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

ASSABET RIVER AT MAYNARD, MA

MAYNARD, MA42.4320°N, -71.4498°W Updated 16 hr ago
FLOW RATE
57cfs
GAUGE HT
1.75ft
AIR TEMP
82°F
WIND
5mph NNE
FISH INDEX
56SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
57cfs 56.8% vs avg
Optimal band: 3547 cfs
PERIOD HIGH
195cfs
PERIOD LOW
19cfs
RUNNABLE
32%
last 30 day in band

Gauge Height

1.75ft
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

Track your history

Sign in to track your sessions at ASSABET RIVER AT MAYNARD, MA — best days, monthly trends, and time on the water.

Sign in
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
84°
59°
MON
88°
61°
TUE
98°
69°
WED
92°
76°
THU
87°
61°
FRI
71°
55°
SAT
82°
52°
TIME
SUN
5
NOW
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
6
am
7
am
8
am
9
am
10
am
11
am
TEMP
hourly forecast
82°
mild
82°
82°
81°
77°
73°
71°
69°
67°
66°
65°
64°
63°
62°
61°
67°
73°
77°
80°
83°
85°
86°
86°
87°
88°
87°
86°
83°
78°
75°
72°
71°
71°
70°
70°
71°
69°
69°
69°
72°
77°
81°
86°
87°
91°
93°
94°
96°
98°
98°
96°
91°
88°
87°
86°
85°
85°
84°
83°
82°
80°
77°
76°
79°
82°
85°
88°
89°
91°
92°
92°
92°
92°
90°
87°
83°
78°
77°
77°
78°
78°
75°
75°
74°
72°
70°
68°
69°
74°
79°
83°
86°
85°
86°
87°
86°
87°
72°
68°
71°
69°
65°
64°
61°
60°
59°
58°
56°
55°
55°
57°
60°
63°
66°
69°
70°
WIND
mph · gust · dir
7mph ESE
G 10 mph
7
G10
ESE
7
G9
SE
6
G9
SE
6
G13
ESE
5
G12
SSE
6
G13
SSE
5
G12
S
5
G11
S
5
G11
S
4
G11
S
4
G11
S
4
G13
S
4
G14
SW
3
G13
SSW
5
G19
SW
8
G21
SW
9
G17
SW
9
G14
SSW
9
G14
SW
9
G13
SW
10
G14
SSW
12
G17
SW
12
G18
SW
13
G18
SSW
12
G19
SSW
13
G21
SSW
11
G21
SSW
10
G24
SW
11
G25
SSW
13
G32
SSW
11
G27
SSW
11
G28
SSW
9
G21
SSW
10
G20
SW
8
G25
SW
8
G18
SW
9
G17
SW
9
G18
SW
9
G25
WSW
9
G25
WSW
10
G22
WSW
12
G20
WSW
13
G19
W
13
G20
WSW
14
G22
WSW
15
G23
W
15
G24
W
14
G24
W
11
G24
W
11
G24
W
11
G27
W
12
G29
W
12
G28
W
12
G28
W
13
G29
W
13
G32
W
13
G33
W
13
G31
WNW
11
G24
WNW
8
G21
WNW
7
G21
W
8
G26
W
10
G27
W
10
G23
WNW
12
G21
NW
11
G18
NW
10
G19
NW
11
G26
NW
13
G28
NW
15
G26
NW
14
G29
NW
13
G32
NW
14
G26
NW
11
G25
WNW
8
G21
WNW
6
G16
W
6
G22
WSW
7
G24
W
9
G25
W
10
G26
W
8
G25
W
9
G27
W
9
G25
W
9
G28
W
8
G26
W
6
G20
W
6
G20
WSW
7
G16
W
7
G13
W
8
G13
WSW
10
G16
WSW
13
G17
SW
15
G20
WSW
14
G20
SW
16
G20
SW
12
G17
WSW
10
G18
NNE
4
G7
NW
3
G4
SW
2
NNW
3
G5
N
5
G13
N
4
NNW
2
WNW
3
WNW
3
W
3
G6
WNW
4
G11
NW
5
G15
NW
6
G17
NNW
8
G18
NNW
10
G17
NNW
10
G17
NNW
10
G15
NNW
10
G14
NNW
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
3%
3%
3%
8%
9%
5%
5%
1%
1%
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%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
9%
9%
9%
9%
9%
9%
5%
5%
5%
5%
5%
5%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
3%
3%
3%
3%
3%
3%
1%
1%
1%
1%
1%
1%
1%
1%
1%
CLOUDS
cover %
15%
few
15%
8%
59%
17%
0%
0%
0%
0%
2%
65%
99%
4%
0%
0%
0%
0%
0%
0%
8%
24%
14%
31%
19%
8%
7%
100%
100%
100%
22%
22%
5%
100%
60%
100%
89%
99%
71%
27%
49%
75%
100%
100%
100%
98%
48%
9%
17%
8%
50%
10%
100%
94%
0%
100%
6%
0%
0%
0%
0%
0%
0%
0%
6%
0%
0%
6%
100%
100%
100%
100%
100%
100%
98%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
11%
0%
0%
0%
0%
0%
0%
0%
100%
6%
0%
0%
0%
100%
100%
7%
100%
0%
0%
0%
0%
0%
0%
1%
2%
2%
1%
0%
0%
0%
0%
6%
PRESSURE
hPa · trend
1016
10161017101710161012101310111008100310011002100210011002100110011001100510051007
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
56
Temperature
Too Hot
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:20 AM
SUNSET
08:22 PM
15H 2M OF DAYLIGHT
MOON PHASE
Waning Crescent
5% illuminated

Station Location

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

Create a free account to save favorites, set flow alerts, and track conditions