MEDIAN FLOW RATE · 30 DAY
1,093cfs 60.3% vs avg
Optimal band: 743–1,005 cfs
PERIOD HIGH
1,751cfs
PERIOD LOW
362cfs
RUNNABLE
13%
last 30 day in band
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
17.3in
+26% vs normal
17.32 in of precipitation so far this year, 26% above the 30-year normal of 13.77 in for this point in the season.
YTD Total
17.3in
This year so far
Normal to Date
13.8in
30-yr average
Typical Range
0.0–22.1in
10th–90th pct YTD
Departure
+26%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.57" · normal 0.77" (0.0–1.5)
Feb: 0.17" · normal 0.85" (0.0–1.7)
Mar: 1.48" · normal 1.65" (0.0–3.4)
Apr: 5.45" · normal 3.00" (0.0–5.5)
May: 5.44" · normal 3.49" (0.0–6.2)
Jun: 4.02" · normal 3.92" (0.0–6.7)
Jul: 0.20" (so far)· normal 2.69" (0.0–5.5)
Aug: normal 2.99" (0.0–6.7)
Sep: normal 2.46" (0.0–5.5)
Oct: normal 1.85" (0.0–4.0)
Nov: normal 1.18" (0.0–2.2)
Dec: normal 0.94" (0.0–1.7)
Baseline 1991–2020 · Source: Open-Meteo05:53 PM
Your History · Little Sioux River at Linn Grove, IA
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Weather Conditions
WEATHER CONDITIONS
TODAY
87°
70°
THU
89°
68°
FRI
94°
66°
SAT
85°
64°
SUN
83°
66°
MON
81°
65°
TUE
85°
64°
FISH INDEX
Temperature
Too Hot
Wind
Moderate
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:46 AM
SUNSET
09:03 PM
15H 17M OF DAYLIGHT1H 45M REMAINING
MOON PHASE
Full Moon
96% illuminated
PEAK ACTIVITY
Station Location
42.8963, -95.2430Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-01 19:18 UTC
Site #06605850·USGS
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