MEDIAN FLOW RATE · 1 YEAR
455cfs 31.7% vs avg
Optimal band: 85–115 cfs
PERIOD HIGH
923cfs
PERIOD LOW
49cfs
RUNNABLE
37%
last 1 year in band
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
10.4in
+27% vs normal
10.37 in of precipitation so far this year, 27% above the 30-year normal of 8.16 in for this point in the season.
YTD Total
10.4in
This year so far
Normal to Date
8.2in
30-yr average
Typical Range
5.7–10.1in
10th–90th pct YTD
Departure
+27%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.18" · normal 0.63" (0.2–1.2)
Feb: 0.22" · normal 0.49" (0.2–0.8)
Mar: 1.55" · normal 0.77" (0.2–1.2)
Apr: 1.66" · normal 1.36" (0.6–2.1)
May: 1.66" · normal 2.26" (0.7–4.2)
Jun: 5.01" · normal 2.60" (1.1–4.3)
Jul: 0.10" (so far)· normal 1.05" (0.2–2.4)
Aug: normal 1.07" (0.2–2.1)
Sep: normal 1.10" (0.1–2.1)
Oct: normal 0.97" (0.3–1.4)
Nov: normal 0.75" (0.2–1.6)
Dec: normal 0.59" (0.2–1.2)
Baseline 1991–2020 · Source: Open-Meteo02:22 PM
Your History · Milk River at Merrill Rd, nr Harlem, MT
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Weather Conditions
WEATHER CONDITIONS
TODAY
82°
54°
FRI
84°
56°
SAT
88°
56°
SUN
91°
63°
MON
83°
59°
TUE
88°
66°
WED
98°
64°
FISH INDEX
Temperature
Too Hot
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:18 AM
SUNSET
09:20 PM
16H 2M OF DAYLIGHT0H 35M REMAINING
MOON PHASE
Waning Gibbous
91% illuminated
Station Location
48.5243, -108.8552Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-02 20:45 UTC
Site #06153800·USGS
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