MEDIAN FLOW RATE · 1 YEAR
790cfs 18.9% vs avg
Optimal band: 220–298 cfs
PERIOD HIGH
4,449cfs
PERIOD LOW
170cfs
RUNNABLE
54%
last 1 year in band
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
12.9in
+27% vs normal
12.94 in of precipitation so far this year, 27% above the 30-year normal of 10.23 in for this point in the season.
YTD Total
12.9in
This year so far
Normal to Date
10.2in
30-yr average
Typical Range
8.5–12.9in
10th–90th pct YTD
Departure
+27%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.34" · normal 0.72" (0.3–1.1)
Feb: 0.52" · normal 0.71" (0.3–1.1)
Mar: 1.92" · normal 0.96" (0.5–1.5)
Apr: 2.31" · normal 2.05" (1.3–3.1)
May: 3.25" · normal 2.50" (1.3–3.8)
Jun: 4.45" · normal 2.94" (1.6–4.7)
Jul: 0.15" (so far)· normal 0.98" (0.2–2.1)
Aug: normal 1.15" (0.2–2.3)
Sep: normal 1.41" (0.4–2.1)
Oct: normal 1.27" (0.6–2.2)
Nov: normal 0.86" (0.4–1.3)
Dec: normal 0.75" (0.3–1.5)
Baseline 1991–2020 · Source: Open-Meteo12:34 AM
Your History · Sun River near Vaughn MT
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Weather Conditions
WEATHER CONDITIONS
TODAY
83°
55°
WED
90°
60°
THU
87°
60°
FRI
90°
56°
SAT
100°
61°
SUN
95°
65°
MON
96°
61°
FISH INDEX
Temperature
Too Hot
Wind
Light
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:37 AM
SUNSET
09:24 PM
15H 47M OF DAYLIGHT
MOON PHASE
Last Quarter
43% illuminated
Station Location
47.5258, -111.5110Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-08 00:00 UTC
Site #06089000·USGS
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