USGS Streamgage 06641000
North Platte River below Pathfinder Reservoir, WY
North Platte River below Pathfinder Reservoir, WY is USGS streamgage 06641000 in Wyoming, monitoring river discharge in hydrologic subbasin 10180007. It drains a watershed of about 10,702 square miles. Discharge records at this site go back to 1905. Typical flow runs near 4,740 cfs in July and 198 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Wyoming
- Drainage area
- 10,702 sq mi
- Gauge elevation
- 5,666 ft
- Subbasin (HUC-8)
- 10180007
- Coordinates
- 42.46494, -106.84704
- USGS site number
- 06641000
- Records begin
- 1905-06-01 (121 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 56 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 | 0.5 | 34 | 406.4 | |
| February | 0.5 | 31.5 | 426.5 | |
| March | 0.5 | 12 | 884.7 | |
| April | 3.5 | 198 | 2,095 | |
| May | 12.9 | 1,710.8 | 4,965.8 | |
| June | 446.7 | 4,017.3 | 8,989 | |
| July | 2,020.6 | 4,740 | 6,217.4 | |
| August | 1,527.5 | 3,933.5 | 5,637.4 | |
| September | 166.2 | 1,735.9 | 3,907.7 | |
| October | 0.6 | 90.9 | 1,430.8 | |
| November | 0.5 | 21.9 | 576.8 | |
| December | 0.5 | 23.4 | 450.3 |
All values in cubic feet per second (cfs).