| Station: | Ulan-Bator | Continent: | Asia | ||
| River: | Tola | Major Basin : | Orkhon | ||
| Country: | Mongolia | Discharge into : | Kara Sea | ||
| Observation Period: | 1976 - 1984 | Total Months: | 108 | ||
| Latitude (dec deg): | 47.9 N | Area (km2): | 6300 | ||
| Longitude (dec deg): | 106.91 E | Elevation (m): | 1254 | ||
| Annual Discharge: (m3/s): | 22.8 | (km3/yr): | 0.7 | ||
| Annual Runoff: (l/s/km2): | 3.6 | (mm/yr): | 114.2 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 0.0 | 0.0 | 0.4 | 3.9 | 25.8 | 51.3 | 68.4 | 67.7 | 36.9 | 13.6 | 3.4 | 0.2 |
| km3/mo | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.2 | 0.2 | 0.1 | 0.0 | 0.0 | 0.0 |
| mm/mo | 0.0 | 0.0 | 0.2 | 1.6 | 11.0 | 21.1 | 29.1 | 28.8 | 15.2 | 5.8 | 1.4 | 0.1 |
| l/s/km2 | 0.0 | 0.0 | 0.1 | 0.6 | 4.1 | 8.1 | 10.9 | 10.7 | 5.9 | 2.2 | 0.5 | 0.0 |
