USGS Streamgage 06066500
Missouri River below Holter Dam near Wolf Creek, MT
Missouri River below Holter Dam near Wolf Creek, MT is USGS streamgage 06066500 in Montana, monitoring river discharge in hydrologic subbasin 10030102. It drains a watershed of about 16,924 square miles. Discharge records at this site go back to 1945. Typical flow runs near 4,902.3 cfs in July and 4,946.3 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Montana
- Drainage area
- 16,924 sq mi
- Gauge elevation
- 3,470 ft
- Subbasin (HUC-8)
- 10030102
- Coordinates
- 46.99474, -112.01067
- USGS site number
- 06066500
- Records begin
- 1945-10-01 (81 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 81 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 | 3,465.2 | 4,791.3 | 6,212.6 | |
| February | 3,450 | 4,666.2 | 6,333.4 | |
| March | 3,291.3 | 4,645.5 | 6,869.7 | |
| April | 3,128.7 | 4,946.3 | 8,316 | |
| May | 2,917.7 | 5,668.7 | 12,128.4 | |
| June | 2,924 | 6,844.3 | 16,453.3 | |
| July | 2,881.9 | 4,902.3 | 10,138.4 | |
| August | 2,919 | 4,063.9 | 6,090.3 | |
| September | 2,925 | 4,047 | 5,905.3 | |
| October | 3,009.7 | 4,111.3 | 5,861.3 | |
| November | 3,120.7 | 4,437.3 | 6,013 | |
| December | 3,292.9 | 4,731.6 | 6,021.3 |
All values in cubic feet per second (cfs).