USGS · 09205000

GREEN RIVER

USGS · 09205000LIVE

New Fork River near Big Piney, WY

SUBLETTE COUNTY, WY42.5671°N, -109.9302°W Updated 2 hr ago

FLOW RATE

591cfs

GAUGE HT

3.00ft

FISH INDEX

54SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

591cfs 13.3% vs avg

Optimal band: 604–816 cfs

PERIOD HIGH

856cfs

PERIOD LOW

570cfs

RUNNABLE

77%

last 30 day in band

Gauge Height

3.00ft

Weather Map

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Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

6.6in

≈ normal

6.57 in of precipitation so far this year — about average for this point in the season (normal 7.54 in).

YTD Total

6.6in

This year so far

Normal to Date

7.5in

30-yr average

Typical Range

4.8–10.3in

10th–90th pct YTD

Departure

-13%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 0.45" · normal 0.71" (0.2–1.4)

Jan

Feb: 0.80" · normal 0.73" (0.3–1.1)

Feb

Mar: 0.83" · normal 0.91" (0.3–1.6)

Mar

Apr: 0.98" · normal 1.40" (0.7–2.2)

Apr

May: 1.30" · normal 1.84" (0.7–3.1)

May

Jun: 0.76" · normal 1.15" (0.2–2.6)

Jun

Jul: 1.45" · normal 0.63" (0.2–1.1)

Jul

Aug: 0.00" (so far)· normal 0.65" (0.3–1.0)

Aug

Sep: normal 1.03" (0.2–1.8)

Sep

Oct: normal 1.11" (0.4–1.9)

Oct

Nov: normal 0.72" (0.3–1.3)

Nov

Dec: normal 0.71" (0.2–1.2)

Dec

Baseline 1991–2020 · Source: Open-Meteo02:13 UTC

Your History · New Fork River near Big Piney, WY

Track your history

Station Location

42.5671, -109.9302

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DATA · USGS · NOAA · NWSUPDATED 2026-08-05 00:00 UTC

Site #09205000·USGS

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