USGS · 13022500

SNAKE RIVER

USGS · 13022500LIVE

Snake River above Reservoir, near Alpine, WY

WYOMING43.1961°N, -110.8894°W Updated 11 hr ago

FLOW RATE

8,249cfs

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

8,249cfs 4.6% vs avg

Optimal band: 7,115–9,626 cfs

PERIOD HIGH

9,150cfs

PERIOD LOW

8,193cfs

RUNNABLE

100%

last 7 day in band

Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

14.5in

≈ normal

14.53 in of precipitation so far this year — about average for this point in the season (normal 16.87 in).

YTD Total

14.5in

This year so far

Normal to Date

16.9in

30-yr average

Typical Range

11.3–22.0in

10th–90th pct YTD

Departure

-14%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 2.34" · normal 3.52" (1.9–5.7)

Jan

Feb: 2.20" · normal 2.97" (1.5–4.7)

Feb

Mar: 1.97" · normal 2.94" (1.5–4.5)

Mar

Apr: 4.11" · normal 2.70" (1.7–4.0)

Apr

May: 2.25" · normal 2.49" (1.1–4.0)

May

Jun: 1.46" · normal 2.04" (0.7–3.6)

Jun

Jul: 0.21" (so far)· normal 0.77" (0.2–1.4)

Jul

Aug: normal 0.88" (0.3–1.5)

Aug

Sep: normal 1.64" (0.7–2.7)

Sep

Oct: normal 2.26" (1.3–3.4)

Oct

Nov: normal 3.05" (1.5–4.8)

Nov

Dec: normal 3.61" (2.0–5.1)

Dec

Baseline 1991–2020 · Source: Open-Meteo11:14 AM

Your History · Snake River above Reservoir, near Alpine, WY

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Station Location

43.1961, -110.8894

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

Site #13022500·USGS

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