Waterlands
Detroit R River
USGS · 421337083074201
DETROIT R RIVER
USGS · 421337083074201LIVE

Detroit R at SW Water Intake nr Grassy Island, MI

MICHIGAN42.2269°N, -83.1293°W
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
cfs
No flow data available
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

20.0in

≈ normal

19.97 in of precipitation so far this year — about average for this point in the season (normal 19.23 in).

YTD Total

20.0in

This year so far

Normal to Date

19.2in

30-yr average

Typical Range

14.8–22.8in

10th–90th pct YTD

Departure

+4%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 1.94" · normal 2.50" (1.1–3.8)
Jan
Feb: 0.96" · normal 2.16" (1.2–3.3)
Feb
Mar: 2.91" · normal 2.56" (1.3–3.8)
Mar
Apr: 4.71" · normal 3.57" (2.1–5.6)
Apr
May: 2.71" · normal 3.66" (2.1–5.3)
May
Jun: 4.20" · normal 3.66" (2.0–5.8)
Jun
Jul: 2.53" (so far)· normal 3.23" (1.6–4.6)
Jul
Aug: normal 3.39" (2.0–5.1)
Aug
Sep: normal 2.84" (1.3–4.7)
Sep
Oct: normal 2.74" (1.5–4.1)
Oct
Nov: normal 2.74" (1.6–3.6)
Nov
Dec: normal 2.46" (1.5–3.4)
Dec
Baseline 19912020 · Source: Open-Meteo03:01 UTC
Your History · Detroit R at SW Water Intake nr Grassy Island, MI

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Station Location

42.2269, -83.1293
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DATA · USGS · NOAA · NWS
Site #421337083074201·USGS

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