MEDIAN FLOW RATE · 7 DAY
113cfs 21.7% vs avg
Optimal band: 201–271 cfs
PERIOD HIGH
374cfs
PERIOD LOW
113cfs
RUNNABLE
13%
last 7 day in band
Gauge Height
6.07ft
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
16.7in
-15% vs normal
16.66 in of precipitation so far this year, 15% below the 30-year normal of 19.63 in for this point in the season.
YTD Total
16.7in
This year so far
Normal to Date
19.6in
30-yr average
Typical Range
15.7–24.4in
10th–90th pct YTD
Departure
-15%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.63" · normal 0.89" (0.4–1.4)
Feb: 0.10" · normal 1.07" (0.4–1.7)
Mar: 1.63" · normal 2.12" (1.0–3.5)
Apr: 6.08" · normal 3.93" (2.4–6.5)
May: 3.14" · normal 4.81" (2.1–7.7)
Jun: 3.01" · normal 5.28" (2.9–8.2)
Jul: 2.08" (so far)· normal 3.13" (0.9–5.3)
Aug: normal 3.73" (1.5–5.9)
Sep: normal 2.89" (0.9–5.3)
Oct: normal 2.43" (0.7–4.7)
Nov: normal 1.70" (0.3–3.3)
Dec: normal 1.14" (0.4–2.2)
Baseline 1991–2020 · Source: Open-Meteo15:14 UTC
Your History · Floyd River at Alton, IA
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Weather Conditions
WEATHER CONDITIONS
TODAY
90°
64°
TUE
94°
66°
WED
93°
68°
THU
95°
67°
FRI
101°
70°
SAT
89°
70°
SUN
92°
63°
FISH INDEX
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:57 AM
SUNSET
09:02 PM
15H 5M OF DAYLIGHT
MOON PHASE
New Moon
2% illuminated
PEAK ACTIVITY
Station Location
42.9828, -96.0003Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-13 00:00 UTC
Site #06600100·USGS
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