USGS Streamgage 10224000
Sevier River near Lynndyl, UT
Sevier River near Lynndyl, UT is USGS streamgage 10224000 in Utah, monitoring river discharge in hydrologic subbasin 16030005. It drains a watershed of about 5,966 square miles. Discharge records at this site go back to 1914. Typical flow runs near 375.8 cfs in July and 201.6 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Utah
- Drainage area
- 5,966 sq mi
- Gauge elevation
- 4,671 ft
- Subbasin (HUC-8)
- 16030005
- Coordinates
- 39.4819, -112.39383
- USGS site number
- 10224000
- Records begin
- 1914-04-25 (112 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 84 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 | 11.5 | 32.4 | 212.9 | |
| February | 11.4 | 35 | 500.1 | |
| March | 14.4 | 41.8 | 531.1 | |
| April | 34.4 | 201.6 | 606.9 | |
| May | 218.6 | 503 | 794.3 | |
| June | 144.9 | 399 | 718.6 | |
| July | 195.5 | 375.8 | 645.4 | |
| August | 79.5 | 279.8 | 548.1 | |
| September | 25.6 | 73.8 | 202.7 | |
| October | 25.5 | 50.2 | 113.4 | |
| November | 25.2 | 47.6 | 99.9 | |
| December | 15.7 | 37.3 | 122.3 |
All values in cubic feet per second (cfs).
Common questions
- When does Sevier River near Lynndyl, UT normally run highest?
- May, on the long-term record. The median daily flow that month is about 503 cfs, against 32.4 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Sevier River near Lynndyl, UT?
- It depends on the month. In January, half of days historically fall near 32.4 cfs, with the middle 80% of days between 11.5 and 212.9 cfs. The month-by-month table on this page gives the full range.
- How long has Sevier River near Lynndyl, UT been measured?
- Discharge records at USGS site 10224000 begin in 1914, about 112 years, covering roughly 9,126 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Sevier River near Lynndyl, UT?
- The gauge sits at 39.4819, -112.39383, in Utah, in hydrologic subbasin 16030005, at an elevation of about 4,671 feet, draining roughly 5,966 square miles.
- Can I use Sevier River near Lynndyl, 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.