MEDIAN FLOW RATE · 1 YEAR
44,331cfs 17.2% vs avg
Optimal band: 40,450–54,726 cfs
PERIOD HIGH
136,993cfs
PERIOD LOW
14,071cfs
RUNNABLE
19%
last 1 year in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
22.6in
≈ normal
22.62 in of precipitation so far this year — about average for this point in the season (normal 20.02 in).
YTD Total
22.6in
This year so far
Normal to Date
20.0in
30-yr average
Typical Range
14.7–25.7in
10th–90th pct YTD
Departure
+13%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.97" · normal 1.81" (1.0–2.9)
Feb: 0.39" · normal 1.90" (0.7–3.5)
Mar: 3.06" · normal 2.66" (1.2–4.6)
Apr: 7.91" · normal 4.24" (2.7–5.8)
May: 1.68" · normal 4.72" (1.9–8.3)
Jun: 8.59" · normal 4.49" (2.3–7.2)
Jul: 0.02" (so far)· normal 3.79" (1.7–5.8)
Aug: normal 3.61" (1.2–5.9)
Sep: normal 3.32" (1.6–5.8)
Oct: normal 2.76" (1.0–5.3)
Nov: normal 2.49" (0.8–4.1)
Dec: normal 2.13" (1.0–4.1)
Baseline 1991–2020 · Source: Open-Meteo07:03 PM
Your History · Mississippi River at Clinton, IA
Track your history
Sign in to track your sessions at Mississippi River at Clinton, IA — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
91°
75°
FRI
87°
71°
SAT
89°
72°
SUN
84°
68°
MON
80°
61°
TUE
82°
60°
WED
83°
65°
FISH INDEX
Temperature
Too Hot
Wind
Moderate
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:30 AM
SUNSET
08:39 PM
15H 9M OF DAYLIGHT0H 0M REMAINING
MOON PHASE
Waning Gibbous
90% illuminated
Station Location
41.7806, -90.2521Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-02 23:57 UTC
Site #05420500·USGS
Create a free account to save favorites, set flow alerts, and track conditions