MEDIAN FLOW RATE · 30 DAY
0cfs
Optimal band: 2–2 cfs
PERIOD HIGH
4cfs
PERIOD LOW
1cfs
RUNNABLE
27%
last 30 day in band
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
8.4in
-39% vs normal
8.37 in of precipitation so far this year, 39% below the 30-year normal of 13.81 in for this point in the season.
YTD Total
8.4in
This year so far
Normal to Date
13.8in
30-yr average
Typical Range
9.7–17.7in
10th–90th pct YTD
Departure
-39%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.97" · normal 0.97" (0.3–1.6)
Feb: 0.41" · normal 1.06" (0.5–1.7)
Mar: 1.14" · normal 2.09" (1.3–2.8)
Apr: 1.99" · normal 3.14" (1.4–4.5)
May: 3.40" · normal 3.96" (2.5–5.6)
Jun: 0.47" (so far)· normal 3.13" (1.5–4.9)
Jul: normal 3.17" (1.4–4.9)
Aug: normal 3.15" (1.5–5.3)
Sep: normal 2.12" (0.5–3.5)
Oct: normal 1.85" (0.7–3.1)
Nov: normal 1.33" (0.7–2.3)
Dec: normal 0.91" (0.4–1.5)
Baseline 1991–2020 · Source: Open-Meteo05:37 PM
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Weather Conditions
WEATHER CONDITIONS
TODAY
83°
56°
WED
92°
58°
THU
85°
60°
FRI
89°
64°
SAT
95°
64°
SUN
94°
65°
MON
91°
66°
FISH INDEX
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:33 AM
SUNSET
08:32 PM
14H 59M OF DAYLIGHT1H 34M REMAINING
MOON PHASE
First Quarter
62% illuminated
Station Location
39.8263, -105.2218Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-06-23 18:58 UTC
Site #ARVINLCO·CO DWR
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