Waterlands
Green River
USGS · 01333000
GREEN RIVER
USGS · 01333000LIVE

GREEN RIVER AT WILLIAMSTOWN, MA

WILLIAMSTOWN, MA42.7089°N, -73.1968°W Updated 35 min ago
FLOW RATE
43.1cfs
GAUGE HT
1.94ft
AIR TEMP
66°F
WIND
8mph NW
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
43.1cfs 10.6% vs avg
Optimal band: 2432 cfs
PERIOD HIGH
71.8cfs
PERIOD LOW
19.6cfs
RUNNABLE
15%
last 1 day in band

Gauge Height

1.94ft
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

20.6in

≈ normal

20.63 in of precipitation so far this year — about average for this point in the season (normal 21.8 in).

YTD Total

20.6in

This year so far

Normal to Date

21.8in

30-yr average

Typical Range

16.7–25.9in

10th–90th pct YTD

Departure

-5%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 3.06" · normal 3.49" (2.0–5.1)
Jan
Feb: 1.62" · normal 3.13" (2.0–4.6)
Feb
Mar: 5.52" · normal 4.05" (2.5–6.1)
Mar
Apr: 2.72" · normal 3.96" (2.4–5.6)
Apr
May: 3.78" · normal 3.98" (2.5–5.8)
May
Jun: 3.94" (so far)· normal 4.22" (2.5–6.9)
Jun
Jul: normal 4.05" (2.6–5.8)
Jul
Aug: normal 3.70" (1.9–6.2)
Aug
Sep: normal 3.93" (2.3–7.0)
Sep
Oct: normal 4.69" (1.9–7.4)
Oct
Nov: normal 3.61" (1.9–5.1)
Nov
Dec: normal 4.31" (2.7–5.8)
Dec
Baseline 19912020 · Source: Open-Meteo12:09 PM
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
76°
60°
WED
76°
59°
THU
77°
59°
FRI
73°
59°
SAT
81°
58°
SUN
82°
60°
MON
83°
60°
TIME
TUE
3
NOW
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
4
am
5
am
6
am
7
am
8
am
9
am
TEMP
hourly forecast
74°
mild
74°
76°
76°
75°
73°
70°
67°
66°
64°
63°
63°
62°
60°
60°
59°
59°
62°
65°
68°
70°
71°
73°
74°
75°
76°
76°
75°
75°
74°
71°
68°
66°
66°
64°
63°
62°
61°
61°
60°
59°
62°
65°
68°
70°
70°
75°
77°
75°
67°
68°
61°
63°
61°
61°
60°
59°
60°
60°
59°
59°
60°
60°
61°
61°
62°
63°
64°
64°
66°
67°
68°
70°
73°
73°
71°
68°
68°
64°
60°
59°
59°
59°
59°
59°
58°
58°
58°
58°
62°
65°
70°
73°
74°
76°
79°
80°
81°
81°
80°
79°
72°
69°
68°
65°
65°
65°
64°
64°
62°
61°
60°
62°
66°
68°
70°
WIND
mph · gust · dir
8mph NNW
G 15 mph
8
G15
NNW
8
G14
N
8
G11
NNW
8
G13
NNW
7
G13
NW
3
G9
NW
3
G7
NW
4
SW
5
G11
WNW
4
G10
SW
5
G8
SSW
5
G6
S
4
S
3
G5
S
3
G5
SSW
3
G6
SSW
2
G11
SSW
5
G11
NNW
5
G10
NW
8
G14
WNW
10
G16
WNW
11
G16
WNW
12
G17
NW
12
G18
NW
11
G17
NW
10
G15
WNW
10
G15
WNW
9
G13
WNW
8
G13
WNW
5
G13
W
5
G11
SW
1
G7
WSW
2
G10
SE
5
S
4
G5
SSE
4
S
1
G2
SE
2
ENE
2
E
2
ESE
1
G2
SE
2
G3
SE
3
G4
SW
4
G5
SW
3
G5
W
4
G8
SSW
6
G12
SSW
10
G13
WSW
2
WNW
4
G6
NW
5
NNE
4
G5
NNE
3
G5
ENE
1
G2
SE
4
G5
SE
2
ESE
4
G5
SE
5
G8
ESE
5
G6
E
2
G3
ESE
3
SE
3
G5
SSE
3
G8
S
3
G8
S
3
G7
SW
3
G5
WSW
3
G6
W
2
G6
WNW
4
G10
W
5
G11
W
5
G11
WNW
7
G12
WNW
10
G15
WNW
10
G16
WNW
10
G15
WNW
6
G16
NW
4
G15
NW
3
WNW
1
G2
WSW
1
NW
1
G2
NE
2
SSE
1
G2
SSE
1
N
2
N
1
NE
2
N
2
NNE
2
NE
3
NE
2
G3
NE
2
G5
ENE
3
G5
ENE
5
G6
ENE
6
E
6
E
7
E
7
E
7
E
4
G5
E
3
G4
N
0
G1
NE
5
SSE
4
SE
2
G3
SE
2
SE
2
SSE
1
S
1
SSE
1
SSE
1
SSE
1
G2
S
1
G2
W
2
G3
WNW
3
WNW
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
2%
2%
3%
3%
1%
2%
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%
1%
1%
1%
1%
1%
1%
27%
27%
27%
27%
27%
27%
78%
78%
78%
78%
78%
78%
68%
68%
68%
68%
68%
68%
26%
26%
26%
26%
26%
26%
29%
29%
29%
29%
29%
29%
12%
12%
12%
12%
12%
12%
14%
14%
14%
14%
14%
14%
21%
21%
21%
21%
21%
21%
29%
29%
29%
29%
29%
29%
16%
16%
16%
16%
16%
16%
7%
7%
7%
7%
7%
7%
4%
CLOUDS
cover %
100%
overcast
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
92%
42%
4%
8%
72%
100%
48%
29%
30%
19%
27%
38%
35%
25%
21%
32%
23%
100%
0%
3%
0%
82%
100%
100%
85%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
97%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
96%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
5%
0%
58%
6%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
10%
43%
23%
59%
42%
100%
100%
100%
36%
100%
100%
100%
100%
79%
52%
38%
55%
85%
98%
76%
PRESSURE
hPa · trend
989
989990990992992994995995994994992993992993994994991993994995
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:15 AM
SUNSET
08:34 PM
15H 19M OF DAYLIGHT5H 44M REMAINING
MOON PHASE
First Quarter
60% illuminated

Station Location

42.7089, -73.1968
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-23 14:50 UTC
Site #01333000·USGS

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