USGS · 01119500

WILLIMANTIC RIVER

USGS · 01119500LIVE

WILLIMANTIC RIVER NEAR COVENTRY, CT

MANSFIELD, CT41.7505°N, -72.2656°W Updated 16 hr ago

FLOW RATE

161cfs

AIR TEMP

84°F

WIND

9mph SW

FISH INDEX

56SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

161cfs 50.1% vs avg

Optimal band: 42–56 cfs

PERIOD HIGH

227cfs

PERIOD LOW

35cfs

RUNNABLE

39%

last 30 day in band

Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

24.4in

≈ normal

24.42 in of precipitation so far this year — about average for this point in the season (normal 22.36 in).

YTD Total

24.4in

This year so far

Normal to Date

22.4in

30-yr average

Typical Range

17.6–26.4in

10th–90th pct YTD

Departure

+9%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 3.26" · normal 3.47" (2.2–5.6)

Jan

Feb: 2.16" · normal 3.09" (1.7–4.6)

Feb

Mar: 5.44" · normal 4.15" (2.1–6.6)

Mar

Apr: 2.87" · normal 3.67" (2.0–6.0)

Apr

May: 3.56" · normal 3.21" (2.0–4.3)

May

Jun: 3.90" · normal 3.86" (1.8–6.7)

Jun

Jul: 3.22" (so far)· normal 3.59" (1.7–6.1)

Jul

Aug: normal 4.10" (2.4–7.0)

Aug

Sep: normal 3.92" (1.4–7.7)

Sep

Oct: normal 4.12" (1.2–6.8)

Oct

Nov: normal 3.49" (1.7–4.8)

Nov

Dec: normal 4.18" (2.2–6.8)

Dec

Baseline 1991–2020 · Source: Open-Meteo03:45 PM

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Station Location

41.7505, -72.2656

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DATA · USGS · NOAA · NWSUPDATED 2026-07-09 00:00 UTC

Site #01119500·USGS

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