USGS · 09035900

SOUTH FORK OF WILLIAMS FORK RIVER

USGS · 09035900LIVE

SOUTH FORK OF WILLIAMS FORK NEAR LEAL, CO

GRAND COUNTY, CO39.7958°N, -106.0306°W Updated 15 hr ago

FLOW RATE

11cfs

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

11cfs 84.7% vs avg

Optimal band: 11–15 cfs

PERIOD HIGH

15cfs

PERIOD LOW

11cfs

RUNNABLE

100%

last 7 day in band

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

10.9in

-18% vs normal

10.9 in of precipitation so far this year, 18% below the 30-year normal of 13.37 in for this point in the season.

YTD Total

10.9in

This year so far

Normal to Date

13.4in

30-yr average

Typical Range

10.5–15.5in

10th–90th pct YTD

Departure

-18%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 1.67" · normal 1.67" (0.7–2.5)

Jan

Feb: 1.91" · normal 1.77" (1.0–2.5)

Feb

Mar: 1.16" · normal 2.35" (1.2–3.6)

Mar

Apr: 2.33" · normal 3.18" (2.2–4.4)

Apr

May: 3.05" · normal 2.49" (1.4–3.7)

May

Jun: 0.61" · normal 1.53" (0.6–2.5)

Jun

Jul: 0.16" (so far)· normal 2.37" (1.1–4.1)

Jul

Aug: normal 2.42" (1.6–3.4)

Aug

Sep: normal 1.91" (0.9–3.0)

Sep

Oct: normal 1.86" (1.1–2.6)

Oct

Nov: normal 1.69" (0.8–2.4)

Nov

Dec: normal 1.51" (0.7–2.4)

Dec

Baseline 1991–2020 · Source: Open-Meteo09:37 AM

Your History · SOUTH FORK OF WILLIAMS FORK NEAR LEAL, CO

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Station Location

39.7958, -106.0306

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

Site #09035900·USGS

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