USGS · 01077400

COCKERMOUTH RIVER

USGS · 01077400LIVE

COCKERMOUTH RIVER BELOW HARDY BROOK, AT GROTON, NH

GROTON, NH43.7039°N, -71.8333°W

AIR TEMP

71°F

WIND

5mph SSW

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

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

23.4in

≈ normal

23.39 in of precipitation so far this year — about average for this point in the season (normal 22.94 in).

YTD Total

23.4in

This year so far

Normal to Date

22.9in

30-yr average

Typical Range

18.2–27.3in

10th–90th pct YTD

Departure

+2%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 2.75" · normal 3.09" (1.9–4.7)

Jan

Feb: 1.26" · normal 2.88" (1.6–3.8)

Feb

Mar: 4.26" · normal 3.59" (2.1–5.3)

Mar

Apr: 2.90" · normal 3.94" (2.4–6.1)

Apr

May: 6.55" · normal 3.56" (1.7–5.1)

May

Jun: 5.23" · normal 4.15" (1.9–5.6)

Jun

Jul: 0.45" (so far)· normal 4.20" (2.3–6.2)

Jul

Aug: normal 3.60" (1.9–5.3)

Aug

Sep: normal 3.50" (1.8–5.4)

Sep

Oct: normal 4.61" (1.7–7.8)

Oct

Nov: normal 3.68" (2.3–4.8)

Nov

Dec: normal 4.05" (2.4–5.3)

Dec

Baseline 1991–2020 · Source: Open-Meteo01:05 UTC

Your History · COCKERMOUTH RIVER BELOW HARDY BROOK, AT GROTON, NH

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Station Location

43.7039, -71.8333

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