814
CDUS42 KKEY 132116
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
416 PM EST SAT DEC 13 2025
...............................
..THE MARATHON CLIMATE SUMMARY FOR DECEMBER 13 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 1216 PM 87 1961 78 1 76
1986
MINIMUM 71 223 AM 42 1962 68 3 65
AVERAGE 75 73 2 71
PRECIPITATION (IN)
TODAY 0.01 0.64 1997 0.08 -0.07 0.00
MONTH TO DATE 0.74 1.01 -0.27 0.02
SINCE DEC 1 0.74 1.01 -0.27 0.02
SINCE JAN 1 37.70 38.53 -0.83 46.62
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 0 1 -1 0
SINCE DEC 1 0 1 -1 0
SINCE JUL 1 5 2 3 0
COOLING
TODAY 10 9 1 6
MONTH TO DATE 145 120 25 73
SINCE DEC 1 145 120 25 73
SINCE JAN 1 5040 4991 49 5306
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 9.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91
LOWEST 72
AVERAGE 82
......................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 87 2018
MINIMUM TEMPERATURE (F) 68 44 1962
2010
SUNRISE AND SUNSET
DECEMBER 13 2025......SUNRISE 700 AM EST SUNSET 537 PM EST
DECEMBER 14 2025......SUNRISE 701 AM EST SUNSET 538 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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