CO DWR · SBBDITCO

SOUTH BOULDER & BEAR CREEK

CO DWR · SBBDITCOLIVE

South Boulder & Bear Creek Ditch

BOULDER COUNTY, CO39.9537°N, -105.2414°W Updated 1 d ago

FLOW RATE

2cfs

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

2cfs

Optimal band: 3–3 cfs

PERIOD HIGH

3cfs

PERIOD LOW

2cfs

RUNNABLE

86%

last 7 day in band

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

9.3in

-35% vs normal

9.3 in of precipitation so far this year, 35% below the 30-year normal of 14.35 in for this point in the season.

YTD Total

9.3in

This year so far

Normal to Date

14.3in

30-yr average

Typical Range

10.3–17.6in

10th–90th pct YTD

Departure

-35%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 0.99" · normal 0.94" (0.4–1.7)

Jan

Feb: 0.54" · normal 1.01" (0.3–1.6)

Feb

Mar: 1.72" · normal 1.98" (1.1–2.9)

Mar

Apr: 1.51" · normal 3.04" (1.4–4.4)

Apr

May: 3.37" · normal 3.93" (2.2–6.1)

May

Jun: 1.01" · normal 2.93" (1.3–4.9)

Jun

Jul: 0.17" (so far)· normal 2.85" (1.2–4.3)

Jul

Aug: normal 2.70" (1.2–4.1)

Aug

Sep: normal 2.07" (0.5–3.3)

Sep

Oct: normal 1.84" (0.8–3.0)

Oct

Nov: normal 1.27" (0.7–2.3)

Nov

Dec: normal 0.88" (0.3–1.5)

Dec

Baseline 1991–2020 · Source: Open-Meteo10:02 AM

Your History · South Boulder & Bear Creek Ditch

Track your history

Station Location

39.9537, -105.2414

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DATA · CO DWR · NOAA · NWSUPDATED 2026-07-06 00:00 UTC

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