Rivermatics

USGS Streamgage 09299500

Whiterocks River near Whiterocks, UT

Whiterocks River near Whiterocks, UT is USGS streamgage 09299500 in Utah, monitoring river discharge in hydrologic subbasin 14060003. It drains a watershed of about 109 square miles. Discharge records at this site go back to 1902. Typical flow runs near 157.4 cfs in July and 40.1 cfs in April, with the higher of the two arriving in July. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

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Gauge details

State
Utah
Drainage area
109 sq mi
Gauge elevation
7,209 ft
Subbasin (HUC-8)
14060003
Coordinates
40.59357, -109.93237
USGS site number
09299500
Records begin
1902-05-01 (124 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Whiterocks River near Whiterocks, UT. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
115 118 122
110 115 119
106 112 118
101 109 115
97.9 106 114
105 119 150
108 129 176
105 126 163
101 119 146
96.1 113 134
106 131 178
115 153 224
112 145 206
106 133 176

All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 97 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Historical monthly discharge percentiles in cubic feet per second
Month Low p10 Typical p50 High p90 Range
January 21.2 28.3 38
February 19.8 26 34
March 20.1 26.8 35.8
April 25.7 40.1 80.2
May 85.1 202.4 569.8
June 115.9 288.9 788.1
July 77 157.4 298.6
August 60.4 117.4 184.3
September 51.4 81.7 145.6
October 40.6 58.1 110.9
November 29.5 40.4 64.3
December 24.2 32.2 47.2

All values in cubic feet per second (cfs).

Common questions

When does Whiterocks River near Whiterocks, UT normally run highest?
June, on the long-term record. The median daily flow that month is about 288.9 cfs, against 26 cfs in February, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Whiterocks River near Whiterocks, UT?
It depends on the month. In January, half of days historically fall near 28.3 cfs, with the middle 80% of days between 21.2 and 38 cfs. The month-by-month table on this page gives the full range.
How long has Whiterocks River near Whiterocks, UT been measured?
Discharge records at USGS site 09299500 begin in 1902, about 124 years, covering roughly 9,200 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Whiterocks River near Whiterocks, UT?
Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
Where is Whiterocks River near Whiterocks, UT?
The gauge sits at 40.59357, -109.93237, in Utah, in hydrologic subbasin 14060003, at an elevation of about 7,209 feet, draining roughly 109 square miles.
Can I use Whiterocks River near Whiterocks, 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.

Other gauges in this subbasin