MEDIAN FLOW RATE · 1 YEAR
—cfs
No flow data available
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
22.4in
≈ normal
22.42 in of precipitation so far this year — about average for this point in the season (normal 24.41 in).
YTD Total
22.4in
This year so far
Normal to Date
24.4in
30-yr average
Typical Range
20.1–31.2in
10th–90th pct YTD
Departure
-8%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 2.62" · normal 3.53" (2.2–5.3)
Feb: 1.93" · normal 3.12" (1.7–5.1)
Mar: 4.54" · normal 4.36" (2.3–6.8)
Apr: 2.66" · normal 3.84" (1.9–5.8)
May: 3.58" · normal 3.81" (1.9–5.4)
Jun: 3.82" · normal 4.30" (2.0–7.4)
Jul: 3.27" (so far)· normal 4.39" (2.2–6.9)
Aug: normal 4.18" (1.4–6.9)
Sep: normal 4.53" (1.1–7.1)
Oct: normal 4.03" (1.4–6.4)
Nov: normal 3.23" (1.4–4.8)
Dec: normal 4.12" (2.0–6.0)
Baseline 1991–2020 · Source: Open-Meteo07:03 UTC
Your History · East Br Stony Brook at Best Lake at Watchung NJ
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Station Location
40.6400, -74.4478Loading map…
DATA · USGS · NOAA · NWS
Site #01403535·USGS
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