Waterlands
Bear Brook
USGS · 01400806
BEAR BROOK
USGS · 01400806LIVE

Bear Brook at Grovers Mill NJ

WEST WINDSOR, NJ40.3147°N, -74.6086°W
AIR TEMP
67°F
WIND
7mph WSW
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
cfs
No flow data available
Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

16.3in

-22% vs normal

16.27 in of precipitation so far this year, 22% below the 30-year normal of 20.74 in for this point in the season.

YTD Total

16.3in

This year so far

Normal to Date

20.7in

30-yr average

Typical Range

16.9–24.7in

10th–90th pct YTD

Departure

-22%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 2.78" · normal 3.22" (2.1–4.7)
Jan
Feb: 2.15" · normal 2.99" (1.7–5.2)
Feb
Mar: 2.52" · normal 4.19" (1.9–6.0)
Mar
Apr: 2.29" · normal 3.57" (1.8–5.1)
Apr
May: 3.79" · normal 3.46" (1.7–5.6)
May
Jun: 2.75" (so far)· normal 4.10" (2.0–7.1)
Jun
Jul: normal 4.14" (2.3–5.5)
Jul
Aug: normal 4.33" (1.8–7.1)
Aug
Sep: normal 3.88" (1.4–5.7)
Sep
Oct: normal 3.56" (1.6–5.2)
Oct
Nov: normal 2.94" (1.4–4.8)
Nov
Dec: normal 4.00" (2.2–5.9)
Dec
Baseline 19912020 · Source: Open-Meteo01:34 AM
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
72°
66°
WED
81°
59°
THU
85°
60°
FRI
74°
62°
SAT
76°
64°
SUN
84°
63°
MON
86°
62°
TIME
WED
3
NOW
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
THU
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
FRI
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
SAT
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
SUN
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
TEMP
hourly forecast
62°
mild
62°
61°
60°
59°
62°
66°
69°
73°
75°
78°
79°
80°
81°
81°
81°
80°
78°
75°
73°
69°
67°
66°
65°
64°
63°
61°
60°
60°
63°
69°
72°
75°
78°
81°
82°
84°
85°
84°
83°
81°
76°
70°
65°
64°
65°
63°
63°
62°
62°
63°
63°
63°
63°
64°
65°
67°
68°
69°
72°
74°
72°
70°
69°
66°
65°
65°
64°
64°
65°
65°
65°
65°
65°
64°
64°
64°
64°
64°
65°
68°
69°
68°
66°
68°
71°
75°
76°
76°
75°
70°
67°
66°
65°
64°
65°
64°
64°
63°
63°
63°
66°
70°
73°
76°
79°
81°
82°
84°
83°
81°
79°
77°
75°
73°
71°
WIND
mph · gust · dir
6mph NW
G 15 mph
6
G15
NW
5
G14
NNW
4
G14
NW
4
G13
NW
4
G12
NW
7
G17
NNW
7
G15
NNW
7
G12
NW
6
G9
NW
8
G12
NW
7
G11
WNW
8
G13
WNW
8
G11
WNW
8
G11
WNW
7
G11
WNW
4
G9
WNW
5
G10
W
3
G6
WSW
4
SSW
5
G6
S
5
G7
SSE
0
G8
SE
3
G5
N
5
NE
4
NE
4
G5
ENE
2
G3
NE
4
G6
E
1
G4
NE
3
G9
ESE
5
G13
SSW
9
G17
SW
8
G14
SW
9
G14
SSW
10
G16
S
11
G18
S
11
G17
S
11
G17
S
10
G18
S
9
G20
S
10
G24
S
12
G28
S
0
G18
NE
1
G2
NW
3
G5
ENE
5
G7
ESE
5
G9
SE
5
G11
SSE
5
G10
SSE
4
G12
S
5
G9
S
5
G11
S
4
G12
SSW
3
G9
SW
5
G11
SW
6
G9
SW
5
G8
WSW
5
G8
WSW
6
G8
WNW
6
G9
NW
7
G11
NW
7
G9
NNW
5
G9
NNW
3
S
4
S
5
G6
S
6
G12
S
4
G12
S
3
G13
E
3
G13
E
5
G13
NE
6
G10
NNE
8
G12
NNE
7
G15
NNE
6
G16
NNE
6
G16
NNE
6
G15
NNE
6
G15
NNE
6
G13
NNE
8
G11
NNE
7
G10
NNE
7
G9
NNE
6
G12
NNE
6
G12
NE
5
G10
NE
5
G8
ENE
4
G6
ESE
4
SE
4
S
5
SSW
4
S
5
SSW
5
SW
2
G3
SW
3
SW
4
G6
WSW
3
W
1
G2
NNE
1
G2
N
3
N
3
N
5
NNE
5
NE
6
NE
6
NE
6
NNE
5
G6
NNE
4
G6
NNE
4
G7
NE
5
G10
ENE
6
G12
E
5
G13
ESE
5
G14
SE
6
G14
SSE
6
G13
SSE
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
9%
9%
9%
9%
9%
9%
31%
31%
31%
31%
31%
31%
52%
52%
52%
52%
52%
52%
12%
12%
12%
12%
12%
12%
18%
18%
18%
18%
18%
18%
49%
49%
49%
49%
49%
49%
66%
66%
66%
66%
66%
66%
50%
50%
50%
50%
50%
50%
40%
40%
40%
40%
40%
40%
6%
6%
6%
6%
6%
6%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
0%
CLOUDS
cover %
90%
overcast
90%
72%
0%
0%
0%
0%
0%
0%
0%
2%
5%
0%
1%
0%
0%
0%
0%
0%
0%
6%
20%
24%
2%
0%
0%
2%
4%
97%
100%
3%
2%
2%
4%
2%
42%
100%
100%
100%
100%
100%
100%
98%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
6%
5%
0%
0%
6%
56%
84%
9%
79%
6%
0%
8%
12%
100%
10%
13%
97%
83%
100%
98%
40%
10%
22%
51%
73%
76%
73%
71%
76%
PRESSURE
hPa · trend
1009
10091011101110121013101510121012101210141014101310111010101110111012101410141015
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:29 AM
SUNSET
08:32 PM
15H 3M OF DAYLIGHT17H 36M REMAINING
MOON PHASE
First Quarter
65% illuminated

Station Location

40.3147, -74.6086
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-24 02:56 UTC
Site #01400806·USGS

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