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 45 min ago
FLOW RATE
333cfs
GAUGE HT
4.63ft
AIR TEMP
55°F
WIND
3mph SSW
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
333cfs 52.3% vs avg
Optimal band: 300–406 cfs
PERIOD HIGH
384cfs
PERIOD LOW
333cfs
RUNNABLE
100%
last 1 day 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
79°
53°
MON
85°
62°
TUE
90°
69°
WED
83°
67°
THU
76°
58°
FRI
75°
54°
SAT
80°
53°
TIME
SUN
7
NOW
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
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
TEMP
hourly forecast
57°
mild
57°
62°
67°
71°
74°
76°
77°
78°
79°
79°
79°
79°
77°
76°
72°
70°
68°
66°
65°
64°
63°
63°
62°
62°
64°
65°
68°
69°
74°
79°
81°
82°
83°
85°
85°
83°
78°
73°
71°
71°
72°
72°
71°
69°
69°
70°
71°
70°
71°
74°
77°
79°
82°
84°
86°
87°
90°
90°
89°
88°
85°
83°
81°
85°
71°
70°
70°
69°
69°
69°
69°
69°
69°
70°
71°
75°
78°
81°
83°
83°
83°
83°
74°
73°
74°
74°
72°
67°
67°
64°
64°
63°
66°
65°
65°
66°
65°
67°
70°
71°
71°
73°
75°
76°
76°
76°
76°
74°
70°
65°
63°
60°
58°
58°
58°
WIND
mph · gust · dir
1mph S
G 6 mph
1
G6
S
3
G4
SW
2
G5
WSW
3
G7
WSW
3
G6
W
4
G6
WNW
3
G5
WNW
4
G5
NW
3
G4
NW
3
G5
WNW
3
G5
WSW
4
G6
WSW
2
G6
WSW
2
G3
S
5
G6
S
5
G6
S
5
G7
S
5
G11
S
5
G13
SSW
5
G13
SSW
5
G14
SSW
6
G14
S
6
G15
SSW
6
G13
WSW
5
G12
SW
6
G12
SSW
2
G5
W
7
G12
S
9
G18
S
11
G20
SW
13
G20
WSW
12
G23
WSW
12
G21
WSW
10
G20
WSW
10
G18
WSW
10
G18
SW
10
G22
SSW
10
G26
SSW
12
G31
SW
14
G33
SSW
15
G36
SSW
10
G33
SW
10
G34
SSW
10
G33
SW
11
G32
SSW
13
G32
SW
14
G34
SW
14
G35
SW
14
G36
SW
15
G37
SW
16
G34
SW
16
G32
SW
17
G30
SW
17
G30
SW
17
G29
SW
16
G30
SSW
16
G30
SW
17
G29
SSW
16
G30
SSW
15
G32
SW
12
G32
SW
10
G30
SW
10
G30
WSW
14
G30
WSW
6
G23
W
5
G7
WSW
5
G13
WSW
5
G11
SW
5
G11
WSW
6
G13
WSW
6
G12
WNW
4
G5
W
5
G9
WNW
6
G10
NW
4
G6
NW
6
G11
NW
6
G11
NW
7
G12
NW
9
G14
WNW
9
G15
WNW
8
G18
NW
5
G10
WNW
5
G9
S
4
G14
SW
7
G17
S
10
G25
SSW
9
G22
SW
6
G20
W
2
G5
SSE
3
SW
4
W
5
G6
WSW
5
G12
SW
6
G10
SW
6
G16
SW
6
G15
WNW
7
G15
WNW
8
G21
NW
11
G23
NW
13
G27
WNW
14
G29
WNW
15
G30
WNW
16
G29
NW
15
G29
NW
15
G27
NW
14
G28
NW
12
G26
NW
11
G25
NW
10
G19
N
8
G24
NNW
7
G20
NNW
6
G15
NW
6
G11
WNW
6
G13
WNW
7
G16
WNW
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
2%
2%
2%
2%
3%
4%
3%
3%
2%
3%
4%
4%
3%
4%
4%
5%
5%
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%
3%
3%
3%
3%
3%
3%
17%
17%
17%
17%
17%
17%
8%
8%
8%
8%
8%
8%
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%
1%
1%
1%
14%
14%
14%
14%
14%
14%
5%
5%
5%
5%
5%
CLOUDS
cover %
10%
clear
10%
1%
1%
85%
41%
43%
11%
2%
84%
96%
100%
52%
100%
100%
100%
100%
47%
0%
54%
85%
70%
100%
0%
100%
100%
100%
100%
100%
100%
8%
67%
38%
13%
3%
0%
28%
7%
75%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
56%
10%
17%
100%
15%
89%
100%
100%
100%
13%
0%
0%
75%
79%
32%
31%
100%
10%
100%
99%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
88%
56%
100%
61%
100%
100%
100%
77%
7%
0%
79%
0%
0%
41%
100%
100%
100%
87%
100%
12%
7%
7%
11%
5%
0%
0%
5%
0%
6%
6%
6%
0%
6%
15%
20%
17%
11%
PRESSURE
hPa · trend
1015
101510151014101210121011100910081005100299810001001100299910001001100210021005
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Ideal
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:26 AM
SUNSET
08:45 PM
15H 19M OF DAYLIGHT
MOON PHASE
Waning Crescent
7% illuminated

Station Location

44.8465, -75.0784
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 06:00 UTC
Site #04265432·USGS

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