USGS · 14141500

LITTLE SANDY RIVER

USGS · 14141500LIVE

LITTLE SANDY RIVER NEAR BULL RUN, OR

CLACKAMAS COUNTY, OR45.4154°N, -122.1715°W Updated 6 hr ago

FLOW RATE

40cfs

AIR TEMP

62°F

WIND

4mph WNW

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

40cfs 61.7% vs avg

Optimal band: 54–74 cfs

PERIOD HIGH

121cfs

PERIOD LOW

28cfs

RUNNABLE

25%

last 7 day in band

Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

40.9in

≈ normal

40.89 in of precipitation so far this year — about average for this point in the season (normal 45.31 in).

YTD Total

40.9in

This year so far

Normal to Date

45.3in

30-yr average

Typical Range

33.9–57.1in

10th–90th pct YTD

Departure

-10%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 6.08" · normal 11.36" (6.2–15.8)

Jan

Feb: 8.92" · normal 8.77" (4.8–14.2)

Feb

Mar: 10.00" · normal 9.07" (5.6–14.4)

Mar

Apr: 6.44" · normal 7.35" (3.6–11.0)

Apr

May: 3.64" · normal 5.03" (2.1–7.6)

May

Jun: 5.74" · normal 3.55" (1.8–5.5)

Jun

Jul: 0.07" (so far)· normal 0.90" (0.2–1.8)

Jul

Aug: normal 1.17" (0.1–2.1)

Aug

Sep: normal 3.40" (0.4–7.1)

Sep

Oct: normal 8.13" (3.7–13.9)

Oct

Nov: normal 12.06" (5.1–16.8)

Nov

Dec: normal 12.43" (7.9–18.2)

Dec

Baseline 1991–2020 · Source: Open-Meteo04:35 AM

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Station Location

45.4154, -122.1715

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DATA · USGS · NOAA · NWSUPDATED 2026-07-04 06:37 UTC

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