MEDIAN FLOW RATE · 7 DAY
281cfs 132.4% vs avg
Optimal band: 528–714 cfs
PERIOD HIGH
1,410cfs
PERIOD LOW
281cfs
RUNNABLE
25%
last 7 day in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
15.3in
≈ normal
15.31 in of precipitation so far this year — about average for this point in the season (normal 14.35 in).
YTD Total
15.3in
This year so far
Normal to Date
14.3in
30-yr average
Typical Range
11.5–17.2in
10th –90th pct YTD
Departure
+7%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.58" · normal 1.47" (0.8–2.2)
Feb: 1.25" · normal 1.41" (0.4–2.3)
Mar: 3.50" · normal 1.74" (0.9–2.9)
Apr: 1.66" · normal 2.38" (1.6–3.3)
May: 3.54" · normal 3.31" (2.0–4.7)
Jun: 4.56" · normal 3.53" (2.0–5.5)
Jul: 0.23" (so far)· normal 1.57" (0.3–3.3)
Aug: normal 1.61" (0.6–2.8)
Sep: normal 1.64" (0.6–2.5)
Oct: normal 1.73" (0.9–2.9)
Nov: normal 1.57" (0.8–2.7)
Dec: normal 1.51" (0.8–2.6)
Baseline 1991–2020 · Source: Open-Meteo12:34 AM
Your History · Sun River bl Diversion Dam nr Augusta MT
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Weather Conditions
WEATHER CONDITIONS
TODAY
80°
54°
WED
85°
60°
THU
78°
58°
FRI
81°
52°
SAT
88°
58°
SUN
84°
58°
MON
92°
59°
FISH INDEX
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:41 AM
SUNSET
09:29 PM
15H 48M OF DAYLIGHT
MOON PHASE
Last Quarter
43% illuminated
Station Location
47.6185, -112.6921Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-08 00:00 UTC
Site #06080900·USGS
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