MEDIAN FLOW RATE · 30 DAY
22cfs 47.1% vs avg
Optimal band: 20–28 cfs
PERIOD HIGH
124cfs
PERIOD LOW
8cfs
RUNNABLE
26%
last 30 day in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
11.4in
≈ normal
11.44 in of precipitation so far this year — about average for this point in the season (normal 12.61 in).
YTD Total
11.4in
This year so far
Normal to Date
12.6in
30-yr average
Typical Range
10.0–16.1in
10th–90th pct YTD
Departure
-9%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.71" · normal 0.90" (0.6–1.3)
Feb: 1.16" · normal 0.92" (0.4–1.5)
Mar: 2.21" · normal 1.38" (0.8–2.2)
Apr: 1.66" · normal 2.33" (1.6–3.3)
May: 2.45" · normal 2.99" (1.9–4.0)
Jun: 3.10" · normal 3.55" (1.6–5.4)
Jul: 0.15" (so far)· normal 1.58" (0.5–3.4)
Aug: normal 1.40" (0.4–3.0)
Sep: normal 1.52" (0.6–2.2)
Oct: normal 1.49" (0.7–2.6)
Nov: normal 1.16" (0.5–1.8)
Dec: normal 1.05" (0.4–1.7)
Baseline 1991–2020 · Source: Open-Meteo06:47 AM
Your History · Tenmile Creek near Helena MT
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Weather Conditions
WEATHER CONDITIONS
TODAY
90°
62°
THU
86°
63°
FRI
92°
58°
SAT
101°
63°
SUN
101°
67°
MON
98°
66°
TUE
99°
68°
FISH INDEX
Temperature
Ideal
Wind
Light
Pressure
Rising — Slow
Moon Phase
Good
DAYLIGHT
SUNRISE
05:44 AM
SUNSET
09:22 PM
15H 38M OF DAYLIGHT
MOON PHASE
Last Quarter
40% illuminated
Station Location
46.6050, -112.0883Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-08 00:00 UTC
Site #06063000·USGS
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