MEDIAN FLOW RATE · 1 YEAR
307cfs 44.7% vs avg
Optimal band: 17–23 cfs
PERIOD HIGH
6,283cfs
PERIOD LOW
1cfs
RUNNABLE
13%
last 1 year in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
23.2in
≈ normal
23.24 in of precipitation so far this year — about average for this point in the season (normal 20.78 in).
YTD Total
23.2in
This year so far
Normal to Date
20.8in
30-yr average
Typical Range
14.1–25.8in
10th–90th pct YTD
Departure
+12%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.32" · normal 2.29" (1.0–3.8)
Feb: 0.44" · normal 2.02" (0.7–3.1)
Mar: 4.14" · normal 2.88" (1.5–4.7)
Apr: 6.37" · normal 4.25" (2.7–6.4)
May: 1.45" · normal 4.69" (2.2–7.8)
Jun: 9.47" · normal 4.48" (1.9–7.2)
Jul: 0.05" (so far)· normal 3.78" (1.8–5.6)
Aug: normal 3.57" (2.0–6.0)
Sep: normal 3.03" (1.1–4.8)
Oct: normal 3.31" (1.6–6.7)
Nov: normal 2.78" (1.5–5.0)
Dec: normal 2.19" (1.3–3.7)
Baseline 1991–2020 · Source: Open-Meteo06:08 AM
Your History · MAZON RIVER NEAR COAL CITY, IL
Track your history
Sign in to track your sessions at MAZON RIVER NEAR COAL CITY, IL — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
93°
77°
FRI
90°
73°
SAT
90°
68°
SUN
81°
69°
MON
76°
62°
TUE
81°
63°
WED
83°
65°
FISH INDEX
Temperature
Warm
Wind
Light
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:24 AM
SUNSET
08:30 PM
15H 6M OF DAYLIGHT13H 1M REMAINING
MOON PHASE
Waning Gibbous
94% illuminated
Station Location
41.2862, -88.3599Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-02 07:29 UTC
Site #05542000·USGS
Create a free account to save favorites, set flow alerts, and track conditions