USGS Streamgage 10028500
Bear River below Pixley Dam, near Cokeville, WY
Bear River below Pixley Dam, near Cokeville, WY is USGS streamgage 10028500 in Wyoming, monitoring river discharge in hydrologic subbasin 16010102. It drains a watershed of about 2,032 square miles. Discharge records at this site go back to 1941. Typical flow runs near 175.2 cfs in July and 103.5 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Wyoming
- Drainage area
- 2,032 sq mi
- Gauge elevation
- 6,180 ft
- Subbasin (HUC-8)
- 16010102
- Coordinates
- 41.93795, -110.98688
- USGS site number
- 10028500
- Records begin
- 1941-11-01 (85 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 60 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 | — | 83.3 | — | |
| February | — | 96 | — | |
| March | 29.1 | 119.4 | 1,234.9 | |
| April | 7.7 | 103.5 | 737.7 | |
| May | 1.7 | 163.3 | 1,091.8 | |
| June | 2.9 | 300.5 | 1,153.8 | |
| July | 11.1 | 175.2 | 666.4 | |
| August | 13.8 | 63.2 | 230.1 | |
| September | 9.4 | 38.6 | 177.8 | |
| October | 7.9 | 43.1 | 128.7 | |
| November | — | 78 | — | |
| December | — | 75 | — |
All values in cubic feet per second (cfs).
Common questions
- When does Bear River below Pixley Dam, near Cokeville, WY normally run highest?
- June, on the long-term record. The median daily flow that month is about 300.5 cfs, against 38.6 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Bear River below Pixley Dam, near Cokeville, WY?
- It depends on the month. In March, half of days historically fall near 119.4 cfs, with the middle 80% of days between 29.1 and 1,234.9 cfs. The month-by-month table on this page gives the full range.
- How long has Bear River below Pixley Dam, near Cokeville, WY been measured?
- Discharge records at USGS site 10028500 begin in 1941, about 85 years, covering roughly 4,852 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Bear River below Pixley Dam, near Cokeville, WY?
- The gauge sits at 41.93795, -110.98688, in Wyoming, in hydrologic subbasin 16010102, at an elevation of about 6,180 feet, draining roughly 2,032 square miles.
- Can I use Bear River below Pixley Dam, near Cokeville, WY data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.