| Station: | Ishikari - Ohashi | Continent: | Asia | ||
| River: | Ishikari | Major Basin : | Sea of Japan | ||
| Country: | Japan | Discharge into : | Pacific Ocean | ||
| Observation Period: | 1954 - 1984 | Total Months: | 359 | ||
| Latitude (dec deg): | 43.11 N | Area (km2): | 12697 | ||
| Longitude (dec deg): | 141.53 E | Elevation (m): | 0 | ||
| Annual Discharge: (m3/s): | 469.0 | (km3/yr): | 14.8 | ||
| Annual Runoff: (l/s/km2): | 36.9 | (mm/yr): | 1164.5 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 225.9 | 209.8 | 300.5 | 1183.3 | 832.3 | 366.6 | 310.0 | 536.6 | 433.8 | 421.2 | 441.8 | 357.1 |
| km3/mo | 0.6 | 0.5 | 0.8 | 3.1 | 2.2 | 1.0 | 0.8 | 1.4 | 1.1 | 1.1 | 1.1 | 1.0 |
| mm/mo | 47.7 | 40.0 | 63.4 | 241.6 | 175.6 | 74.8 | 65.4 | 113.2 | 88.6 | 88.8 | 90.2 | 75.3 |
| l/s/km2 | 17.8 | 16.5 | 23.7 | 93.2 | 65.6 | 28.9 | 24.4 | 42.3 | 34.2 | 33.2 | 34.8 | 28.1 |
