| Station: | Ojiya | Continent: | Asia | ||
| River: | Shinano | Major Basin : | Sea of Japan | ||
| Country: | Japan | Discharge into : | Pacific Ocean | ||
| Observation Period: | 1965 - 1984 | Total Months: | 227 | ||
| Latitude (dec deg): | 37.3 N | Area (km2): | 9719 | ||
| Longitude (dec deg): | 138.8 E | Elevation (m): | 40 | ||
| Annual Discharge: (m3/s): | 541.5 | (km3/yr): | 17.1 | ||
| Annual Runoff: (l/s/km2): | 55.7 | (mm/yr): | 1755.2 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 326.1 | 345.1 | 573.7 | 1068.6 | 781.6 | 604.1 | 609.3 | 439.8 | 568.4 | 381.1 | 405.0 | 385.0 |
| km3/mo | 0.9 | 0.8 | 1.5 | 2.8 | 2.1 | 1.6 | 1.6 | 1.2 | 1.5 | 1.0 | 1.0 | 1.0 |
| mm/mo | 89.9 | 85.9 | 158.1 | 285.0 | 215.4 | 161.1 | 167.9 | 121.2 | 151.6 | 105.0 | 108.0 | 106.1 |
| l/s/km2 | 33.5 | 35.5 | 59.0 | 110.0 | 80.4 | 62.2 | 62.7 | 45.3 | 58.5 | 39.2 | 41.7 | 39.6 |
