CO DWR · MIDSTECO

MIDDLE SAINT VRAIN RIVER

CO DWR · MIDSTECOLIVE

Middle Saint Vrain At Peaceful Valley

BOULDER COUNTY, CO40.1298°N, -105.5171°W Updated 1 d ago

FLOW RATE

31.4cfs

AIR TEMP

69°F

WIND

10mph SE

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

31.4cfs

Optimal band: 27–36 cfs

PERIOD HIGH

31.4cfs

PERIOD LOW

31.4cfs

RUNNABLE

100%

last 1 day in band

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

14.2in

-17% vs normal

14.23 in of precipitation so far this year, 17% below the 30-year normal of 17.11 in for this point in the season.

YTD Total

14.2in

This year so far

Normal to Date

17.1in

30-yr average

Typical Range

12.1–21.9in

10th–90th pct YTD

Departure

-17%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 1.59" · normal 1.23" (0.5–2.2)

Jan

Feb: 1.65" · normal 1.37" (0.4–2.2)

Feb

Mar: 1.86" · normal 2.08" (1.2–3.3)

Mar

Apr: 2.11" · normal 3.19" (1.8–4.9)

Apr

May: 5.30" · normal 4.60" (3.0–6.7)

May

Jun: 1.70" · normal 4.39" (2.3–7.7)

Jun

Jul: 0.02" (so far)· normal 5.81" (3.3–9.2)

Jul

Aug: normal 5.22" (3.4–7.3)

Aug

Sep: normal 2.91" (1.2–4.7)

Sep

Oct: normal 1.95" (1.0–2.8)

Oct

Nov: normal 1.32" (0.6–2.2)

Nov

Dec: normal 1.09" (0.5–1.8)

Dec

Baseline 1991–2020 · Source: Open-Meteo02:23 PM

Your History · Middle Saint Vrain At Peaceful Valley

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Station Location

40.1298, -105.5171

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DATA · CO DWR · NOAA · NWSUPDATED 2026-07-02 20:39 UTC

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