| Station: | Ballyduff | Continent: | Europe | ||
| River: | Blackwater | Major Basin : | Atlantic Ocean | ||
| Country: | Ireland | Discharge into : | |||
| Observation Period: | 1973 - 1979 | Total Months: | 72 | ||
| Latitude (dec deg): | 52.15 N | Area (km2): | 1440 | ||
| Longitude (dec deg): | 8.05 W | Elevation (m): | 7 | ||
| Annual Discharge: (m3/s): | 57.2 | (km3/yr): | 1.8 | ||
| Annual Runoff: (l/s/km2): | 39.7 | (mm/yr): | 1252.1 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 104.8 | 112.6 | 76.4 | 44.0 | 37.9 | 23.6 | 16.6 | 16.9 | 29.0 | 42.8 | 67.4 | 117.3 |
| km3/mo | 0.3 | 0.3 | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 0.1 | 0.2 | 0.3 |
| mm/mo | 194.8 | 189.2 | 142.1 | 79.2 | 70.5 | 42.5 | 30.8 | 31.4 | 52.2 | 79.7 | 121.4 | 218.2 |
| l/s/km2 | 72.7 | 78.2 | 53.1 | 30.6 | 26.3 | 16.4 | 11.5 | 11.7 | 20.1 | 29.7 | 46.8 | 81.5 |
