Waterlands
Assabet River
USGS · 01097000
ASSABET RIVER
USGS · 01097000LIVE

ASSABET RIVER AT MAYNARD, MA

MAYNARD, MA42.4320°N, -71.4498°W Updated 20 hr ago
FLOW RATE
47cfs
AIR TEMP
69°F
WIND
2mph NW
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
47cfs 55.8% vs avg
Optimal band: 6993 cfs
PERIOD HIGH
651cfs
PERIOD LOW
14cfs
RUNNABLE
19%
last 1 year in band
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

18.4in

≈ normal

18.36 in of precipitation so far this year — about average for this point in the season (normal 20.07 in).

YTD Total

18.4in

This year so far

Normal to Date

20.1in

30-yr average

Typical Range

14.7–24.7in

10th–90th pct YTD

Departure

-8%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 3.28" · normal 3.23" (1.6–4.7)
Jan
Feb: 2.13" · normal 3.02" (1.8–4.3)
Feb
Mar: 4.33" · normal 4.20" (2.4–6.1)
Mar
Apr: 2.10" · normal 3.71" (2.0–5.8)
Apr
May: 4.14" · normal 3.12" (1.6–4.6)
May
Jun: 2.39" (so far)· normal 3.59" (1.4–5.6)
Jun
Jul: normal 3.20" (1.7–4.8)
Jul
Aug: normal 3.40" (1.6–5.5)
Aug
Sep: normal 3.55" (1.4–6.7)
Sep
Oct: normal 3.80" (1.3–6.5)
Oct
Nov: normal 3.38" (1.6–4.9)
Nov
Dec: normal 4.12" (2.5–6.2)
Dec
Baseline 19912020 · Source: Open-Meteo06:50 PM
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
71°
62°
WED
79°
60°
THU
84°
60°
FRI
81°
62°
SAT
82°
58°
SUN
86°
57°
MON
86°
58°
TIME
TUE
8
NOW
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
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
TEMP
hourly forecast
69°
mild
69°
66°
65°
64°
64°
63°
62°
61°
61°
60°
60°
64°
66°
70°
73°
75°
76°
78°
78°
78°
79°
78°
78°
75°
72°
69°
67°
65°
64°
63°
63°
62°
61°
60°
60°
64°
69°
73°
75°
77°
79°
81°
84°
81°
79°
81°
67°
62°
61°
60°
61°
61°
62°
62°
62°
62°
63°
63°
63°
64°
64°
66°
67°
74°
78°
80°
81°
79°
78°
77°
75°
71°
69°
67°
65°
63°
62°
61°
61°
60°
59°
58°
60°
65°
69°
72°
76°
78°
80°
81°
82°
82°
80°
78°
75°
71°
65°
63°
60°
60°
60°
62°
59°
58°
57°
57°
59°
64°
69°
74°
78°
81°
84°
86°
85°
82°
WIND
mph · gust · dir
1mph SE
G 5 mph
1
G5
SE
3
G5
S
4
G7
S
3
G7
S
3
G6
WSW
4
G8
W
5
G15
NW
6
G15
NW
5
G15
NW
5
G13
NW
5
G13
WNW
5
G14
WNW
6
G17
NW
6
G11
NW
7
G11
NW
7
G13
WNW
9
G13
WNW
10
G15
WNW
11
G15
WNW
11
G16
W
11
G16
W
10
G15
WNW
8
G14
W
7
G14
W
4
G8
W
5
G9
W
4
G9
WSW
4
G7
WSW
4
G8
WSW
5
G9
WSW
3
G8
WSW
4
G8
WSW
3
G5
WSW
4
G5
WSW
4
G5
SW
2
G6
WSW
3
G9
WNW
3
G4
NW
1
G7
SSW
3
G7
SW
5
G7
SW
5
G10
SW
8
G14
SW
8
G14
SSW
8
G16
SSW
11
G17
SSW
11
G15
N
4
G11
NNE
4
G8
NNE
3
NW
2
WSW
7
G19
S
10
G26
S
8
G22
SSW
7
G24
SSW
6
G21
S
7
G21
SSW
6
G21
SW
5
G17
SSW
6
G18
SW
6
G16
SW
6
G14
SW
6
G12
WSW
6
G10
W
7
G11
W
7
G12
W
8
G12
W
9
G13
WNW
7
G12
W
7
G13
WSW
7
G15
WSW
5
G11
W
5
G12
W
4
G5
W
4
G6
W
5
G13
WNW
4
G7
WNW
4
WNW
3
W
3
NW
3
WNW
3
NW
3
NW
3
G5
N
4
G7
NNE
5
G7
NNE
5
G6
NE
5
G6
NE
6
NE
6
ENE
9
E
11
ESE
11
ESE
10
ESE
9
G11
ESE
6
G11
ESE
4
G7
SE
3
SE
2
SE
1
ESE
2
N
1
N
2
NNW
1
NW
1
W
1
WNW
1
NW
1
G2
WNW
2
G3
NW
2
G3
NW
2
G4
NNW
2
G4
NNW
3
G5
N
5
G7
N
6
G8
NNE
5
G10
NE
PRECIP
chance %
13%
13%
14%
9%
2%
1%
1%
2%
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%
0%
0%
0%
0%
0%
0%
31%
31%
31%
31%
31%
31%
72%
72%
72%
72%
72%
72%
40%
40%
40%
40%
40%
40%
32%
32%
32%
32%
32%
32%
15%
15%
15%
15%
15%
15%
29%
29%
29%
29%
29%
29%
32%
32%
32%
32%
32%
32%
28%
28%
28%
28%
28%
28%
9%
9%
9%
9%
9%
9%
4%
4%
4%
4%
4%
4%
1%
1%
1%
1%
1%
1%
14%
CLOUDS
cover %
100%
overcast
100%
100%
100%
100%
100%
97%
100%
100%
0%
38%
100%
100%
100%
97%
16%
21%
19%
8%
7%
16%
4%
100%
0%
100%
84%
6%
100%
0%
100%
100%
100%
100%
100%
100%
100%
100%
100%
1%
100%
100%
100%
100%
45%
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%
0%
0%
0%
5%
11%
0%
6%
8%
38%
100%
42%
40%
74%
14%
16%
15%
27%
75%
12%
27%
57%
100%
0%
5%
0%
5%
1%
62%
30%
24%
13%
8%
13%
23%
36%
56%
PRESSURE
hPa · trend
1006
10061004100610071009101110131010101010101010100810101010101110091010101110121010
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:09 AM
SUNSET
08:26 PM
15H 17M OF DAYLIGHT0H 9M REMAINING
MOON PHASE
First Quarter
63% illuminated

Station Location

42.4320, -71.4498
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-23 20:17 UTC
Site #01097000·USGS

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