MEDIAN FLOW RATE · 30 DAY
331,190cfs 1.4% vs avg
Optimal band: 194,783–263,529 cfs
PERIOD HIGH
434,042cfs
PERIOD LOW
121,013cfs
RUNNABLE
48%
last 30 day in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
22.8in
≈ normal
22.76 in of precipitation so far this year — about average for this point in the season (normal 25.7 in).
YTD Total
22.8in
This year so far
Normal to Date
25.7in
30-yr average
Typical Range
20.0–31.3in
10th–90th pct YTD
Departure
-11%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.49" · normal 3.74" (1.6–5.6)
Feb: 0.79" · normal 3.60" (1.6–5.8)
Mar: 4.47" · normal 4.67" (2.9–7.0)
Apr: 4.29" · normal 5.36" (2.6–8.7)
May: 5.62" · normal 4.63" (2.7–6.3)
Jun: 5.87" · normal 3.32" (1.6–5.5)
Jul: 0.24" (so far)· normal 3.12" (1.4–4.9)
Aug: normal 2.70" (0.6–4.7)
Sep: normal 3.16" (0.8–6.2)
Oct: normal 3.79" (1.4–7.1)
Nov: normal 4.08" (2.1–7.3)
Dec: normal 3.95" (2.0–6.0)
Baseline 1991–2020 · Source: Open-Meteo04:37 AM
Your History · OHIO RIVER AT OLMSTED, IL
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Weather Conditions
WEATHER CONDITIONS
TODAY
91°
70°
SUN
88°
69°
MON
90°
68°
TUE
86°
71°
WED
90°
71°
THU
88°
73°
FRI
90°
71°
FISH INDEX
Temperature
Warm
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:41 AM
SUNSET
08:20 PM
14H 39M OF DAYLIGHT14H 34M REMAINING
MOON PHASE
Waning Gibbous
81% illuminated
Station Location
37.1792, -89.0584Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-04 05:46 UTC
Site #03612600·USGS
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