| Station: | Sam Nang Jin | Continent: | Asia | ||
| River: | Nag Dong | Major Basin : | Sea of Japan | ||
| Country: | South Korea | Discharge into : | Pacific Ocean | ||
| Observation Period: | 1953 - 1972 | Total Months: | 228 | ||
| Latitude (dec deg): | 35.4 N | Area (km2): | 22916 | ||
| Longitude (dec deg): | 128.85 E | Elevation (m): | -1 | ||
| Annual Discharge: (m3/s): | 293.7 | (km3/yr): | 9.2 | ||
| Annual Runoff: (l/s/km2): | 12.7 | (mm/yr): | 400.9 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 74.4 | 98.2 | 165.5 | 271.6 | 188.6 | 202.7 | 830.9 | 559.4 | 609.6 | 224.7 | 143.5 | 109.7 |
| km3/mo | 0.2 | 0.2 | 0.4 | 0.7 | 0.5 | 0.5 | 2.2 | 1.5 | 1.6 | 0.6 | 0.4 | 0.3 |
| mm/mo | 8.7 | 10.4 | 19.3 | 30.7 | 22.0 | 22.9 | 97.1 | 65.4 | 69.0 | 26.3 | 16.2 | 12.8 |
| l/s/km2 | 3.2 | 4.3 | 7.2 | 11.9 | 8.2 | 8.8 | 36.3 | 24.4 | 26.6 | 9.8 | 6.3 | 4.8 |
