USGS · 01367620

WALLKILL R RIVER

USGS · 01367620LIVE

Wallkill R at outflow of Lk Mohawk at Sparta NJ

SPARTA TOWNSHIP, NJ41.0331°N, -74.6431°W

AIR TEMP

71°F

WIND

5mph S

FISH INDEX

75SCORE / 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

23.1in

≈ normal

23.08 in of precipitation so far this year — about average for this point in the season (normal 23 in).

YTD Total

23.1in

This year so far

Normal to Date

23.0in

30-yr average

Typical Range

18.5–29.2in

10th–90th pct YTD

Departure

+0%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 2.85" · normal 3.52" (2.3–5.5)

Jan

Feb: 1.61" · normal 2.96" (1.8–4.8)

Feb

Mar: 4.97" · normal 4.13" (2.4–6.5)

Mar

Apr: 2.85" · normal 3.71" (2.0–6.0)

Apr

May: 3.46" · normal 3.72" (1.7–5.6)

May

Jun: 4.62" · normal 3.99" (1.9–6.9)

Jun

Jul: 2.73" (so far)· normal 3.79" (1.7–5.9)

Jul

Aug: normal 3.73" (1.5–5.6)

Aug

Sep: normal 4.26" (1.7–7.7)

Sep

Oct: normal 4.01" (1.5–6.0)

Oct

Nov: normal 3.24" (1.3–4.5)

Nov

Dec: normal 3.97" (1.9–5.3)

Dec

Baseline 1991–2020 · Source: Open-Meteo03:56 AM

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Station Location

41.0331, -74.6431

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