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

GREEN RIVER AT MAMMOTH CAVE, KY

EDMONSON COUNTY, KY37.1800°N, -86.1125°W Updated 20 hr ago
FLOW RATE
651cfs
AIR TEMP
82°F
WIND
8mph SW
FISH INDEX
56SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
651cfs 61.3% vs avg
Optimal band: 553749 cfs
PERIOD HIGH
4,479cfs
PERIOD LOW
289cfs
RUNNABLE
16%
last 30 day in band
Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

19.4in

-19% vs normal

19.36 in of precipitation so far this year, 19% below the 30-year normal of 23.9 in for this point in the season.

YTD Total

19.4in

This year so far

Normal to Date

23.9in

30-yr average

Typical Range

18.4–28.9in

10th–90th pct YTD

Departure

-19%

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: 0.06" (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-Meteo02:24 PM
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
83°
60°
SAT
86°
65°
SUN
82°
67°
MON
78°
68°
TUE
82°
69°
WED
87°
70°
THU
89°
71°
TIME
FRI
9
NOW
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
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
TEMP
hourly forecast
73°
mild
73°
71°
70°
69°
69°
68°
66°
65°
65°
65°
69°
73°
77°
80°
82°
83°
85°
85°
86°
86°
86°
85°
83°
80°
78°
76°
75°
73°
73°
72°
72°
71°
70°
70°
73°
78°
80°
82°
80°
76°
71°
67°
67°
67°
69°
69°
70°
70°
69°
69°
69°
69°
69°
68°
68°
68°
68°
68°
68°
68°
70°
71°
71°
73°
74°
74°
74°
78°
75°
73°
73°
71°
71°
70°
70°
70°
70°
70°
70°
70°
70°
69°
70°
71°
72°
71°
72°
73°
79°
80°
82°
82°
82°
80°
78°
75°
74°
73°
73°
72°
71°
71°
70°
70°
70°
70°
71°
74°
77°
81°
84°
86°
87°
87°
WIND
mph · gust · dir
5mph SSW
G 11 mph
5
G11
SSW
5
G13
S
5
G14
SSW
6
G13
S
6
G16
S
6
G15
SSW
6
G14
SSW
5
G14
SSW
5
G14
SSW
5
G13
SSW
6
G16
SSW
6
G17
SSW
8
G18
SW
8
G17
SW
9
G13
SW
8
G11
SW
7
G9
SW
7
G10
SW
6
G9
SW
6
G9
SW
5
G10
WSW
4
G11
WSW
2
G8
W
3
G6
WSW
3
G6
SSW
5
G9
SSW
5
G8
S
5
G11
S
5
G13
S
4
G11
S
4
G12
S
5
G11
S
5
G9
S
5
G11
SSW
4
G13
SSW
6
G14
SW
6
G12
SW
5
G8
SW
5
G9
SSW
6
G13
SSE
8
G16
SE
8
G19
ESE
9
G22
SE
9
G22
SE
9
G20
SSE
7
G18
SSE
6
G15
SSE
6
G15
SSE
6
G17
SSE
6
G19
SSE
6
G19
SSE
6
G17
SSE
6
G18
SSE
6
G16
SE
7
G20
SSE
7
G19
SSE
7
G19
SSE
6
G15
S
5
G16
S
7
G14
SSE
8
G15
SSE
7
G15
S
7
G16
S
7
G15
S
8
G15
S
7
G13
S
5
G12
SSE
6
G11
S
5
G12
S
6
G14
SSE
8
G17
SSE
9
G25
SSE
10
G26
S
9
G26
S
9
G24
S
11
G26
S
10
G26
S
10
G27
SSW
10
G27
SSW
9
G26
SSW
9
G25
SSW
9
G25
SSW
8
G24
SSW
9
G24
SW
9
G23
WSW
10
G22
SW
9
G19
SW
9
G16
SSW
11
G16
SW
10
G16
SW
9
G14
SW
9
G13
SW
8
G12
WSW
7
G13
SW
6
G15
SW
6
G15
SW
6
G15
SSW
6
G19
S
6
G20
S
5
G22
SSW
6
G22
S
6
G22
SSW
7
G24
S
7
G25
SSW
8
G25
SSW
7
G23
SSW
7
G23
SSW
8
G21
SSW
9
G18
SW
9
G15
SW
9
G13
SW
9
G12
SW
9
G11
SW
9
G11
SW
PRECIP
chance %
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
2%
3%
4%
4%
5%
5%
4%
4%
5%
5%
5%
6%
6%
5%
6%
6%
6%
6%
6%
8%
4%
4%
4%
4%
4%
4%
22%
22%
22%
22%
22%
22%
26%
26%
26%
26%
26%
26%
20%
20%
20%
20%
20%
20%
49%
49%
49%
49%
49%
49%
58%
58%
58%
58%
58%
58%
67%
67%
67%
67%
67%
67%
46%
46%
46%
46%
46%
46%
48%
48%
48%
48%
48%
48%
50%
50%
50%
50%
50%
50%
54%
54%
54%
54%
54%
54%
30%
30%
30%
30%
30%
30%
42%
42%
42%
42%
42%
42%
42%
42%
42%
42%
42%
42%
31%
CLOUDS
cover %
69%
mostly
69%
93%
72%
100%
100%
100%
100%
100%
100%
100%
100%
100%
90%
100%
100%
100%
93%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
98%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
97%
100%
100%
100%
100%
100%
100%
100%
100%
81%
51%
16%
20%
18%
12%
17%
75%
100%
100%
100%
100%
100%
100%
100%
100%
48%
39%
35%
34%
36%
42%
51%
65%
PRESSURE
hPa · trend
999
99999910019999989979999989989981001100010009991001998997997998
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
56
Temperature
Too Hot
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:24 AM
SUNSET
08:01 PM
14H 37M OF DAYLIGHT0H 0M REMAINING
MOON PHASE
Waning Gibbous
71% illuminated

Station Location

37.1800, -86.1125
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-05 20:30 UTC
Site #03309000·USGS

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