680
CDUS42 KKEY 202120
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
420 PM EST WED DEC 20 2023
...............................
..THE MARATHON CLIMATE SUMMARY FOR DECEMBER 20 2023
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1950 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM MM MM 87 2018 78 MM 81
MINIMUM 62 656 AM 49 1950 67 -5 69
1996
AVERAGE MM 72 MM 75
PRECIPITATION (IN)
TODAY 0.00 1.09 2022 0.08 -0.08 1.09
MONTH TO DATE 3.37 1.55 1.82 2.81
SINCE DEC 1 3.37 1.55 1.82 2.81
SINCE JAN 1 47.35 39.07 8.28 34.30
DEGREE DAYS
HEATING
TODAY MM 1 MM 0
MONTH TO DATE 1 6 -5 0
SINCE DEC 1 1 6 -5 0
SINCE JUL 1 1 7 -6 0
COOLING
TODAY MM 8 MM 10
MONTH TO DATE 161 177 -16 251
SINCE DEC 1 161 177 -16 251
SINCE JAN 1 6031 5048 983 5733
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 13.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86
LOWEST 71
AVERAGE 79
......................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 87 1986
MINIMUM TEMPERATURE (F) 67 47 1954
SUNRISE AND SUNSET
DECEMBER 20 2023......SUNRISE 704 AM EST SUNSET 540 PM EST
DECEMBER 21 2023......SUNRISE 704 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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