503
CDUS42 KKEY 252018
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
418 PM EDT THU SEP 25 2025
...............................
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 25 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 1988 89 MM 89
MINIMUM MM MM 67 1953 78 MM 78
AVERAGE MM 84 MM 84
PRECIPITATION (IN)
TODAY 0.00 1.77 1968 0.22 -0.22 0.31
MONTH TO DATE 8.43 5.32 3.11 2.40
SINCE SEP 1 8.43 5.32 3.11 2.40
SINCE JAN 1 25.03 28.78 -3.75 37.53
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 19
MONTH TO DATE 272 485 -213 534
SINCE SEP 1 272 485 -213 534
SINCE JAN 1 3820 3955 -135 4202
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 3.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
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) 89 93 1951
2002
2006
MINIMUM TEMPERATURE (F) 78 69 1957
SUNRISE AND SUNSET
SEPTEMBER 25 2025.....SUNRISE 714 AM EDT SUNSET 717 PM EDT
SEPTEMBER 26 2025.....SUNRISE 715 AM EDT SUNSET 716 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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