247
CDUS42 KKEY 092020
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
420 PM EDT TUE SEP 09 2025
...............................
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 9 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1950 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 89 231 PM 95 1987 90 -1 90
MINIMUM 83 632 AM 71 1954 79 4 85
1988
1991
AVERAGE 86 84 2 88
PRECIPITATION (IN)
TODAY 0.00 2.30 2002 0.20 -0.20 0.00
MONTH TO DATE 3.33 1.83 1.50 0.56
SINCE SEP 1 3.33 1.83 1.50 0.56
SINCE JAN 1 19.93 25.29 -5.36 35.69
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 21 20 1 23
MONTH TO DATE 111 180 -69 196
SINCE SEP 1 111 180 -69 196
SINCE JAN 1 3659 3650 9 3864
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 5.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82
LOWEST 70
AVERAGE 76
......................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 95 1993
MINIMUM TEMPERATURE (F) 79 67 1953
SUNRISE AND SUNSET
SEPTEMBER 9 2025.....SUNRISE 708 AM EDT SUNSET 734 PM EDT
SEPTEMBER 10 2025.....SUNRISE 709 AM EDT SUNSET 733 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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