177
CDUS42 KKEY 172116
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
416 PM EST WED DEC 17 2025
...............................
..THE MARATHON CLIMATE SUMMARY FOR DECEMBER 17 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 79 154 PM 86 1971 78 1 82
2016
MINIMUM 70 652 AM 49 1952 68 2 75
AVERAGE 75 73 2 79
PRECIPITATION (IN)
TODAY 0.00 2.24 2006 0.07 -0.07 T
MONTH TO DATE 1.41 1.32 0.09 0.10
SINCE DEC 1 1.41 1.32 0.09 0.10
SINCE JAN 1 38.37 38.84 -0.47 46.70
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 0 5 -5 0
SINCE DEC 1 0 5 -5 0
SINCE JUL 1 5 6 -1 0
COOLING
TODAY 10 8 2 14
MONTH TO DATE 180 153 27 115
SINCE DEC 1 180 153 27 115
SINCE JAN 1 5075 5024 51 5348
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 8.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87
LOWEST 60
AVERAGE 74
......................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 88 2016
MINIMUM TEMPERATURE (F) 67 50 1982
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 702 AM EST SUNSET 539 PM EST
DECEMBER 18 2025......SUNRISE 703 AM EST SUNSET 539 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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