USGS · 09060770

ROCK CREEK

USGS · 09060770LIVE

ROCK CREEK AT MCCOY, CO.

COLORADO39.9139°N, -106.7273°W Updated 23 hr ago

FLOW RATE

2cfs

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

2cfs 39.9% vs avg

Optimal band: 3–3 cfs

PERIOD HIGH

4cfs

PERIOD LOW

2cfs

RUNNABLE

58%

last 30 day in band

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

9.3in

-22% vs normal

9.28 in of precipitation so far this year, 22% below the 30-year normal of 11.96 in for this point in the season.

YTD Total

9.3in

This year so far

Normal to Date

12.0in

30-yr average

Typical Range

8.8–14.9in

10th–90th pct YTD

Departure

-22%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 1.11" · normal 1.66" (0.8–2.6)

Jan

Feb: 1.69" · normal 1.73" (1.1–2.4)

Feb

Mar: 1.16" · normal 1.88" (1.1–2.7)

Mar

Apr: 1.63" · normal 2.45" (1.4–3.7)

Apr

May: 3.30" · normal 2.33" (1.2–3.4)

May

Jun: 0.37" · normal 1.63" (0.5–3.0)

Jun

Jul: 0.03" (so far)· normal 2.28" (0.5–3.9)

Jul

Aug: normal 2.41" (1.2–3.7)

Aug

Sep: normal 1.64" (0.4–2.7)

Sep

Oct: normal 1.83" (1.0–2.5)

Oct

Nov: normal 1.63" (0.9–2.4)

Nov

Dec: normal 1.60" (0.7–2.8)

Dec

Baseline 1991–2020 · Source: Open-Meteo11:58 PM

Your History · ROCK CREEK AT MCCOY, CO.

Track your history

Station Location

39.9139, -106.7273

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DATA · USGS · NOAA · NWSUPDATED 2026-07-05 00:00 UTC

Site #09060770·USGS

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