USGS Streamgage 06386500
Cheyenne River near Spencer, WY
Cheyenne River near Spencer, WY is USGS streamgage 06386500 in Wyoming, monitoring river discharge in hydrologic subbasin 10120106. It drains a watershed of about 5,323 square miles. Discharge records at this site go back to 1948. Typical flow runs near 5.2 cfs in July and 3.8 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Wyoming
- Drainage area
- 5,323 sq mi
- Gauge elevation
- 3,592 ft
- Subbasin (HUC-8)
- 10120106
- Coordinates
- 43.42106, -104.13169
- USGS site number
- 06386500
- Records begin
- 1948-10-01 (78 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 78 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 | 0 | 3.1 | |
| February | 0 | 0.2 | 35.9 | |
| March | 0 | 3.5 | 50.5 | |
| April | 0 | 3.8 | 41.7 | |
| May | 0 | 11 | 282.6 | |
| June | 0 | 19.7 | 420.9 | |
| July | 0 | 5.2 | 185.4 | |
| August | 0 | 2.1 | 81.2 | |
| September | 0 | 0.1 | 20.4 | |
| October | 0 | 0 | 9.7 | |
| November | 0 | 0 | 4.2 | |
| December | 0 | 0 | 2.3 |
All values in cubic feet per second (cfs).