CO DWR · BTABCMCO

BIG THOMPSON RIVER

CO DWR · BTABCMCOLIVE

Big Thompson River Above Canyon Mouth At Cedar Cove, Co

LARIMER COUNTY, CO40.4149°N, -105.2510°W Updated 1 d ago

FLOW RATE

124cfs

AIR TEMP

69°F

WIND

3mph NNE

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

124cfs

Optimal band: 53–71 cfs

PERIOD HIGH

237cfs

PERIOD LOW

11cfs

RUNNABLE

22%

last 1 year in band

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

9.8in

-36% vs normal

9.79 in of precipitation so far this year, 36% below the 30-year normal of 15.21 in for this point in the season.

YTD Total

9.8in

This year so far

Normal to Date

15.2in

30-yr average

Typical Range

10.3–18.3in

10th–90th pct YTD

Departure

-36%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 0.82" · normal 0.84" (0.3–1.6)

Jan

Feb: 0.55" · normal 0.99" (0.4–1.5)

Feb

Mar: 1.17" · normal 1.80" (0.9–2.8)

Mar

Apr: 1.39" · normal 2.97" (1.3–4.4)

Apr

May: 4.32" · normal 4.20" (2.2–6.2)

May

Jun: 1.28" · normal 3.22" (1.3–5.3)

Jun

Jul: 0.27" (so far)· normal 3.55" (1.8–5.5)

Jul

Aug: normal 3.15" (1.7–4.5)

Aug

Sep: normal 2.21" (0.6–3.8)

Sep

Oct: normal 1.80" (0.9–3.0)

Oct

Nov: normal 1.18" (0.5–2.1)

Nov

Dec: normal 0.79" (0.3–1.4)

Dec

Baseline 1991–2020 · Source: Open-Meteo07:01 UTC

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Station Location

40.4149, -105.2510

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DATA · CO DWR · NOAA · NWSUPDATED 2026-07-11 00:00 UTC

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