924
CDUS42 KKEY 130531
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
131 AM EDT SAT SEP 13 2025
...............................
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 12 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 96 2022 90 MM 94
MINIMUM MM MM 71 1953 79 MM 85
1956
AVERAGE MM 84 MM 90
PRECIPITATION (IN)
YESTERDAY 0.01 8.13 2020 0.21 -0.20 0.00
MONTH TO DATE 4.08 2.44 1.64 0.57
SINCE SEP 1 4.08 2.44 1.64 0.57
SINCE JAN 1 20.68 25.90 -5.22 35.70
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 25
MONTH TO DATE 108 238 -130 266
SINCE SEP 1 108 238 -130 266
SINCE JAN 1 3656 3708 -52 3934
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 4.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94
LOWEST 68
AVERAGE 81
......................................................
THE MARATHON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 95 2015
2022
MINIMUM TEMPERATURE (F) 79 68 1954
SUNRISE AND SUNSET
SEPTEMBER 13 2025.....SUNRISE 710 AM EDT SUNSET 730 PM EDT
SEPTEMBER 14 2025.....SUNRISE 710 AM EDT SUNSET 729 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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