USGS · 09015000

COLORADO RIVER

USGS · 09015000LIVE

COLORADO RIVER BL SHADOW MOUNTAIN RESERVOIR, CO.

GRAND COUNTY, CO40.2052°N, -105.8376°W Updated 43 min ago

FLOW RATE

53.1cfs

GAUGE HT

1.63ft

AIR TEMP

59°F

WIND

2mph E

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

53.1cfs 32.8% vs avg

Optimal band: 45–61 cfs

PERIOD HIGH

54.8cfs

PERIOD LOW

51.4cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

1.63ft

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

10.2in

-22% vs normal

10.24 in of precipitation so far this year, 22% below the 30-year normal of 13.07 in for this point in the season.

YTD Total

10.2in

This year so far

Normal to Date

13.1in

30-yr average

Typical Range

10.4–15.8in

10th–90th pct YTD

Departure

-22%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 1.36" · normal 1.42" (0.6–2.2)

Jan

Feb: 1.72" · normal 1.55" (0.7–2.3)

Feb

Mar: 0.92" · normal 1.89" (1.0–3.0)

Mar

Apr: 2.63" · normal 2.71" (1.7–4.1)

Apr

May: 3.05" · normal 2.55" (1.5–3.9)

May

Jun: 0.31" · normal 2.07" (0.9–3.3)

Jun

Jul: 0.24" (so far)· normal 2.58" (1.3–4.2)

Jul

Aug: normal 2.42" (1.2–3.4)

Aug

Sep: normal 1.71" (0.6–2.9)

Sep

Oct: normal 1.70" (0.9–2.4)

Oct

Nov: normal 1.45" (0.7–2.1)

Nov

Dec: normal 1.29" (0.7–1.8)

Dec

Baseline 1991–2020 · Source: Open-Meteo01:41 UTC

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Station Location

40.2052, -105.8376

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DATA · USGS · NOAA · NWSUPDATED 2026-07-12 08:15 UTC

Site #09015000·USGS

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