MEDIAN FLOW RATE · 1 YEAR
68cfs 0.1% vs avg
Optimal band: 20–26 cfs
PERIOD HIGH
441cfs
PERIOD LOW
5cfs
RUNNABLE
34%
last 1 year in band
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
11.3in
-25% vs normal
11.34 in of precipitation so far this year, 25% below the 30-year normal of 15.08 in for this point in the season.
YTD Total
11.3in
This year so far
Normal to Date
15.1in
30-yr average
Typical Range
12.1–18.1in
10th–90th pct YTD
Departure
-25%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.74" · normal 1.58" (0.9–2.5)
Feb: 1.93" · normal 1.62" (0.8–2.4)
Mar: 2.92" · normal 2.08" (1.1–3.3)
Apr: 2.19" · normal 2.64" (2.0–3.3)
May: 2.88" · normal 3.58" (2.5–4.7)
Jun: 0.69" (so far)· normal 4.14" (2.4–5.7)
Jul: normal 2.07" (0.6–4.8)
Aug: normal 1.63" (0.5–2.8)
Sep: normal 2.00" (0.6–3.3)
Oct: normal 2.04" (1.2–2.8)
Nov: normal 1.94" (0.9–3.2)
Dec: normal 1.86" (1.0–2.8)
Baseline 1991–2020 · Source: Open-Meteo12:06 AM
Your History · Boulder Creek at Maxville MT
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Weather Conditions
WEATHER CONDITIONS
TODAY
77°
50°
THU
78°
58°
FRI
64°
50°
SAT
57°
43°
SUN
53°
40°
MON
62°
39°
TUE
76°
42°
FISH INDEX
Temperature
Warm
Wind
Light
Pressure
Falling — Active
Moon Phase
Average
DAYLIGHT
SUNRISE
05:41 AM
SUNSET
09:29 PM
15H 48M OF DAYLIGHT21H 21M REMAINING
MOON PHASE
Waxing Gibbous
74% illuminated
Station Location
46.4717, -113.2358Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-25 00:08 UTC
Site #12330000·USGS
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