667
CDUS42 KKEY 212122
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
422 PM EST SUN DEC 21 2025
...............................
..THE MARATHON CLIMATE SUMMARY FOR DECEMBER 21 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 MM MM 87 1986 77 MM 68
MINIMUM MM MM 47 1954 67 MM 60
AVERAGE MM 72 MM 64
PRECIPITATION (IN)
TODAY 0.00 0.98 1962 0.07 -0.07 0.00
MONTH TO DATE 1.41 1.62 -0.21 0.13
SINCE DEC 1 1.41 1.62 -0.21 0.13
SINCE JAN 1 38.37 39.14 -0.77 46.73
DEGREE DAYS
HEATING
TODAY MM 1 MM 1
MONTH TO DATE 0 7 -7 1
SINCE DEC 1 0 7 -7 1
SINCE JUL 1 5 8 -3 1
COOLING
TODAY MM 8 MM 0
MONTH TO DATE 212 185 27 144
SINCE DEC 1 212 185 27 144
SINCE JAN 1 5107 5056 51 5377
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 6.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
......................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 84 1999
2022
MINIMUM TEMPERATURE (F) 67 45 1954
1960
SUNRISE AND SUNSET
DECEMBER 21 2025......SUNRISE 704 AM EST SUNSET 541 PM EST
DECEMBER 22 2025......SUNRISE 705 AM EST SUNSET 541 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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