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 13 hr ago
FLOW RATE
331cfs
GAUGE HT
4.63ft
AIR TEMP
69°F
WIND
2mph WSW
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
331cfs 25.5% vs avg
Optimal band: 411–557 cfs
PERIOD HIGH
6,200cfs
PERIOD LOW
88cfs
RUNNABLE
8%
last 1 year in band

Gauge Height

4.63ft
Precipitation History
Your History · GRASS RIVER AT CHASE MILLS NY

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Weather Conditions
WEATHER CONDITIONS
TODAY
80°
53°
MON
83°
60°
TUE
90°
69°
WED
87°
67°
THU
73°
56°
FRI
71°
52°
SAT
78°
51°
TIME
SUN
2
NOW
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
6
am
7
am
8
am
TEMP
hourly forecast
79°
mild
79°
80°
80°
80°
80°
78°
75°
71°
68°
67°
65°
64°
63°
62°
61°
60°
60°
63°
67°
70°
71°
73°
77°
81°
82°
82°
82°
81°
83°
82°
80°
77°
74°
73°
71°
70°
70°
70°
69°
70°
71°
71°
74°
76°
79°
83°
87°
90°
89°
88°
90°
90°
88°
88°
85°
86°
76°
71°
69°
68°
67°
67°
67°
68°
68°
70°
71°
74°
76°
81°
83°
85°
86°
87°
82°
78°
77°
76°
73°
75°
74°
72°
67°
62°
64°
62°
60°
58°
58°
61°
65°
68°
69°
69°
62°
58°
60°
69°
73°
72°
70°
65°
62°
61°
58°
56°
55°
52°
53°
53°
53°
53°
54°
55°
56°
WIND
mph · gust · dir
2mph NW
G 4 mph
2
G4
NW
3
G4
NW
2
G5
NW
1
G4
ENE
2
G4
ESE
3
G5
SE
4
G5
SE
5
G8
SSE
5
G7
SSE
5
G8
SSE
5
G10
SSE
5
G12
S
5
G13
S
6
G14
S
6
G15
S
6
G15
S
7
G16
S
8
G16
SSW
8
G24
SSW
10
G24
SSW
10
G22
SSW
9
G24
SSW
11
G24
SSW
13
G23
SW
14
G22
WSW
11
G19
WSW
9
G16
WSW
8
G16
WSW
7
G16
WSW
5
G11
WSW
3
G6
WSW
4
G5
S
4
G14
S
6
G15
SSW
7
G19
SW
8
G23
SSW
9
G26
SSW
9
G25
SW
11
G29
SSW
13
G32
SW
13
G34
SW
14
G35
SSW
15
G36
SW
15
G35
SW
16
G31
SW
16
G29
SW
16
G29
SW
16
G30
SW
17
G29
SW
17
G30
SSW
17
G29
SSW
15
G29
SW
14
G30
SW
13
G31
WSW
13
G32
WSW
14
G30
WSW
12
G31
WSW
6
G18
NNW
5
G14
E
3
G8
ESE
1
G3
N
4
G14
SW
6
G14
SW
5
G12
WSW
5
G14
WSW
5
G15
W
5
G11
W
6
G10
WNW
6
G11
WNW
8
G13
WNW
9
G15
WNW
8
G21
W
8
G21
W
7
G21
W
3
G12
W
9
G22
SSW
10
G25
SW
8
G26
SW
9
G26
SW
8
G20
WSW
6
G16
WSW
6
G16
W
6
WNW
3
NW
4
G5
WSW
5
G7
W
3
G5
W
3
G5
WSW
3
G4
SW
4
G5
SW
5
G7
SW
5
G7
W
7
G11
WNW
13
G14
NW
7
G13
NNW
6
G12
NW
5
G12
WNW
8
G16
WNW
9
G20
WNW
12
G21
NW
9
G19
NW
12
G19
N
8
G22
NNW
8
G19
NNW
9
G17
NW
8
G18
NW
8
G17
NNW
4
G14
NW
6
G16
WNW
4
G13
WNW
3
G10
W
3
G8
W
3
G9
W
4
G11
W
5
G12
W
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
2%
2%
3%
3%
3%
3%
3%
3%
2%
2%
2%
3%
3%
4%
5%
5%
7%
9%
9%
8%
4%
2%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
4%
4%
4%
4%
4%
4%
40%
40%
40%
40%
40%
40%
10%
10%
10%
10%
10%
10%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
3%
3%
3%
3%
3%
3%
8%
8%
8%
8%
8%
8%
19%
19%
19%
19%
19%
19%
6%
6%
6%
6%
6%
6%
3%
3%
3%
3%
3%
3%
CLOUDS
cover %
45%
partly
45%
0%
0%
0%
3%
100%
78%
100%
88%
3%
0%
0%
0%
0%
0%
88%
100%
100%
99%
100%
100%
100%
100%
10%
14%
16%
86%
65%
28%
6%
1%
9%
21%
1%
11%
56%
22%
16%
100%
70%
100%
100%
100%
100%
100%
9%
5%
44%
100%
100%
100%
5%
5%
0%
0%
0%
0%
100%
82%
7%
11%
15%
99%
100%
100%
100%
100%
100%
100%
95%
100%
100%
100%
100%
100%
100%
100%
100%
6%
100%
100%
100%
32%
0%
100%
0%
10%
5%
0%
73%
7%
50%
100%
100%
100%
100%
100%
10%
100%
13%
12%
8%
100%
100%
100%
35%
51%
57%
93%
92%
84%
79%
84%
93%
100%
PRESSURE
hPa · trend
1014
101410131012101110091008100710051001997100010021000998100010011002100310071009
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:26 AM
SUNSET
08:45 PM
15H 19M OF DAYLIGHT
MOON PHASE
Waning Crescent
6% illuminated

Station Location

44.8465, -75.0784
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #04265432·USGS

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