USGS · 09038500

WILLIAMS FORK RIVER

USGS · 09038500LIVE

WILLIAMS FORK BELOW WILLIAMS FORK RESERVOIR, CO

GRAND COUNTY, CO40.0359°N, -106.2050°W Updated 15 hr ago

FLOW RATE

188cfs

AIR TEMP

68°F

WIND

6mph NW

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

188cfs 1.8% vs avg

Optimal band: 82–110 cfs

PERIOD HIGH

424cfs

PERIOD LOW

17cfs

RUNNABLE

10%

last 1 year in band

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

7.0in

-32% vs normal

7.05 in of precipitation so far this year, 32% below the 30-year normal of 10.34 in for this point in the season.

YTD Total

7.0in

This year so far

Normal to Date

10.3in

30-yr average

Typical Range

7.4–12.5in

10th–90th pct YTD

Departure

-32%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 0.88" · normal 1.48" (0.6–2.3)

Jan

Feb: 1.21" · normal 1.43" (0.8–2.0)

Feb

Mar: 0.82" · normal 1.72" (0.9–2.9)

Mar

Apr: 1.73" · normal 2.17" (1.4–3.3)

Apr

May: 1.86" · normal 2.01" (1.1–3.1)

May

Jun: 0.34" · normal 1.21" (0.4–2.1)

Jun

Jul: 0.23" (so far)· normal 1.19" (0.4–2.2)

Jul

Aug: normal 1.12" (0.5–2.1)

Aug

Sep: normal 1.25" (0.4–2.8)

Sep

Oct: normal 1.60" (0.8–2.5)

Oct

Nov: normal 1.38" (0.7–2.0)

Nov

Dec: normal 1.36" (0.6–2.2)

Dec

Baseline 1991–2020 · Source: Open-Meteo03:03 PM

Your History · WILLIAMS FORK BELOW WILLIAMS FORK RESERVOIR, CO

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Station Location

40.0359, -106.2050

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DATA · USGS · NOAA · NWSUPDATED 2026-07-09 00:00 UTC

Site #09038500·USGS

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