402
CDUS42 KKEY 220529
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
129 AM EDT TUE SEP 22 2026
...............................
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 21 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1950 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 87 1055 AM 96 1987 90 -3 90
MINIMUM 79 835 PM 70 1956 78 1 79
1959
AVERAGE 83 84 -1 85
PRECIPITATION (IN)
YESTERDAY 0.35 4.44 1959 0.23 0.12 0.03
MONTH TO DATE 1.94 4.43 -2.49 7.22
SINCE SEP 1 1.94 4.43 -2.49 7.22
SINCE JAN 1 17.81 27.89 -10.08 23.82
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 18 19 -1 20
MONTH TO DATE 427 409 18 376
SINCE SEP 1 427 409 18 376
SINCE JAN 1 3900 3879 21 3924
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 7.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90
LOWEST 70
AVERAGE 80
......................................................
THE MARATHON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 94 1987
MINIMUM TEMPERATURE (F) 78 66 1959
SUNRISE AND SUNSET
SEPTEMBER 22 2026.....SUNRISE 713 AM EDT SUNSET 721 PM EDT
SEPTEMBER 23 2026.....SUNRISE 713 AM EDT SUNSET 720 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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