USGS · 04146063

SOUTH BRANCH

USGS · 04146063LIVE

SOUTH BRANCH FLINT RIVER NEAR COLUMBIAVILLE,MI

MARATHON TOWNSHIP, MI43.1595°N, -83.3508°W Updated 11 hr ago

FLOW RATE

101cfs

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

101cfs 1.9% vs avg

Optimal band: 92–124 cfs

PERIOD HIGH

1,771cfs

PERIOD LOW

28cfs

RUNNABLE

10%

last 1 year in band

Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

18.7in

≈ normal

18.72 in of precipitation so far this year — about average for this point in the season (normal 18.01 in).

YTD Total

18.7in

This year so far

Normal to Date

18.0in

30-yr average

Typical Range

13.9–21.9in

10th–90th pct YTD

Departure

+4%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 2.24" · normal 2.34" (1.1–3.9)

Jan

Feb: 1.48" · normal 1.99" (1.0–3.3)

Feb

Mar: 3.67" · normal 2.29" (1.1–3.7)

Mar

Apr: 4.37" · normal 3.43" (1.9–5.5)

Apr

May: 1.06" · normal 3.66" (2.2–5.0)

May

Jun: 4.70" · normal 3.74" (2.0–5.9)

Jun

Jul: 1.21" (so far)· normal 3.07" (1.9–4.4)

Jul

Aug: normal 3.05" (1.5–4.3)

Aug

Sep: normal 2.91" (1.2–4.7)

Sep

Oct: normal 2.92" (1.6–5.1)

Oct

Nov: normal 2.55" (1.2–4.1)

Nov

Dec: normal 2.16" (1.2–3.2)

Dec

Baseline 1991–2020 · Source: Open-Meteo09:50 AM

Your History · SOUTH BRANCH FLINT RIVER NEAR COLUMBIAVILLE,MI

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Station Location

43.1595, -83.3508

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DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC

Site #04146063·USGS

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