MEDIAN FLOW RATE · 30 DAY
2cfs
Optimal band: 1–1 cfs
PERIOD HIGH
2cfs
PERIOD LOW
1cfs
RUNNABLE
63%
last 30 day in band
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
5.5in
-42% vs normal
5.53 in of precipitation so far this year, 42% below the 30-year normal of 9.51 in for this point in the season.
YTD Total
5.5in
This year so far
Normal to Date
9.5in
30-yr average
Typical Range
6.5–12.1in
10th–90th pct YTD
Departure
-42%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.48" · normal 0.47" (0.1–0.7)
Feb: 0.28" · normal 0.52" (0.2–0.8)
Mar: 0.77" · normal 1.25" (0.4–2.0)
Apr: 0.59" · normal 2.02" (0.9–3.2)
May: 2.04" · normal 2.81" (1.3–4.9)
Jun: 1.19" · normal 1.88" (0.7–3.3)
Jul: 0.17" (so far)· normal 1.54" (0.6–2.4)
Aug: normal 1.47" (0.5–2.3)
Sep: normal 1.20" (0.2–1.9)
Oct: normal 1.37" (0.6–2.5)
Nov: normal 0.75" (0.3–1.4)
Dec: normal 0.52" (0.1–1.0)
Baseline 1991–2020 · Source: Open-Meteo06:33 UTC
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Weather Conditions
WEATHER CONDITIONS
TODAY
98°
62°
MON
100°
61°
TUE
99°
65°
WED
100°
66°
THU
102°
62°
FRI
101°
59°
SAT
102°
62°
FISH INDEX
Temperature
Ideal
Wind
Light
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:38 AM
SUNSET
08:28 PM
14H 50M OF DAYLIGHT
MOON PHASE
Waning Crescent
6% illuminated
Station Location
40.3680, -104.4278Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-07-11 00:00 UTC
Site #ILLRTNCO·CO DWR
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