 | 0.8 | 0.5 | 0.4 | 0.5 | 0.6 | 0.9 | 1.1 |
| mm/mo | 48.3 | 47.1 | 80.7 | 109.4 | 70.4 | 36.6 | 24.4 | 20.6 | 22.5 | 30.7 | 41.1 | 52.8 |
| l/s/km2 | 18.0 | 19.5 | 30.1 | 42.2 | 26.3 | 14.1 | 9.1 | 7.7 | 8.7 | 11.5 | 15.9 | 19.7 |
