670
CDUS42 KKEY 190541
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
141 AM EDT FRI SEP 19 2025
...............................
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 18 2025
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)
YESTERDAY
MAXIMUM MM MM 95 1989 90 MM 91
MINIMUM MM MM 68 1956 78 MM 79
AVERAGE MM 84 MM 85
PRECIPITATION (IN)
YESTERDAY 1.32 2.89 1985 0.24 1.08 0.32
MONTH TO DATE 7.06 3.74 3.32 1.11
SINCE SEP 1 7.06 3.74 3.32 1.11
SINCE JAN 1 23.66 27.20 -3.54 36.24
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY MM 19 MM 20
MONTH TO DATE 272 352 -80 398
SINCE SEP 1 272 352 -80 398
SINCE JAN 1 3820 3822 -2 4066
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WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 6.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90
LOWEST 74
AVERAGE 82
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THE MARATHON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 96 2023
MINIMUM TEMPERATURE (F) 78 67 1954
SUNRISE AND SUNSET
SEPTEMBER 19 2025.....SUNRISE 712 AM EDT SUNSET 724 PM EDT
SEPTEMBER 20 2025.....SUNRISE 712 AM EDT SUNSET 722 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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