MEDIAN FLOW RATE · 30 DAY
9cfs 232.3% vs avg
Optimal band: 65–87 cfs
PERIOD HIGH
120cfs
PERIOD LOW
9cfs
RUNNABLE
42%
last 30 day in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
21.4in
≈ normal
21.42 in of precipitation so far this year — about average for this point in the season (normal 23.16 in).
YTD Total
21.4in
This year so far
Normal to Date
23.2in
30-yr average
Typical Range
18.4–29.2in
10th–90th pct YTD
Departure
-7%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 2.69" · normal 3.36" (2.0–5.0)
Feb: 1.72" · normal 3.01" (1.8–5.0)
Mar: 4.54" · normal 4.19" (2.2–6.5)
Apr: 2.55" · normal 3.73" (2.1–5.9)
May: 3.17" · normal 3.69" (1.7–5.4)
Jun: 3.75" · normal 4.33" (2.3–7.5)
Jul: 3.02" (so far)· normal 4.41" (2.2–7.1)
Aug: normal 4.14" (1.3–7.2)
Sep: normal 4.33" (1.4–7.0)
Oct: normal 3.82" (1.6–6.2)
Nov: normal 3.05" (1.3–4.6)
Dec: normal 3.98" (2.0–5.8)
Baseline 1991–2020 · Source: Open-Meteo09:50 AM
Your History · South B Rockaway Creek at Whitehouse Station NJ
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Station Location
40.6194, -74.7736Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC
Site #01399670·USGS
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