USGS Streamgage 10102250
Bear River near Smithfield, UT
Bear River near Smithfield, UT is USGS streamgage 10102250 in Utah, monitoring river discharge in hydrologic subbasin 16010202. It drains a watershed of about 5,193 square miles. Discharge records at this site go back to 1964. Typical flow runs near 899.4 cfs in July and 1,295.3 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Utah
- Drainage area
- 5,193 sq mi
- Gauge elevation
- 4,404 ft
- Subbasin (HUC-8)
- 16010202
- Coordinates
- 41.84001, -111.88159
- USGS site number
- 10102250
- Records begin
- 1964-04-01 (62 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 62 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 | 435.9 | 1,090.5 | 1,975.5 | |
| February | 467.5 | 874.2 | 1,925.7 | |
| March | 547.9 | 1,207.5 | 2,369.7 | |
| April | 551.1 | 1,295.3 | 2,861 | |
| May | 586.3 | 1,659.4 | 3,172.3 | |
| June | 519 | 1,237.6 | 2,741 | |
| July | 481.9 | 899.4 | 1,713.2 | |
| August | 513.2 | 814.5 | 1,438.4 | |
| September | 335.5 | 648.9 | 1,701.3 | |
| October | 295.2 | 579.7 | 1,914.5 | |
| November | 286.4 | 694.7 | 1,953.3 | |
| December | 387.8 | 1,120.2 | 1,923.2 |
All values in cubic feet per second (cfs).
Common questions
- When does Bear River near Smithfield, UT normally run highest?
- May, on the long-term record. The median daily flow that month is about 1,659.4 cfs, against 579.7 cfs in October, 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 near Smithfield, UT?
- It depends on the month. In January, half of days historically fall near 1,090.5 cfs, with the middle 80% of days between 435.9 and 1,975.5 cfs. The month-by-month table on this page gives the full range.
- How long has Bear River near Smithfield, UT been measured?
- Discharge records at USGS site 10102250 begin in 1964, about 62 years, covering roughly 478 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Bear River near Smithfield, UT?
- The gauge sits at 41.84001, -111.88159, in Utah, in hydrologic subbasin 16010202, at an elevation of about 4,404 feet, draining roughly 5,193 square miles.
- Can I use Bear River near Smithfield, UT 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.