MEDIAN FLOW RATE · 30 DAY
6cfs
Optimal band: 9–12 cfs
PERIOD HIGH
12cfs
PERIOD LOW
4cfs
RUNNABLE
67%
last 30 day in band
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-Meteo07:06 AM
Your History · Butte Mill Ditch
Track your history
Sign in to track your sessions at Butte Mill Ditch — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
71°
61°
FRI
95°
57°
SAT
95°
63°
SUN
96°
63°
MON
93°
63°
TUE
93°
62°
WED
96°
64°
FISH INDEX
Temperature
Ideal
Wind
Calm
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:33 AM
SUNSET
08:33 PM
15H 0M OF DAYLIGHT10H 1M REMAINING
MOON PHASE
Waxing Gibbous
78% illuminated
Station Location
40.0309, -105.2157Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-06-25 10:32 UTC
Site #BMLDITCO·CO DWR
Create a free account to save favorites, set flow alerts, and track conditions