MEDIAN FLOW RATE · 7 DAY
17cfs 89.7% vs avg
Optimal band: 23–31 cfs
PERIOD HIGH
50cfs
PERIOD LOW
12cfs
RUNNABLE
38%
last 7 day in band
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
7.2in
-35% vs normal
7.18 in of precipitation so far this year, 35% below the 30-year normal of 11.07 in for this point in the season.
YTD Total
7.2in
This year so far
Normal to Date
11.1in
30-yr average
Typical Range
7.7–14.6in
10th–90th pct YTD
Departure
-35%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.69" · normal 0.75" (0.2–1.1)
Feb: 0.25" · normal 0.78" (0.2–1.4)
Mar: 1.21" · normal 1.64" (0.8–2.7)
Apr: 0.93" · normal 2.63" (1.1–4.0)
May: 3.57" · normal 3.32" (1.7–5.5)
Jun: 0.54" (so far)· normal 2.12" (0.4–4.1)
Jul: normal 1.69" (0.5–3.1)
Aug: normal 1.59" (0.4–3.0)
Sep: normal 1.53" (0.3–2.8)
Oct: normal 1.59" (0.6–2.7)
Nov: normal 1.07" (0.5–2.0)
Dec: normal 0.71" (0.3–1.2)
Baseline 1991–2020 · Source: Open-Meteo12:11 AM
Your History · BOULDER CREEK AT MOUTH NEAR LONGMONT, CO
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Weather Conditions
WEATHER CONDITIONS
TODAY
83°
62°
THU
68°
60°
FRI
93°
54°
SAT
98°
62°
SUN
98°
62°
MON
93°
59°
TUE
95°
62°
FISH INDEX
Temperature
Too Hot
Wind
Moderate
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:31 AM
SUNSET
08:33 PM
15H 2M OF DAYLIGHT20H 22M REMAINING
MOON PHASE
Waxing Gibbous
74% illuminated
Station Location
40.1388, -105.0202Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-25 00:11 UTC
Site #06730500·USGS
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