Waterlands
South Branch
USGS · 04102700
SOUTH BRANCH
USGS · 04102700LIVE

SOUTH BRANCH BLACK RIVER NEAR BANGOR, MI

MICHIGAN42.3542°N, -86.1875°W Updated 11 hr ago
FLOW RATE
317cfs
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
317cfs 17.4% vs avg
Optimal band: 5371 cfs
PERIOD HIGH
1,010cfs
PERIOD LOW
25cfs
RUNNABLE
19%
last 1 year in band
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

22.2in

≈ normal

22.24 in of precipitation so far this year — about average for this point in the season (normal 20.25 in).

YTD Total

22.2in

This year so far

Normal to Date

20.3in

30-yr average

Typical Range

15.3–25.7in

10th–90th pct YTD

Departure

+10%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 3.19" · normal 2.81" (1.4–4.5)
Jan
Feb: 1.44" · normal 2.18" (1.1–3.3)
Feb
Mar: 3.82" · normal 2.56" (1.2–4.1)
Mar
Apr: 7.02" · normal 3.81" (2.0–5.7)
Apr
May: 1.14" · normal 3.96" (1.9–5.7)
May
Jun: 4.63" · normal 4.02" (1.7–6.6)
Jun
Jul: 1.00" (so far)· normal 4.03" (2.8–5.1)
Jul
Aug: normal 4.06" (2.0–6.0)
Aug
Sep: normal 3.45" (1.5–5.6)
Sep
Oct: normal 3.69" (1.8–6.8)
Oct
Nov: normal 2.90" (1.8–4.7)
Nov
Dec: normal 2.61" (1.6–3.6)
Dec
Baseline 19912020 · Source: Open-Meteo10:03 AM
Your History · SOUTH BRANCH BLACK RIVER NEAR BANGOR, MI

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Station Location

42.3542, -86.1875
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DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC
Site #04102700·USGS

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