Waterlands
Bear Bk River
USGS · 01400795
BEAR BK RIVER
USGS · 01400795LIVE

Bear Bk at Rt 571 near Grovers Mill NJ

WEST WINDSOR, NJ40.2947°N, -74.5925°W
AIR TEMP
65°F
WIND
7mph W
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
cfs
No flow data available
Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

16.4in

-21% vs normal

16.35 in of precipitation so far this year, 21% below the 30-year normal of 20.74 in for this point in the season.

YTD Total

16.4in

This year so far

Normal to Date

20.7in

30-yr average

Typical Range

16.9–24.7in

10th–90th pct YTD

Departure

-21%

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: 2.82" (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-Meteo12:22 AM
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
72°
64°
WED
81°
59°
THU
85°
60°
FRI
75°
62°
SAT
75°
65°
SUN
84°
63°
MON
87°
62°
TIME
WED
2
NOW
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
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°
62°
61°
60°
59°
62°
67°
69°
73°
75°
77°
79°
80°
81°
81°
81°
80°
78°
75°
73°
70°
67°
66°
65°
64°
63°
61°
60°
60°
63°
69°
72°
75°
78°
81°
82°
84°
85°
84°
83°
82°
79°
71°
66°
64°
64°
63°
63°
62°
62°
63°
63°
63°
64°
64°
64°
66°
67°
69°
74°
75°
74°
73°
69°
66°
65°
65°
64°
64°
65°
66°
66°
65°
65°
65°
65°
65°
65°
65°
66°
67°
69°
69°
67°
67°
70°
72°
75°
75°
75°
70°
67°
66°
65°
64°
64°
65°
64°
64°
63°
63°
66°
70°
73°
77°
79°
80°
82°
84°
84°
83°
82°
79°
75°
72°
70°
WIND
mph · gust · dir
7mph NW
G 16 mph
7
G16
NW
6
G15
NW
5
G15
NW
4
G14
NW
4
G14
WNW
3
G13
WNW
7
G22
NNW
7
G15
NNW
7
G13
NW
7
G10
NW
7
G12
NW
7
G13
WNW
8
G12
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
11
G20
S
11
G24
S
12
G28
S
5
G18
SSW
1
G2
WSW
4
G5
NE
5
G7
E
5
G9
SE
6
G11
SSE
5
G10
SSE
4
G12
SSE
4
G9
S
6
G11
S
5
G12
SSW
4
G9
SW
5
G11
SW
4
G9
SW
5
G8
WSW
5
G8
W
5
G8
WNW
6
G9
WNW
7
G11
NW
8
G9
NNW
6
G9
NNW
3
ENE
4
SSE
5
G6
S
6
G12
SSE
3
G12
SSE
4
G13
ESE
4
G13
E
5
G13
ENE
6
G10
NE
8
G12
NNE
8
G15
NNE
8
G16
NNE
7
G16
NNE
7
G15
NE
6
G15
NNE
7
G13
NNE
7
G11
NNE
7
G10
NNE
6
G9
NNE
7
G12
NNE
6
G12
NNE
6
G10
NE
5
G8
NE
4
G6
E
3
G4
SE
3
S
4
SSW
4
S
4
G5
SSW
5
SSW
2
G3
SSW
3
SSW
4
G6
WSW
2
WSW
1
G2
S
1
G2
SSW
1
G2
NW
2
G3
N
4
NNE
5
NNE
5
G6
NE
6
NE
6
NE
6
NE
4
G6
ENE
4
G7
E
5
G10
E
6
G12
ESE
6
G13
ESE
6
G14
SE
6
G14
SSE
7
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%
0%
4%
4%
4%
4%
4%
4%
30%
30%
30%
30%
30%
30%
36%
36%
36%
36%
36%
36%
10%
10%
10%
10%
10%
10%
36%
36%
36%
36%
36%
36%
57%
57%
57%
57%
57%
57%
73%
73%
73%
73%
73%
73%
55%
55%
55%
55%
55%
55%
49%
49%
49%
49%
49%
49%
13%
13%
13%
13%
13%
13%
3%
3%
3%
3%
3%
3%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
CLOUDS
cover %
2%
clear
2%
100%
78%
1%
5%
3%
0%
0%
0%
0%
0%
3%
16%
15%
0%
0%
0%
0%
0%
0%
9%
4%
9%
99%
100%
3%
100%
100%
100%
100%
61%
100%
100%
100%
50%
100%
100%
100%
100%
100%
100%
24%
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%
100%
100%
6%
5%
0%
5%
6%
47%
86%
7%
6%
5%
8%
7%
7%
16%
24%
94%
71%
72%
87%
94%
20%
29%
49%
62%
60%
52%
49%
57%
PRESSURE
hPa · trend
1009
10091012101210131013101510141012101310141014101410111011101110111012101410141016
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Ideal
Wind
Light
Pressure
Rising — Slow
Moon Phase
Good
DAYLIGHT
SUNRISE
05:29 AM
SUNSET
08:32 PM
15H 3M OF DAYLIGHT18H 28M REMAINING
MOON PHASE
First Quarter
65% illuminated

Station Location

40.2947, -74.5925
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-24 02:04 UTC
Site #01400795·USGS

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