USGS · 04182769

ST. MARYS RIVER

USGS · 04182769LIVE

ST. MARYS RIVER AT MAIN ST. AT FORT WAYNE, IN

INDIANA41.0786°N, -85.1544°W Updated 1 hr ago

FLOW RATE

156cfs

AIR TEMP

76°F

WIND

4mph WNW

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

156cfs 64.4% vs avg

Optimal band: 129–175 cfs

PERIOD HIGH

241cfs

PERIOD LOW

120cfs

RUNNABLE

63%

last 7 day in band

Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

22.5in

≈ normal

22.52 in of precipitation so far this year — about average for this point in the season (normal 21.33 in).

YTD Total

22.5in

This year so far

Normal to Date

21.3in

30-yr average

Typical Range

16.5–25.1in

10th–90th pct YTD

Departure

+6%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 1.54" · normal 2.74" (1.4–4.2)

Jan

Feb: 1.90" · normal 2.34" (1.2–3.5)

Feb

Mar: 4.31" · normal 3.22" (1.9–4.5)

Mar

Apr: 5.77" · normal 4.07" (2.5–5.8)

Apr

May: 3.14" · normal 4.10" (2.2–6.0)

May

Jun: 4.25" · normal 4.07" (2.3–5.5)

Jun

Jul: 1.61" (so far)· normal 3.42" (2.1–5.3)

Jul

Aug: normal 3.16" (1.7–4.8)

Aug

Sep: normal 2.55" (1.0–4.4)

Sep

Oct: normal 2.87" (1.6–4.2)

Oct

Nov: normal 3.09" (1.5–4.4)

Nov

Dec: normal 2.62" (1.5–4.0)

Dec

Baseline 1991–2020 · Source: Open-Meteo01:36 AM

Your History · ST. MARYS RIVER AT MAIN ST. AT FORT WAYNE, IN

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Station Location

41.0786, -85.1544

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DATA · USGS · NOAA · NWSUPDATED 2026-07-08 00:00 UTC

Site #04182769·USGS

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