Waterlands
Green River
USGS · 03309000
GREEN RIVER
USGS · 03309000LIVE

GREEN RIVER AT MAMMOTH CAVE, KY

EDMONSON COUNTY, KY37.1800°N, -86.1125°W Updated 49 min ago
FLOW RATE
578cfs
GAUGE HT
9.64ft
AIR TEMP
75°F
WIND
10mph N
FISH INDEX
69SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
578cfs 75.3% vs avg
Optimal band: 542734 cfs
PERIOD HIGH
759cfs
PERIOD LOW
575cfs
RUNNABLE
92%
last 1 day in band

Gauge Height

9.64ft
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

24.0in

≈ normal

24.03 in of precipitation so far this year — about average for this point in the season (normal 26.23 in).

YTD Total

24.0in

This year so far

Normal to Date

26.2in

30-yr average

Typical Range

20.0–33.7in

10th–90th pct YTD

Departure

-8%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 2.71" · normal 4.07" (2.5–5.4)
Jan
Feb: 2.06" · normal 4.20" (2.4–7.3)
Feb
Mar: 3.04" · normal 4.92" (2.8–7.1)
Mar
Apr: 3.27" · normal 5.08" (2.1–7.1)
Apr
May: 8.22" · normal 4.99" (1.9–7.1)
May
Jun: 4.72" (so far)· normal 4.08" (1.8–5.5)
Jun
Jul: normal 3.76" (1.8–6.2)
Jul
Aug: normal 3.15" (1.3–4.8)
Aug
Sep: normal 3.50" (1.1–6.3)
Sep
Oct: normal 3.56" (0.7–6.2)
Oct
Nov: normal 3.82" (1.7–6.1)
Nov
Dec: normal 4.64" (3.0–6.1)
Dec
Baseline 19912020 · Source: Open-Meteo02:41 PM
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
82°
65°
WED
84°
63°
THU
86°
65°
FRI
87°
70°
SAT
84°
70°
SUN
91°
73°
MON
93°
75°
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
TEMP
hourly forecast
82°
mild
82°
82°
81°
80°
79°
75°
73°
71°
69°
68°
67°
66°
65°
64°
64°
63°
68°
73°
76°
78°
80°
82°
83°
84°
84°
84°
84°
82°
81°
78°
76°
74°
72°
72°
70°
70°
69°
68°
66°
65°
69°
72°
76°
78°
81°
83°
85°
86°
85°
85°
85°
84°
82°
77°
75°
74°
73°
72°
73°
73°
71°
70°
70°
70°
70°
70°
71°
78°
83°
85°
85°
87°
84°
81°
80°
77°
75°
74°
73°
73°
72°
72°
71°
71°
71°
70°
71°
71°
72°
73°
77°
82°
82°
84°
81°
79°
77°
81°
77°
79°
79°
76°
76°
76°
75°
75°
74°
74°
73°
73°
73°
73°
74°
77°
WIND
mph · gust · dir
8mph N
G 11 mph
8
G11
N
8
G12
NNW
8
G12
NNW
8
G12
NNW
6
G9
N
5
G10
N
3
G9
NNE
3
G8
N
3
G9
NNE
3
G9
N
2
G8
NE
3
G9
NE
4
G8
ENE
4
G7
ENE
3
G7
ENE
4
G8
ENE
2
G7
ESE
5
G8
ESE
5
G7
SE
4
G5
S
3
G5
WSW
3
G5
W
5
G7
W
5
G8
WNW
4
G7
WNW
5
G7
NW
4
G6
NW
7
G9
NW
4
G6
NW
3
G6
NW
1
G5
NE
3
G6
N
2
G4
NNE
3
G5
E
4
G5
ESE
3
ESE
3
ESE
2
ESE
3
SSW
3
G4
SSW
4
G9
S
5
G9
SSW
7
G11
SSW
7
G11
SSW
8
G12
SSW
9
G12
SW
8
G11
SW
9
G12
SW
9
G12
SW
9
G14
SW
7
G14
SW
5
G11
SW
1
G3
SSE
3
ESE
5
G6
SSE
6
G14
SSW
5
G21
S
6
G20
S
6
G22
S
7
G29
SSW
7
G28
SSW
6
G27
SW
5
G22
S
5
G19
SSW
7
G24
S
8
G28
SSW
9
G29
SSW
12
G29
SSW
13
G23
SW
13
G21
SW
13
G21
SW
13
G21
SW
12
G22
WSW
11
G22
WSW
10
G25
W
10
G27
W
7
G27
W
8
G27
W
9
G28
W
10
G31
WNW
5
G17
WNW
1
G5
WSW
2
SSE
3
SSE
4
G6
SSE
5
G9
S
5
G12
S
3
SW
2
G3
WSW
2
SSW
5
G10
SW
4
G8
WSW
6
G10
WSW
9
G11
WSW
11
G19
WSW
9
G19
SW
8
G25
WSW
10
G22
WSW
8
G20
W
5
G17
WSW
4
G14
WSW
2
SSW
3
S
4
SSE
4
S
4
SSW
5
G7
SSW
5
G9
SW
5
G10
SW
5
G12
SW
4
G13
SW
4
G13
WSW
4
G13
WSW
4
G13
WSW
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
2%
2%
2%
3%
2%
2%
2%
2%
3%
3%
3%
3%
3%
2%
2%
2%
2%
2%
2%
5%
5%
5%
5%
5%
5%
3%
3%
3%
3%
3%
3%
33%
33%
33%
33%
33%
33%
36%
36%
36%
36%
36%
36%
39%
39%
39%
39%
39%
39%
44%
44%
44%
44%
44%
44%
58%
58%
58%
58%
58%
58%
40%
40%
40%
40%
40%
40%
47%
47%
47%
47%
47%
47%
50%
50%
50%
50%
50%
50%
51%
51%
51%
51%
51%
51%
27%
27%
27%
27%
27%
27%
17%
17%
17%
17%
17%
17%
11%
CLOUDS
cover %
4%
clear
4%
9%
17%
5%
6%
0%
17%
84%
14%
6%
1%
96%
3%
100%
18%
100%
100%
100%
85%
60%
100%
100%
100%
100%
100%
31%
89%
76%
65%
33%
99%
100%
100%
66%
0%
0%
0%
0%
0%
57%
33%
11%
100%
100%
56%
100%
44%
53%
72%
87%
71%
9%
100%
100%
100%
100%
82%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
20%
100%
100%
49%
96%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
97%
86%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
76%
100%
100%
100%
100%
100%
100%
100%
100%
100%
87%
69%
60%
72%
94%
100%
73%
PRESSURE
hPa · trend
1002
100210031003100210011000999100099899699799899799899810009999991000
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
69
Temperature
Warm
Wind
Moderate
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:25 AM
SUNSET
08:08 PM
14H 43M OF DAYLIGHT5H 19M REMAINING
MOON PHASE
First Quarter
60% illuminated

Station Location

37.1800, -86.1125
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-23 14:49 UTC
Site #03309000·USGS

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