USGS Streamgage 06837000
Republican River at McCook, Nebr.
Republican River at McCook, Nebr. is USGS streamgage 06837000, monitoring river discharge in hydrologic subbasin 10250004. It drains a watershed of about 12,240 square miles. Discharge records at this site go back to 1931. Typical flow runs near 118.5 cfs in July and 86.6 cfs in April, with the higher of the two arriving in July.
Gauge details
- Drainage area
- 12,240 sq mi
- Gauge elevation
- 2,472 ft
- Subbasin (HUC-8)
- 10250004
- Coordinates
- 40.18755, -100.61891
- USGS site number
- 06837000
- Records begin
- 1931-06-05 (95 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 72 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 26.1 | 75.3 | 155.6 | |
| February | 44.7 | 94.3 | 218 | |
| March | 48.9 | 107.9 | 236.1 | |
| April | 42.9 | 86.6 | 295.5 | |
| May | 30.1 | 67.7 | 293.9 | |
| June | 22.1 | 73.3 | 299.9 | |
| July | 10.1 | 118.5 | 273.4 | |
| August | 1.6 | 91.8 | 242.2 | |
| September | 0.3 | 48.1 | 150.3 | |
| October | 2.7 | 59.8 | 132.5 | |
| November | 15.4 | 79 | 142.8 | |
| December | 21.7 | 76.5 | 138.8 |
All values in cubic feet per second (cfs).