USGS Streamgage 06317000
Powder River at Arvada, WY
Powder River at Arvada, WY is USGS streamgage 06317000 in Wyoming, monitoring river discharge in hydrologic subbasin 10090202. It drains a watershed of about 5,924 square miles. Discharge records at this site go back to 1919. Typical flow runs near 112 cfs in July and 265.5 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Wyoming
- Drainage area
- 5,924 sq mi
- Gauge elevation
- 3,623 ft
- Subbasin (HUC-8)
- 10090202
- Coordinates
- 44.64993, -106.1276
- USGS site number
- 06317000
- Records begin
- 1919-08-03 (107 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 96 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 | 40.6 | 91.1 | 159.9 | |
| February | 63.3 | 133.3 | 383.5 | |
| March | 139.2 | 257.5 | 733.1 | |
| April | 159.2 | 265.5 | 583.3 | |
| May | 165.7 | 476.8 | 1,476.8 | |
| June | 73.9 | 401.1 | 1,746.3 | |
| July | 13.2 | 112 | 512.9 | |
| August | 0 | 32.5 | 187.1 | |
| September | 0 | 31.7 | 163.1 | |
| October | 24.7 | 103.5 | 219.3 | |
| November | 55.7 | 131 | 202.4 | |
| December | 44.8 | 92 | 172.6 |
All values in cubic feet per second (cfs).