| Station: | Jonchon | Continent: | Asia | ||
| River: | Zangzagang | Major Basin : | Amnokgang | ||
| Country: | North Korea | Discharge into : | Pacific Ocean | ||
| Observation Period: | 1976 - 1984 | Total Months: | 108 | ||
| Latitude (dec deg): | 40.66 N | Area (km2): | 2192 | ||
| Longitude (dec deg): | 126.45 E | Elevation (m): | 372 | ||
| Annual Discharge: (m3/s): | 43.1 | (km3/yr): | 1.4 | ||
| Annual Runoff: (l/s/km2): | 19.7 | (mm/yr): | 620.6 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 5.1 | 4.0 | 9.6 | 58.1 | 69.6 | 49.5 | 107.5 | 135.3 | 32.7 | 15.9 | 16.8 | 9.2 |
| km3/mo | 0.0 | 0.0 | 0.0 | 0.2 | 0.2 | 0.1 | 0.3 | 0.4 | 0.1 | 0.0 | 0.0 | 0.0 |
| mm/mo | 6.2 | 4.5 | 11.8 | 68.7 | 85.1 | 58.5 | 131.4 | 165.3 | 38.7 | 19.5 | 19.9 | 11.2 |
| l/s/km2 | 2.3 | 1.8 | 4.4 | 26.5 | 31.8 | 22.6 | 49.1 | 61.7 | 14.9 | 7.3 | 7.7 | 4.2 |
