MEDIAN FLOW RATE · 1 YEAR
—cfs
No flow data available
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
15.0in
+31% vs normal
15 in of precipitation so far this year, 31% above the 30-year normal of 11.47 in for this point in the season.
YTD Total
15.0in
This year so far
Normal to Date
11.5in
30-yr average
Typical Range
9.7–14.2in
10th–90th pct YTD
Departure
+31%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.24" · normal 0.92" (0.5–1.3)
Feb: 2.25" · normal 0.90" (0.4–1.5)
Mar: 2.10" · normal 1.23" (0.7–2.0)
Apr: 2.77" · normal 2.27" (1.6–3.1)
May: 2.45" · normal 2.79" (1.6–4.1)
Jun: 4.15" · normal 3.13" (1.5–4.6)
Jul: 0.05" (so far)· normal 1.22" (0.3–2.4)
Aug: normal 1.14" (0.3–2.3)
Sep: normal 1.44" (0.7–2.2)
Oct: normal 1.32" (0.6–2.4)
Nov: normal 1.09" (0.5–2.0)
Dec: normal 1.01" (0.4–1.6)
Baseline 1991–2020 · Source: Open-Meteo01:19 AM
Your History · Missouri R bl Canyon Ferry Dam nr Helena MT
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Weather Conditions
WEATHER CONDITIONS
TODAY
76°
51°
FRI
80°
56°
SAT
88°
59°
SUN
92°
61°
MON
79°
58°
TUE
82°
59°
WED
96°
61°
FISH INDEX
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:38 AM
SUNSET
09:23 PM
15H 45M OF DAYLIGHT20H 4M REMAINING
MOON PHASE
Waning Gibbous
90% illuminated
Station Location
46.6494, -111.7283Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-03 01:19 UTC
Site #06058502·USGS
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