MEDIAN FLOW RATE · 7 DAY
712cfs 53.4% vs avg
Optimal band: 572–774 cfs
PERIOD HIGH
736cfs
PERIOD LOW
550cfs
RUNNABLE
88%
last 7 day in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
22.0in
≈ normal
21.97 in of precipitation so far this year — about average for this point in the season (normal 20.18 in).
YTD Total
22.0in
This year so far
Normal to Date
20.2in
30-yr average
Typical Range
14.1–24.8in
10th–90th pct YTD
Departure
+9%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.65" · normal 2.53" (1.1–4.2)
Feb: 0.71" · normal 2.17" (0.8–3.5)
Mar: 4.13" · normal 2.93" (1.6–5.3)
Apr: 5.65" · normal 4.23" (2.5–6.5)
May: 1.18" · normal 4.50" (2.4–6.4)
Jun: 8.66" (so far)· normal 4.14" (2.1–6.6)
Jul: normal 3.95" (2.4–5.7)
Aug: normal 3.82" (2.3–5.1)
Sep: normal 3.19" (1.1–5.8)
Oct: normal 3.34" (1.7–6.0)
Nov: normal 2.86" (1.8–4.6)
Dec: normal 2.29" (1.2–3.6)
Baseline 1991–2020 · Source: Open-Meteo07:20 PM
Your History · GRAND CALUMET RIVER AT INDUSTRIAL HWY AT GARY, IN
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Weather Conditions
WEATHER CONDITIONS
TODAY
81°
63°
MON
94°
74°
TUE
95°
76°
WED
97°
78°
THU
98°
78°
FRI
95°
77°
SAT
96°
76°
FISH INDEX
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:17 AM
SUNSET
08:27 PM
15H 10M OF DAYLIGHT0H 12M REMAINING
MOON PHASE
Full Moon
98% illuminated
PEAK ACTIVITY
Station Location
41.6078, -87.3936Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-28 20:15 UTC
Site #04092677·USGS
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