MEDIAN FLOW RATE · 1 YEAR
17cfs
Optimal band: 14–20 cfs
PERIOD HIGH
23cfs
PERIOD LOW
13cfs
RUNNABLE
95%
last 1 year in band
Precipitation History
Your History · City Of Boulder Effluent Release To Boulder Creek
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Weather Conditions
WEATHER CONDITIONS
TODAY
90°
53°
SAT
91°
65°
SUN
95°
64°
MON
94°
63°
TUE
92°
61°
WED
91°
62°
THU
97°
64°
FISH INDEX
Temperature
Ideal
Wind
Light
Pressure
Falling — Active
Moon Phase
Average
DAYLIGHT
SUNRISE
05:33 AM
SUNSET
08:33 PM
15H 0M OF DAYLIGHT14H 31M REMAINING
MOON PHASE
Waxing Gibbous
85% illuminated
Station Location
40.0514, -105.1774Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-06-26 06:02 UTC
Site #BOCEFFCO·CO DWR
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