250
CDUS42 KKEY 170530
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
130 AM EDT THU SEP 17 2026
...............................
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 16 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1950 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 91 103 PM 97 2023 90 1 89
MINIMUM 79 236 AM 71 1952 78 1 78
1965
AVERAGE 85 84 1 84
PRECIPITATION (IN)
YESTERDAY 0.16 3.01 1996 0.22 -0.06 0.00
MONTH TO DATE 0.77 3.28 -2.51 5.37
SINCE SEP 1 0.77 3.28 -2.51 5.37
SINCE JAN 1 16.64 26.74 -10.10 21.97
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 20 19 1 19
MONTH TO DATE 337 314 23 291
SINCE SEP 1 337 314 23 291
SINCE JAN 1 3810 3784 26 3839
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WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 10.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 59
AVERAGE 74
......................................................
THE MARATHON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 97 2023
MINIMUM TEMPERATURE (F) 78 71 1957
SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE 711 AM EDT SUNSET 726 PM EDT
SEPTEMBER 18 2026.....SUNRISE 712 AM EDT SUNSET 725 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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