USGS · 11525854

TRINITY R A DOUGLAS CITY CA RIVER

USGS · 11525854LIVE

TRINITY R A DOUGLAS CITY CA

TRINITY COUNTY, CA40.6453°N, -122.9567°W Updated 30 min ago

FLOW RATE

520cfs

GAUGE HT

6.73ft

WATER TEMP

15°F

AIR TEMP

64°F

WIND

1mph S

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

520cfs 30.8% vs avg

Optimal band: 442–598 cfs

PERIOD HIGH

532cfs

PERIOD LOW

514cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

6.73ft

Water Temperature

15.1°F

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

16.4in

-35% vs normal

16.37 in of precipitation so far this year, 35% below the 30-year normal of 25.3 in for this point in the season.

YTD Total

16.4in

This year so far

Normal to Date

25.3in

30-yr average

Typical Range

13.7–34.0in

10th–90th pct YTD

Departure

-35%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 3.68" · normal 7.12" (1.3–12.6)

Jan

Feb: 6.33" · normal 6.15" (1.3–11.9)

Feb

Mar: 0.24" · normal 5.56" (1.8–10.7)

Mar

Apr: 4.85" · normal 3.10" (1.0–6.2)

Apr

May: 1.08" · normal 2.31" (0.6–4.2)

May

Jun: 0.20" · normal 1.03" (0.1–2.1)

Jun

Jul: 0.00" (so far)· normal 0.25" (0.0–0.5)

Jul

Aug: normal 0.26" (0.0–0.5)

Aug

Sep: normal 0.47" (0.0–1.2)

Sep

Oct: normal 2.24" (0.1–4.5)

Oct

Nov: normal 4.54" (1.5–7.5)

Nov

Dec: normal 7.92" (1.4–15.0)

Dec

Baseline 1991–2020 · Source: Open-Meteo01:31 PM

Your History · TRINITY R A DOUGLAS CITY CA

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Station Location

40.6453, -122.9567

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DATA · USGS · NOAA · NWSUPDATED 2026-07-08 14:00 UTC

Site #11525854·USGS

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