USGS · 01379845

ROCKAWAY RIVER

USGS · 01379845LIVE

Rockaway River at Warren Street at Dover NJ

NEW JERSEY40.8861°N, -74.5600°W Updated 1 d ago

FLOW RATE

42cfs

AIR TEMP

77°F

WIND

9mph ESE

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

42cfs 23.8% vs avg

Optimal band: 36–48 cfs

PERIOD HIGH

54cfs

PERIOD LOW

26cfs

RUNNABLE

43%

last 7 day in band

Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

21.8in

≈ normal

21.8 in of precipitation so far this year — about average for this point in the season (normal 23.62 in).

YTD Total

21.8in

This year so far

Normal to Date

23.6in

30-yr average

Typical Range

19.1–30.6in

10th–90th pct YTD

Departure

-8%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 2.62" · normal 3.57" (2.3–5.6)

Jan

Feb: 1.82" · normal 3.05" (1.7–5.0)

Feb

Mar: 4.65" · normal 4.32" (2.5–6.7)

Mar

Apr: 2.76" · normal 3.87" (1.9–6.3)

Apr

May: 3.23" · normal 3.91" (2.1–5.9)

May

Jun: 4.18" · normal 4.20" (2.0–7.2)

Jun

Jul: 2.54" (so far)· normal 4.37" (1.9–6.7)

Jul

Aug: normal 4.08" (1.4–6.1)

Aug

Sep: normal 4.58" (1.6–7.9)

Sep

Oct: normal 4.13" (1.4–6.3)

Oct

Nov: normal 3.32" (1.3–4.7)

Nov

Dec: normal 4.12" (1.9–5.9)

Dec

Baseline 1991–2020 · Source: Open-Meteo12:05 AM

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Station Location

40.8861, -74.5600

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DATA · USGS · NOAA · NWSUPDATED 2026-07-05 00:00 UTC

Site #01379845·USGS

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