USGS Streamgage 06430500
Redwater Creek at Wy-Sd State Line
Redwater Creek at Wy-Sd State Line is USGS streamgage 06430500, monitoring river discharge in hydrologic subbasin 10120203. It drains a watershed of about 479 square miles. Discharge records at this site go back to 1929. Typical flow runs near 25.7 cfs in July and 36.5 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 479 sq mi
- Gauge elevation
- 3,419 ft
- Subbasin (HUC-8)
- 10120203
- Coordinates
- 44.57186, -104.05364
- USGS site number
- 06430500
- Records begin
- 1929-05-01 (97 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 | 24.5 | 33.1 | 47.1 | |
| February | 25 | 33.4 | 47.2 | |
| March | 25.7 | 34.1 | 49.7 | |
| April | 24.7 | 36.5 | 64 | |
| May | 19.9 | 41 | 106.6 | |
| June | 14.9 | 40.5 | 84.8 | |
| July | 7.4 | 25.7 | 51.3 | |
| August | 9.5 | 23.7 | 47.6 | |
| September | 14.1 | 26.9 | 44.8 | |
| October | 17.2 | 31.1 | 46.5 | |
| November | 24.3 | 34.8 | 49.4 | |
| December | 25.4 | 34 | 47.9 |
All values in cubic feet per second (cfs).