| Station: | Kirihashi | Continent: | Asia | ||
| River: | Tone | Major Basin : | Pacific Ocean | ||
| Country: | Japan | Discharge into : | Pacific Ocean | ||
| Observation Period: | 1938 - 1984 | Total Months: | 540 | ||
| Latitude (dec deg): | 36.13 N | Area (km2): | 8588 | ||
| Longitude (dec deg): | 139.7 E | Elevation (m): | 11 | ||
| Annual Discharge: (m3/s): | 254.1 | (km3/yr): | 8.0 | ||
| Annual Runoff: (l/s/km2): | 29.6 | (mm/yr): | 933.4 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 108.8 | 109.6 | 143.2 | 269.5 | 258.0 | 284.8 | 375.2 | 376.3 | 454.6 | 331.7 | 188.7 | 141.9 |
| km3/mo | 0.3 | 0.3 | 0.4 | 0.7 | 0.7 | 0.7 | 1.0 | 1.0 | 1.2 | 0.9 | 0.5 | 0.4 |
| mm/mo | 33.9 | 30.9 | 44.7 | 81.3 | 80.5 | 86.0 | 117.0 | 117.4 | 137.2 | 103.4 | 56.9 | 44.3 |
| l/s/km2 | 12.7 | 12.8 | 16.7 | 31.4 | 30.0 | 33.2 | 43.7 | 43.8 | 52.9 | 38.6 | 22.0 | 16.5 |
