MEDIAN FLOW RATE · 30 DAY
—cfs
No flow data available
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
7.6in
-43% vs normal
7.62 in of precipitation so far this year, 43% below the 30-year normal of 13.38 in for this point in the season.
YTD Total
7.6in
This year so far
Normal to Date
13.4in
30-yr average
Typical Range
8.7–17.3in
10th–90th pct YTD
Departure
-43%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.88" · normal 0.94" (0.4–1.7)
Feb: 0.60" · normal 1.02" (0.3–1.6)
Mar: 1.60" · normal 1.96" (1.1–3.0)
Apr: 0.93" · normal 3.02" (1.4–4.4)
May: 2.97" · normal 3.88" (2.2–5.8)
Jun: 0.64" (so far)· normal 2.90" (1.2–4.9)
Jul: normal 2.78" (1.2–4.3)
Aug: normal 2.64" (1.2–4.1)
Sep: normal 2.06" (0.5–3.3)
Oct: normal 1.82" (0.8–3.0)
Nov: normal 1.27" (0.7–2.3)
Dec: normal 0.88" (0.3–1.5)
Baseline 1991–2020 · Source: Open-Meteo12:12 AM
Your History · BOULDER CREEK AT ARAPAHOE AVE NEAR BOULDER, CO
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Weather Conditions
WEATHER CONDITIONS
TODAY
82°
62°
THU
65°
59°
FRI
89°
54°
SAT
95°
64°
SUN
96°
64°
MON
93°
62°
TUE
92°
60°
FISH INDEX
Temperature
Warm
Wind
Moderate
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:33 AM
SUNSET
08:33 PM
15H 0M OF DAYLIGHT20H 21M REMAINING
MOON PHASE
Waxing Gibbous
74% illuminated
Station Location
40.0145, -105.2450Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-25 00:12 UTC
Site #400052105144101·USGS
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