| Station: | Ust-Ulma | Continent: | Asia | ||
| River: | Selemdhza | Major Basin : | Zeya | ||
| Country: | Russia | Discharge into : | Pacific Ocean | ||
| Observation Period: | 1965 - 1984 | Total Months: | 240 | ||
| Latitude (dec deg): | 51.95 N | Area (km2): | 67000 | ||
| Longitude (dec deg): | 129.12 E | Elevation (m): | 169 | ||
| Annual Discharge: (m3/s): | 659.0 | (km3/yr): | 20.8 | ||
| Annual Runoff: (l/s/km2): | 9.8 | (mm/yr): | 310.4 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 29.5 | 16.8 | 13.0 | 195.0 | 1333.2 | 1167.7 | 1444.2 | 1544.1 | 1397.3 | 540.6 | 116.6 | 61.1 |
| km3/mo | 0.1 | 0.0 | 0.0 | 0.5 | 3.6 | 3.0 | 3.9 | 4.1 | 3.6 | 1.4 | 0.3 | 0.2 |
| mm/mo | 1.2 | 0.6 | 0.5 | 7.5 | 53.3 | 45.2 | 57.7 | 61.7 | 54.1 | 21.6 | 4.5 | 2.4 |
| l/s/km2 | 0.4 | 0.3 | 0.2 | 2.9 | 19.9 | 17.4 | 21.6 | 23.0 | 20.9 | 8.1 | 1.7 | 0.9 |
