MEDIAN FLOW RATE · 30 DAY
—cfs
No flow data available
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
15.6in
+36% vs normal
15.62 in of precipitation so far this year, 36% above the 30-year normal of 11.45 in for this point in the season.
YTD Total
15.6in
This year so far
Normal to Date
11.4in
30-yr average
Typical Range
8.5–15.7in
10th–90th pct YTD
Departure
+36%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.43" · normal 1.15" (0.5–1.9)
Feb: 2.49" · normal 0.93" (0.3–1.7)
Mar: 2.07" · normal 1.37" (0.6–2.1)
Apr: 5.70" · normal 2.35" (1.2–3.5)
May: 1.35" · normal 2.96" (1.8–4.3)
Jun: 2.59" (so far)· normal 2.88" (1.6–4.0)
Jul: normal 3.28" (1.8–5.3)
Aug: normal 2.83" (1.6–4.1)
Sep: normal 3.27" (1.4–4.9)
Oct: normal 2.93" (1.6–4.8)
Nov: normal 2.00" (0.9–2.8)
Dec: normal 1.55" (0.8–2.4)
Baseline 1991–2020 · Source: Open-Meteo07:22 PM
Your History · GRAND PORTAGE RIVER AT GRAND PORTAGE MN
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Weather Conditions
WEATHER CONDITIONS
TODAY
72°
56°
MON
73°
61°
TUE
89°
64°
WED
84°
61°
THU
80°
62°
FRI
78°
63°
SAT
77°
62°
FISH INDEX
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:02 AM
SUNSET
09:02 PM
16H 0M OF DAYLIGHT0H 35M REMAINING
MOON PHASE
Full Moon
98% illuminated
PEAK ACTIVITY
Station Location
47.9636, -89.6834Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-28 20:27 UTC
Site #04010510·USGS
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