853
CDUS42 KKEY 230547
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
147 AM EDT TUE SEP 23 2025
...............................
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 22 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 94 1987 89 MM 92
MINIMUM MM MM 66 1959 78 MM 78
AVERAGE MM 84 MM 85
PRECIPITATION (IN)
YESTERDAY 0.13 4.70 1959 0.23 -0.10 0.04
MONTH TO DATE 7.35 4.66 2.69 1.74
SINCE SEP 1 7.35 4.66 2.69 1.74
SINCE JAN 1 23.95 28.12 -4.17 36.87
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 272 428 -156 474
SINCE SEP 1 272 428 -156 474
SINCE JAN 1 3820 3898 -78 4142
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 6.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82
LOWEST 70
AVERAGE 76
......................................................
THE MARATHON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 93 1951
2020
MINIMUM TEMPERATURE (F) 78 70 1953
SUNRISE AND SUNSET
SEPTEMBER 23 2025.....SUNRISE 713 AM EDT SUNSET 719 PM EDT
SEPTEMBER 24 2025.....SUNRISE 714 AM EDT SUNSET 718 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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