Waterlands
Grass River
USGS · 04265432
GRASS RIVER
USGS · 04265432LIVE

GRASS RIVER AT CHASE MILLS NY

TOWN OF LOUISVILLE, NY44.8465°N, -75.0784°W Updated 21 hr ago
FLOW RATE
1,222cfs
AIR TEMP
82°F
WIND
1mph SW
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
1,222cfs 20.9% vs avg
Optimal band: 628–850 cfs
PERIOD HIGH
2,211cfs
PERIOD LOW
318cfs
RUNNABLE
16%
last 30 day in band
Precipitation History
Your History · GRASS RIVER AT CHASE MILLS NY

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Weather Conditions
WEATHER CONDITIONS
TODAY
82°
56°
MON
83°
61°
TUE
84°
64°
WED
83°
71°
THU
91°
73°
FRI
92°
69°
SAT
89°
66°
TIME
SUN
10
NOW
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
12
pm
1
pm
2
pm
3
pm
4
pm
TEMP
hourly forecast
72°
mild
72°
71°
68°
67°
65°
63°
63°
62°
61°
64°
66°
70°
75°
77°
79°
81°
82°
83°
83°
83°
82°
80°
78°
75°
72°
70°
68°
67°
66°
65°
65°
64°
64°
67°
72°
77°
79°
81°
83°
84°
84°
82°
82°
76°
73°
71°
71°
71°
71°
70°
71°
73°
73°
73°
73°
73°
72°
73°
74°
77°
79°
81°
80°
80°
83°
81°
82°
82°
82°
82°
80°
78°
78°
76°
75°
74°
74°
73°
73°
73°
73°
74°
77°
80°
83°
85°
87°
89°
90°
91°
91°
90°
87°
84°
82°
81°
80°
78°
76°
75°
74°
72°
71°
71°
71°
73°
75°
79°
83°
86°
89°
91°
92°
92°
91°
WIND
mph · gust · dir
0mph SE
0
SE
3
SSW
4
SSW
4
G11
ENE
3
G8
E
2
G4
NE
1
NE
3
E
4
G5
SE
3
G7
NE
4
G6
NE
4
G6
NE
3
G4
NE
2
G3
NNE
2
G4
ENE
2
G5
ENE
2
G7
NE
2
G8
ENE
1
G9
NE
2
G8
ENE
3
G5
E
3
G5
E
3
G4
E
4
G5
ESE
5
G9
ESE
4
G8
SE
4
G9
SE
5
G12
SSE
5
G14
SSE
5
G14
SSE
5
G14
SSE
5
G15
SSE
6
G15
SSE
5
G13
SSE
6
G19
S
7
G19
SSW
6
G19
SSW
7
G16
S
7
G13
SSW
9
G14
SW
10
G15
SW
11
G15
WSW
10
G15
WSW
9
G16
WSW
7
G17
SSW
8
G22
SW
15
G28
S
9
G22
WSW
6
G12
SSW
6
G15
S
7
G22
S
8
G24
SSW
7
G21
SSW
7
G18
SW
7
G16
SW
5
G14
SW
4
G12
SW
3
G9
SSW
4
G9
SW
5
G8
SW
6
G9
SW
5
G8
SW
5
G8
SW
2
G4
ENE
0
G5
N
3
G6
SSE
5
G10
SSW
4
G8
SSW
5
G11
SSW
7
G16
SSW
8
G23
SSW
8
G25
SSW
9
G27
SSW
9
G25
SW
8
G22
SW
9
G22
SW
8
G22
SW
7
G20
SW
7
G18
SW
5
G14
SW
5
G12
SSW
6
G12
SSW
6
G11
SW
8
G12
SW
8
G11
SW
8
G11
WSW
9
G11
SW
9
G11
WSW
10
G13
SW
10
G15
SW
11
G15
SW
12
G15
SW
12
G22
SSW
13
G28
SSW
13
G31
SSW
12
G33
SW
10
G33
SW
8
G27
SW
8
G23
SW
8
G23
SW
8
G23
SW
7
G20
SW
8
G23
SSW
9
G24
SSW
9
G22
SSW
9
G20
SW
8
G17
SW
9
G15
SW
9
G13
SW
9
G12
WSW
9
G13
WSW
10
G14
WSW
10
G14
SW
9
G13
SW
9
G12
SSW
PRECIP
chance %
5%
5%
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%
5%
5%
5%
5%
36%
36%
36%
36%
36%
36%
46%
46%
46%
46%
46%
46%
47%
47%
47%
47%
47%
47%
10%
10%
10%
10%
10%
10%
12%
12%
12%
12%
12%
12%
35%
35%
35%
35%
35%
35%
31%
31%
31%
31%
31%
31%
10%
10%
10%
10%
10%
10%
12%
12%
12%
12%
12%
12%
36%
36%
36%
36%
36%
36%
24%
24%
24%
24%
24%
24%
18%
18%
18%
18%
18%
18%
14%
14%
14%
14%
14%
14%
40%
40%
CLOUDS
cover %
0%
clear
0%
0%
16%
100%
100%
100%
100%
81%
8%
6%
47%
18%
8%
9%
18%
1%
7%
0%
0%
0%
0%
0%
0%
0%
1%
0%
0%
75%
100%
100%
100%
100%
88%
93%
1%
100%
100%
55%
26%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
59%
100%
100%
100%
100%
100%
100%
100%
93%
100%
100%
100%
100%
100%
100%
100%
100%
100%
15%
16%
16%
11%
92%
14%
17%
30%
24%
100%
100%
100%
34%
34%
30%
32%
10%
100%
27%
11%
21%
7%
18%
43%
0%
0%
0%
0%
0%
0%
5%
9%
5%
25%
22%
24%
32%
48%
69%
80%
72%
55%
45%
49%
60%
PRESSURE
hPa · trend
1009
10091009101210111010100910081005100410031003100310031003100510041004100510061004
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Too Hot
Wind
Calm
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:16 AM
SUNSET
08:50 PM
15H 34M OF DAYLIGHT0H 0M REMAINING
MOON PHASE
Full Moon
99% illuminated
PEAK ACTIVITY

Station Location

44.8465, -75.0784
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-28 21:42 UTC
Site #04265432·USGS

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