329
CDUS42 KKEY 112022
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
422 PM EDT THU SEP 11 2025
...............................
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 11 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 96 2022 90 MM 90
2023
MINIMUM MM MM 69 1956 79 MM 84
AVERAGE MM 84 MM 87
PRECIPITATION (IN)
TODAY 0.00 1.66 1963 0.20 -0.20 0.01
MONTH TO DATE 3.64 2.23 1.41 0.57
SINCE SEP 1 3.64 2.23 1.41 0.57
SINCE JAN 1 20.24 25.69 -5.45 35.70
DEGREE DAYS
HEATING
TODAY MM 0 MM 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY MM 19 MM 22
MONTH TO DATE 108 219 -111 241
SINCE SEP 1 108 219 -111 241
SINCE JAN 1 3656 3689 -33 3909
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 2.9
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 70
LOWEST 68
AVERAGE 69
......................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 96 2022
MINIMUM TEMPERATURE (F) 79 71 1953
1956
SUNRISE AND SUNSET
SEPTEMBER 11 2025.....SUNRISE 709 AM EDT SUNSET 732 PM EDT
SEPTEMBER 12 2025.....SUNRISE 709 AM EDT SUNSET 731 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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