MEDIAN FLOW RATE · 1 DAY
145cfs
Optimal band: 132–178 cfs
PERIOD HIGH
169cfs
PERIOD LOW
145cfs
RUNNABLE
100%
last 1 day in band
Gauge Height
16.37ft
Water Temperature
23.6°F
Water Turbidity
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
19.1in
≈ normal
19.05 in of precipitation so far this year — about average for this point in the season (normal 20.76 in).
YTD Total
19.1in
This year so far
Normal to Date
20.8in
30-yr average
Typical Range
14.9–27.7in
10th–90th pct YTD
Departure
-8%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.84" · normal 2.15" (1.0–3.5)
Feb: 0.18" · normal 2.09" (0.7–3.5)
Mar: 4.47" · normal 2.92" (1.6–4.5)
Apr: 5.16" · normal 4.41" (2.9–6.7)
May: 1.73" · normal 4.65" (2.2–7.3)
Jun: 5.68" · normal 4.40" (2.1–8.0)
Jul: 0.01" (so far)· normal 3.38" (1.3–5.2)
Aug: normal 2.88" (1.4–4.5)
Sep: normal 3.06" (1.6–5.9)
Oct: normal 2.92" (1.4–5.2)
Nov: normal 2.94" (1.1–5.2)
Dec: normal 2.27" (1.2–4.1)
Baseline 1991–2020 · Source: Open-Meteo06:21 AM
Your History · MASON TAZEWELL DRAINAGE D AT CR2350E NR TOPEKA, IL
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Weather Conditions
WEATHER CONDITIONS
TODAY
93°
74°
FRI
92°
70°
SAT
91°
69°
SUN
84°
69°
MON
82°
66°
TUE
81°
65°
WED
84°
68°
FISH INDEX
Temperature
Warm
Wind
Light
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:34 AM
SUNSET
08:33 PM
14H 59M OF DAYLIGHT14H 11M REMAINING
MOON PHASE
Waning Gibbous
94% illuminated
Station Location
40.3266, -89.9141Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-02 06:22 UTC
Site #05568705·USGS
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