| Station: | Heishiguan | Continent: | Asia | ||
| River: | Yiluo | Major Basin : | Huang He | ||
| Country: | China | Discharge into : | Pacific Ocean | ||
| Observation Period: | 1980 - 1982 | Total Months: | 36 | ||
| Latitude (dec deg): | 34.71 N | Area (km2): | 18600 | ||
| Longitude (dec deg): | 112.93 E | Elevation (m): | |||
| Annual Discharge: (m3/s): | 75.3 | (km3/yr): | 2.4 | ||
| Annual Runoff: (l/s/km2): | 4.0 | (mm/yr): | 127.7 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 30.2 | 24.7 | 26.2 | 39.7 | 7.7 | 44.1 | 127.2 | 297.0 | 126.5 | 92.7 | 53.0 | 28.7 |
| km3/mo | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.1 | 0.3 | 0.8 | 0.3 | 0.2 | 0.1 | 0.1 |
| mm/mo | 4.3 | 3.2 | 3.8 | 5.5 | 1.1 | 6.1 | 18.3 | 42.8 | 17.6 | 13.3 | 7.4 | 4.1 |
| l/s/km2 | 1.6 | 1.3 | 1.4 | 2.1 | 0.4 | 2.4 | 6.8 | 16.0 | 6.8 | 5.0 | 2.8 | 1.5 |
