USGS Streamgage 06634620
L Medicine Bow River at Boles Spring, near Medicine Bow
L Medicine Bow River at Boles Spring, near Medicine Bow is USGS streamgage 06634620 in Wyoming, monitoring river discharge in hydrologic subbasin 10180005. It drains a watershed of about 969 square miles. Discharge records at this site go back to 1984. Typical flow runs near 8.9 cfs in July and 85.2 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Wyoming
- Drainage area
- 969 sq mi
- Gauge elevation
- 6,575 ft
- Subbasin (HUC-8)
- 10180005
- Coordinates
- 41.96106, -106.20924
- USGS site number
- 06634620
- Records begin
- 1984-05-01 (42 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 42 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 | 0.6 | 1.5 | 5.6 | |
| February | 0.8 | 3.3 | 12.9 | |
| March | 6.2 | 26.6 | 112.9 | |
| April | 27.7 | 85.2 | 244.9 | |
| May | 23.7 | 134.7 | 387.5 | |
| June | 5.8 | 33.4 | 200 | |
| July | 1.2 | 8.9 | 36.5 | |
| August | 0.5 | 4.8 | 18 | |
| September | 0.7 | 3.8 | 9.8 | |
| October | 3.1 | 6.6 | 14.3 | |
| November | 2.1 | 6.1 | 15.6 | |
| December | 1 | 2.9 | 9.7 |
All values in cubic feet per second (cfs).