162
CDUS42 KKEY 182143
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
543 PM EDT FRI SEP 18 2026
...............................
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 18 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 88 159 PM 95 1989 90 -2 84
MINIMUM 78 442 AM 68 1956 78 0 76
AVERAGE 83 84 -1 80
PRECIPITATION (IN)
TODAY 0.47 2.89 1985 0.24 0.23 1.32
MONTH TO DATE 1.40 3.74 -2.34 7.06
SINCE SEP 1 1.40 3.74 -2.34 7.06
SINCE JAN 1 17.27 27.20 -9.93 23.66
DEGREE DAYS
HEATING
TODAY 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
TODAY 18 19 -1 15
MONTH TO DATE 373 352 21 321
SINCE SEP 1 373 352 21 321
SINCE JAN 1 3846 3822 24 3869
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 6.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94
LOWEST 72
AVERAGE 83
......................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 96 2023
MINIMUM TEMPERATURE (F) 78 67 1954
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 712 AM EDT SUNSET 725 PM EDT
SEPTEMBER 19 2026.....SUNRISE 712 AM EDT SUNSET 724 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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