MEDIAN FLOW RATE · 7 DAY
18cfs 74.8% vs avg
Optimal band: 17–23 cfs
PERIOD HIGH
25cfs
PERIOD LOW
6cfs
RUNNABLE
50%
last 7 day in band
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
27.6in
+25% vs normal
27.59 in of precipitation so far this year, 25% above the 30-year normal of 22.04 in for this point in the season.
YTD Total
27.6in
This year so far
Normal to Date
22.0in
30-yr average
Typical Range
16.6–28.7in
10th–90th pct YTD
Departure
+25%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.56" · normal 2.59" (1.1–4.4)
Feb: 1.06" · normal 2.37" (1.0–4.0)
Mar: 4.43" · normal 3.70" (2.0–5.8)
Apr: 7.28" · normal 4.60" (2.9–6.5)
May: 5.25" · normal 4.86" (2.6–7.0)
Jun: 8.03" (so far)· normal 4.12" (2.1–6.2)
Jul: normal 3.59" (1.2–5.6)
Aug: normal 3.19" (1.6–5.2)
Sep: normal 3.26" (1.4–5.6)
Oct: normal 3.33" (1.6–5.6)
Nov: normal 3.51" (1.5–6.8)
Dec: normal 2.48" (1.4–3.9)
Baseline 1991–2020 · Source: Open-Meteo04:16 AM
Your History · Dardenne Creek at O'Fallon, MO
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Weather Conditions
WEATHER CONDITIONS
TODAY
94°
74°
MON
94°
75°
TUE
97°
74°
WED
97°
74°
THU
98°
75°
FRI
93°
74°
SAT
94°
75°
FISH INDEX
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:40 AM
SUNSET
08:31 PM
14H 51M OF DAYLIGHT15H 12M REMAINING
MOON PHASE
Full Moon
96% illuminated
PEAK ACTIVITY
Station Location
38.7404, -90.6951Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-28 05:19 UTC
Site #05514840·USGS
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