| Station: | Kostomarovo | Continent: | Europe | ||
| River: | Oka | Major Basin : | Volga | ||
| Country: | Russia | Discharge into : | Caspian Sea | ||
| Observation Period: | 1965 - 1984 | Total Months: | 240 | ||
| Latitude (dec deg): | 53.08 N | Area (km2): | 4900 | ||
| Longitude (dec deg): | 36.03 E | Elevation (m): | 145 | ||
| Annual Discharge: (m3/s): | 21.7 | (km3/yr): | 0.7 | ||
| Annual Runoff: (l/s/km2): | 4.4 | (mm/yr): | 139.4 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 11.2 | 14.1 | 59.4 | 83.7 | 14.7 | 10.9 | 11.0 | 9.8 | 9.1 | 9.8 | 11.8 | 14.6 |
| km3/mo | 0.0 | 0.0 | 0.2 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| mm/mo | 6.1 | 7.0 | 32.5 | 44.3 | 8.0 | 5.7 | 6.0 | 5.3 | 4.8 | 5.4 | 6.3 | 8.0 |
| l/s/km2 | 2.3 | 2.9 | 12.1 | 17.1 | 3.0 | 2.2 | 2.2 | 2.0 | 1.9 | 2.0 | 2.4 | 3.0 |
