427
CDUS42 KKEY 112148
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
548 PM EDT FRI SEP 11 2026
...............................
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 11 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 89 213 PM 96 2022 90 -1 91
2023
MINIMUM 84 1148 AM 69 1956 79 5 78
AVERAGE 87 84 3 85
PRECIPITATION (IN)
TODAY 0.00 1.66 1963 0.20 -0.20 0.43
MONTH TO DATE 0.55 2.23 -1.68 4.07
SINCE SEP 1 0.55 2.23 -1.68 4.07
SINCE JAN 1 16.42 25.69 -9.27 20.67
DEGREE DAYS
HEATING
TODAY 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
TODAY 22 19 3 20
MONTH TO DATE 234 219 15 205
SINCE SEP 1 234 219 15 205
SINCE JAN 1 3707 3689 18 3753
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 6.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80
LOWEST 68
AVERAGE 74
......................................................
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 2026.....SUNRISE 709 AM EDT SUNSET 732 PM EDT
SEPTEMBER 12 2026.....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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