USGS · 042490673

NORTH BRANCH

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NORTH BRANCH GRINDSTONE CREEK NEAR ALTMAR NY

NEW YORK43.4919°N, -76.0944°W

AIR TEMP

84°F

WIND

10mph WNW

FISH INDEX

50SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

—cfs

No flow data available

Precipitation History

Precipitation · YTD

Wet

Wetter than normal

2026 to date

30.5in

+17% vs normal

30.47 in of precipitation so far this year, 17% above the 30-year normal of 26.04 in for this point in the season.

YTD Total

30.5in

This year so far

Normal to Date

26.0in

30-yr average

Typical Range

21.7–32.6in

10th–90th pct YTD

Departure

+17%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 5.99" · normal 4.43" (3.0–5.8)

Jan

Feb: 2.35" · normal 3.45" (2.3–4.4)

Feb

Mar: 6.90" · normal 3.98" (2.2–5.4)

Mar

Apr: 5.95" · normal 4.68" (2.4–6.5)

Apr

May: 4.37" · normal 4.23" (2.2–6.9)

May

Jun: 4.58" · normal 4.87" (2.4–7.3)

Jun

Jul: 0.33" (so far)· normal 4.79" (3.0–6.4)

Jul

Aug: normal 4.48" (2.6–6.0)

Aug

Sep: normal 4.48" (2.7–6.5)

Sep

Oct: normal 5.46" (3.5–7.8)

Oct

Nov: normal 4.82" (2.6–6.7)

Nov

Dec: normal 5.08" (3.5–6.7)

Dec

Baseline 1991–2020 · Source: Open-Meteo04:02 PM

Your History · NORTH BRANCH GRINDSTONE CREEK NEAR ALTMAR NY

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Station Location

43.4919, -76.0944

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DATA · USGS · NOAA · NWSUPDATED 2026-07-03 18:29 UTC

Site #042490673·USGS

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