339
CDUS42 KKEY 100528
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
128 AM EDT WED SEP 10 2025
...............................
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 9 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 89 321 PM 95 1987 90 -1 90
MINIMUM 77 1032 PM 71 1954 79 -2 85
1988
1991
AVERAGE 83 84 -1 88
PRECIPITATION (IN)
YESTERDAY 0.30 2.30 2002 0.20 0.10 0.00
MONTH TO DATE 3.63 1.83 1.80 0.56
SINCE SEP 1 3.63 1.83 1.80 0.56
SINCE JAN 1 20.23 25.29 -5.06 35.69
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 18 20 -2 23
MONTH TO DATE 108 180 -72 196
SINCE SEP 1 108 180 -72 196
SINCE JAN 1 3656 3650 6 3864
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 4.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96
LOWEST 68
AVERAGE 82
......................................................
THE MARATHON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 95 1993
MINIMUM TEMPERATURE (F) 79 67 1953
SUNRISE AND SUNSET
SEPTEMBER 10 2025.....SUNRISE 709 AM EDT SUNSET 733 PM EDT
SEPTEMBER 11 2025.....SUNRISE 709 AM EDT SUNSET 732 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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