USGS · 09019000

COLORADO RIVER

USGS · 09019000LIVE

COLORADO RIVER BELOW LAKE GRANBY, CO.

GRAND COUNTY, CO40.1442°N, -105.8672°W Updated 23 hr ago

FLOW RATE

84cfs

GAUGE HT

3.87ft

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

84cfs 4.6% vs avg

Optimal band: 20–28 cfs

PERIOD HIGH

119cfs

PERIOD LOW

20cfs

RUNNABLE

54%

last 1 year in band

Gauge Height

3.87ft

Weather Map

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Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

8.9in

-32% vs normal

8.94 in of precipitation so far this year, 32% below the 30-year normal of 13.11 in for this point in the season.

YTD Total

8.9in

This year so far

Normal to Date

13.1in

30-yr average

Typical Range

10.6–15.9in

10th–90th pct YTD

Departure

-32%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 1.09" · normal 1.42" (0.6–2.2)

Jan

Feb: 1.56" · normal 1.54" (0.7–2.3)

Feb

Mar: 0.92" · normal 1.88" (1.1–3.0)

Mar

Apr: 2.35" · normal 2.72" (1.7–4.1)

Apr

May: 2.45" · normal 2.56" (1.5–3.9)

May

Jun: 0.35" · normal 2.08" (0.9–3.3)

Jun

Jul: 0.24" (so far)· normal 2.56" (1.2–4.2)

Jul

Aug: normal 2.38" (1.2–3.4)

Aug

Sep: normal 1.70" (0.6–2.9)

Sep

Oct: normal 1.68" (0.9–2.4)

Oct

Nov: normal 1.42" (0.7–2.1)

Nov

Dec: normal 1.29" (0.7–1.8)

Dec

Baseline 1991–2020 · Source: Open-Meteo23:14 UTC

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Station Location

40.1442, -105.8672

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DATA · USGS · NOAA · NWSUPDATED 2026-07-13 00:00 UTC

Site #09019000·USGS

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