Waterlands
Aberjona River
USGS · 01102500
ABERJONA RIVER
USGS · 01102500LIVE

ABERJONA RIVER AT WINCHESTER, MA

WINCHESTER, MA42.4475°N, -71.1381°W Updated 8 hr ago
FLOW RATE
18cfs
AIR TEMP
66°F
WIND
7mph SSE
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
18cfs 29.6% vs avg
Optimal band: 1115 cfs
PERIOD HIGH
31cfs
PERIOD LOW
5cfs
RUNNABLE
25%
last 7 day in band
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

18.2in

≈ normal

18.19 in of precipitation so far this year — about average for this point in the season (normal 20.31 in).

YTD Total

18.2in

This year so far

Normal to Date

20.3in

30-yr average

Typical Range

15.0–25.2in

10th–90th pct YTD

Departure

-10%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 3.21" · normal 3.32" (1.8–4.7)
Jan
Feb: 2.14" · normal 3.08" (1.8–4.5)
Feb
Mar: 3.81" · normal 4.29" (2.5–6.4)
Mar
Apr: 2.91" · normal 3.80" (2.1–5.9)
Apr
May: 3.01" · normal 3.10" (1.6–4.6)
May
Jun: 3.11" (so far)· normal 3.48" (1.4–6.1)
Jun
Jul: normal 3.12" (1.7–5.1)
Jul
Aug: normal 3.37" (1.6–5.2)
Aug
Sep: normal 3.50" (1.5–6.8)
Sep
Oct: normal 3.92" (1.3–6.2)
Oct
Nov: normal 3.43" (1.8–5.1)
Nov
Dec: normal 4.21" (2.5–6.1)
Dec
Baseline 19912020 · Source: Open-Meteo06:59 AM
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
74°
63°
WED
81°
61°
THU
82°
59°
FRI
74°
61°
SAT
78°
60°
SUN
81°
57°
MON
82°
60°
TIME
TUE
8
NOW
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
WED
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
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
TEMP
hourly forecast
67°
mild
67°
67°
65°
65°
66°
69°
70°
72°
74°
72°
69°
67°
66°
65°
64°
63°
63°
63°
63°
63°
62°
61°
62°
64°
67°
70°
72°
74°
76°
78°
80°
80°
81°
80°
79°
77°
73°
69°
66°
65°
64°
62°
61°
60°
59°
59°
59°
63°
68°
72°
74°
76°
78°
80°
82°
82°
82°
73°
73°
69°
68°
68°
68°
62°
61°
61°
62°
62°
62°
61°
61°
62°
64°
67°
69°
69°
68°
70°
71°
70°
72°
73°
74°
72°
69°
66°
64°
64°
62°
62°
61°
61°
61°
60°
61°
65°
69°
72°
74°
76°
78°
78°
78°
76°
75°
72°
71°
67°
63°
62°
61°
60°
60°
59°
59°
58°
WIND
mph · gust · dir
3mph W
G 10 mph
3
G10
W
4
G9
NW
7
G10
WNW
7
G12
NW
7
G14
NW
6
G12
NW
4
G11
NW
7
G13
NW
6
G11
NNW
4
G11
N
6
G9
ESE
5
G7
ESE
4
G6
SE
5
G7
NE
2
G6
SE
2
G5
SSW
1
G3
SW
2
G5
SW
4
G8
W
6
G11
NW
7
G15
NW
6
G13
NW
7
G13
NW
7
G20
NW
8
G15
NW
8
G13
NW
7
G12
NW
7
G13
WNW
8
G13
WNW
11
G16
WNW
11
G16
WNW
11
G17
W
10
G15
W
11
G16
WNW
11
G17
W
10
G18
WNW
9
G20
WNW
5
G11
WNW
5
G11
WNW
4
G9
WNW
5
G9
WNW
5
G14
WNW
6
G14
WNW
5
G14
NW
5
G11
WNW
5
G8
WNW
4
G7
W
4
G9
W
5
G7
W
4
G6
WSW
5
G7
W
5
G7
WSW
5
G7
WSW
5
G9
SW
5
G10
SW
5
G12
SW
4
G12
S
5
ESE
5
G8
E
2
G5
NE
3
G5
N
3
G4
ESE
7
G18
SW
8
G17
W
5
G18
WSW
7
G23
S
8
G27
S
9
G25
SSW
8
G28
SSW
9
G29
SSW
7
G25
SSW
6
G24
SSW
7
G23
SSW
9
G20
SW
9
G17
SW
8
G15
SW
6
G13
SW
5
G6
SW
9
G12
SW
7
G14
SW
7
G13
SW
9
G13
SW
8
G13
SW
7
G14
SW
7
G19
SW
6
G20
SW
6
G21
SW
6
G23
SW
5
G19
WSW
5
G16
WSW
4
G14
W
4
G13
W
4
G9
W
4
G7
WNW
4
G10
NW
4
G9
NNW
5
G10
N
6
G9
NNE
6
G7
NE
6
NE
7
ENE
8
E
9
E
9
ESE
9
G10
ESE
8
G11
ESE
7
G11
ESE
5
G9
ESE
3
G7
ESE
3
G5
ESE
3
G4
E
2
G3
ENE
2
ENE
2
NE
2
NE
2
NNE
PRECIP
chance %
37%
37%
42%
43%
36%
33%
30%
29%
28%
24%
21%
16%
19%
20%
16%
15%
9%
11%
9%
4%
1%
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%
2%
2%
2%
2%
2%
2%
21%
21%
21%
21%
21%
21%
41%
41%
41%
41%
41%
41%
52%
52%
52%
52%
52%
52%
47%
47%
47%
47%
47%
47%
19%
19%
19%
19%
19%
19%
15%
15%
15%
15%
15%
15%
18%
18%
18%
18%
18%
18%
29%
29%
29%
29%
29%
29%
20%
20%
20%
20%
20%
20%
9%
CLOUDS
cover %
100%
overcast
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
96%
0%
6%
15%
20%
27%
21%
22%
14%
5%
4%
8%
0%
77%
100%
75%
77%
53%
5%
100%
32%
19%
100%
100%
92%
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%
12%
0%
0%
0%
0%
15%
11%
17%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
93%
100%
98%
88%
7%
10%
77%
83%
91%
89%
65%
31%
5%
0%
PRESSURE
hPa · trend
1010
10101010101110091010101010131015101610151015101510151014101210131015101410151016
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:08 AM
SUNSET
08:25 PM
15H 17M OF DAYLIGHT11H 57M REMAINING
MOON PHASE
First Quarter
58% illuminated

Station Location

42.4475, -71.1381
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-23 08:28 UTC
Site #01102500·USGS

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