CO DWR · BOC109CO

BOULDER CREEK

CO DWR · BOC109COLIVE

Boulder Creek At 109 St Near Erie, Co

BOULDER COUNTY, CO40.0598°N, -105.0979°W

AIR TEMP

96°F

WIND

10mph E

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

—cfs

No flow data available

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

7.7in

-36% vs normal

7.69 in of precipitation so far this year, 36% below the 30-year normal of 11.94 in for this point in the season.

YTD Total

7.7in

This year so far

Normal to Date

11.9in

30-yr average

Typical Range

8.9–14.9in

10th–90th pct YTD

Departure

-36%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 0.60" · normal 0.79" (0.2–1.3)

Jan

Feb: 0.26" · normal 0.82" (0.3–1.5)

Feb

Mar: 1.31" · normal 1.72" (0.9–2.7)

Mar

Apr: 0.96" · normal 2.63" (1.1–4.1)

Apr

May: 3.56" · normal 3.24" (1.8–5.8)

May

Jun: 0.87" · normal 2.10" (0.6–3.8)

Jun

Jul: 0.13" (so far)· normal 1.72" (0.6–2.7)

Jul

Aug: normal 1.68" (0.6–3.0)

Aug

Sep: normal 1.49" (0.3–2.6)

Sep

Oct: normal 1.59" (0.6–2.6)

Oct

Nov: normal 1.09" (0.5–2.1)

Nov

Dec: normal 0.75" (0.2–1.2)

Dec

Baseline 1991–2020 · Source: Open-Meteo00:02 UTC

Your History · Boulder Creek At 109 St Near Erie, Co

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Station Location

40.0598, -105.0979

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