USGS Streamgage 06324500
Powder River at Moorhead, MT
Powder River at Moorhead, MT is USGS streamgage 06324500 in Montana, monitoring river discharge in hydrologic subbasin 10090207. It drains a watershed of about 8,029 square miles. Discharge records at this site go back to 1923. Typical flow runs near 236 cfs in July and 408.8 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Montana
- Drainage area
- 8,029 sq mi
- Gauge elevation
- 3,348 ft
- Subbasin (HUC-8)
- 10090207
- Coordinates
- 45.0572, -105.87838
- USGS site number
- 06324500
- Records begin
- 1923-09-30 (103 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 97 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 | 78.9 | 150.2 | 248.2 | |
| February | 90.5 | 202.4 | 527.2 | |
| March | 200.7 | 391.1 | 1,161.3 | |
| April | 232.9 | 408.8 | 800.2 | |
| May | 206.2 | 748.4 | 2,236.8 | |
| June | 105.1 | 1,040.8 | 3,197.7 | |
| July | 24 | 236 | 1,151.7 | |
| August | 9.8 | 75.5 | 375.8 | |
| September | 13.1 | 78.8 | 328.1 | |
| October | 66.5 | 188.4 | 371.2 | |
| November | 97.8 | 218.8 | 354.9 | |
| December | 79.6 | 153.6 | 261.9 |
All values in cubic feet per second (cfs).