MEDIAN FLOW RATE · 1 DAY
2.32cfs 53.2% vs avg
Optimal band: 2–3 cfs
PERIOD HIGH
4.36cfs
PERIOD LOW
2.32cfs
RUNNABLE
52%
last 1 day in band
Gauge Height
9.58ft
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
21.7in
≈ normal
21.67 in of precipitation so far this year — about average for this point in the season (normal 23.97 in).
YTD Total
21.7in
This year so far
Normal to Date
24.0in
30-yr average
Typical Range
19.6–31.2in
10th–90th pct YTD
Departure
-10%
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: 2.52" (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-Meteo12:36 AM
Your History · Stony Brook at Watchung NJ
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Weather Conditions
WEATHER CONDITIONS
TODAY
72°
64°
WED
82°
63°
THU
87°
66°
FRI
91°
69°
SAT
88°
66°
SUN
82°
70°
MON
83°
70°
FISH INDEX
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:34 AM
SUNSET
08:31 PM
14H 57M OF DAYLIGHT
MOON PHASE
Last Quarter
43% illuminated
Station Location
40.6364, -74.4514Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-07 23:30 UTC
Site #01403540·USGS
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