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

ASSABET RIVER AT MAYNARD, MA

MAYNARD, MA42.4320°N, -71.4498°W Updated 10 hr ago
FLOW RATE
59cfs
GAUGE HT
1.77ft
AIR TEMP
60°F
WIND
6mph NNW
FISH INDEX
69SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
59cfs 39.5% vs avg
Optimal band: 6587 cfs
PERIOD HIGH
195cfs
PERIOD LOW
19cfs
RUNNABLE
13%
last 7 day in band

Gauge Height

1.77ft
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

21.0in

≈ normal

21 in of precipitation so far this year — about average for this point in the season (normal 21.99 in).

YTD Total

21.0in

This year so far

Normal to Date

22.0in

30-yr average

Typical Range

16.4–27.3in

10th–90th pct YTD

Departure

-4%

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: 2.86" · normal 3.59" (1.4–5.6)
Jun
Jul: 2.17" (so far)· 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-Meteo02:16 UTC
Your History · ASSABET RIVER AT MAYNARD, MA

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Weather Conditions
WEATHER CONDITIONS
TODAY
83°
59°
MON
87°
61°
TUE
98°
66°
WED
93°
75°
THU
87°
63°
FRI
83°
59°
SAT
82°
58°
TIME
SUN
10
NOW
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
MON
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
TUE
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
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
TEMP
hourly forecast
75°
mild
75°
77°
80°
81°
82°
83°
81°
81°
79°
78°
75°
72°
69°
68°
67°
65°
64°
62°
61°
61°
61°
67°
73°
78°
81°
83°
85°
86°
86°
86°
87°
86°
85°
82°
79°
76°
74°
72°
70°
69°
68°
67°
67°
66°
67°
69°
75°
81°
85°
88°
91°
94°
95°
96°
97°
98°
95°
91°
88°
87°
86°
85°
85°
84°
83°
82°
81°
80°
79°
79°
82°
85°
86°
89°
92°
92°
93°
87°
83°
88°
86°
82°
81°
81°
77°
75°
73°
73°
71°
69°
70°
68°
66°
68°
74°
79°
83°
85°
86°
87°
85°
71°
84°
80°
77°
72°
67°
65°
64°
63°
62°
62°
61°
60°
59°
60°
WIND
mph · gust · dir
7mph NNE
G 10 mph
7
G10
NNE
6
G7
NNE
4
G6
NNE
4
G8
N
3
G6
N
3
G4
NE
9
G11
E
9
G11
E
9
G11
ESE
7
G10
ESE
5
G12
ESE
6
G15
SSE
5
G11
SSE
5
G15
S
3
G9
S
4
G10
SSE
4
G10
SSE
4
G10
SSE
4
G9
SSE
5
G9
SSE
4
G9
SE
4
G17
SW
7
G18
SW
8
G16
SW
8
G13
SW
8
G12
SW
10
G14
SSW
11
G15
SSW
11
G17
SSW
12
G18
SSW
12
G18
SSW
13
G19
SSW
12
G20
SSW
12
G23
SSW
11
G26
SSW
10
G29
SSW
10
G30
SSW
10
G30
SSW
11
G28
SW
9
G27
SW
9
G23
SW
8
G25
SW
7
G23
SW
8
G24
SW
8
G22
SW
8
G24
SW
9
G25
WSW
10
G21
WSW
12
G18
WSW
12
G19
WSW
13
G22
WSW
15
G22
WSW
15
G23
W
15
G24
WSW
14
G24
W
12
G25
W
12
G27
WSW
12
G26
WSW
11
G27
W
11
G29
W
12
G27
W
13
G30
W
13
G32
W
13
G32
W
12
G32
W
11
G26
W
10
G25
WNW
9
G23
W
9
G24
W
9
G24
WNW
11
G24
WNW
10
G16
WNW
10
G15
WNW
10
G16
NW
9
G18
NW
10
G19
WNW
11
G20
NW
8
G16
NW
5
G11
W
9
G16
WNW
10
G20
WNW
10
G24
WNW
9
G25
WNW
9
G23
WNW
8
G24
W
8
G24
WNW
8
G25
W
9
G25
WNW
7
G23
W
7
G25
W
8
G25
W
7
G24
W
6
G19
W
6
G21
W
6
G13
WNW
6
G12
WNW
8
G14
WNW
10
G16
WNW
10
G24
W
12
G24
W
11
G21
W
8
G25
NW
12
G27
WNW
15
G23
NW
13
G23
NW
5
G15
WNW
5
WSW
4
WSW
4
G5
W
4
G6
WNW
4
G6
WNW
4
G5
WNW
4
G5
WNW
5
G9
WNW
5
G14
W
6
G17
W
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
3%
3%
2%
2%
2%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
1%
4%
4%
4%
4%
4%
4%
4%
4%
4%
4%
4%
4%
2%
2%
2%
2%
2%
2%
4%
4%
4%
4%
4%
4%
2%
2%
2%
2%
2%
2%
0%
0%
0%
CLOUDS
cover %
0%
clear
0%
0%
3%
1%
3%
3%
4%
6%
6%
3%
0%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
7%
21%
90%
100%
98%
100%
100%
100%
100%
22%
0%
0%
0%
25%
68%
75%
100%
100%
100%
100%
98%
21%
22%
84%
7%
5%
0%
28%
5%
7%
0%
44%
8%
100%
11%
100%
0%
0%
7%
99%
100%
100%
100%
100%
18%
5%
27%
100%
75%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
0%
0%
6%
0%
0%
0%
0%
0%
0%
5%
0%
38%
100%
100%
100%
100%
100%
5%
100%
8%
100%
100%
98%
95%
84%
58%
24%
0%
0%
0%
0%
PRESSURE
hPa · trend
1017
10171017101710171016101310121012100910031002100210021001100210021002100110041006
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
69
Temperature
Ideal
Wind
Light
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:20 AM
SUNSET
08:22 PM
15H 2M OF DAYLIGHT
MOON PHASE
Waning Crescent
6% illuminated

Station Location

42.4320, -71.4498
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #01097000·USGS

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