435
CDUS42 KKEY 270531
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
131 AM EDT SUN SEP 27 2026
...............................
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 26 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 87 252 PM 93 1951 89 -2 88
2002
2006
MINIMUM 78 627 AM 69 1957 78 0 79
AVERAGE 83 84 -1 84
PRECIPITATION (IN)
YESTERDAY 0.00 5.28 2007 0.22 -0.22 0.00
MONTH TO DATE 2.21 5.54 -3.33 8.43
SINCE SEP 1 2.21 5.54 -3.33 8.43
SINCE JAN 1 18.08 29.00 -10.92 25.03
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 18 0 19
MONTH TO DATE 515 503 12 471
SINCE SEP 1 515 503 12 471
SINCE JAN 1 3988 3973 15 4019
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 7.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 59
AVERAGE 74
......................................................
THE MARATHON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 96 1987
MINIMUM TEMPERATURE (F) 78 71 1957
1959
2016
SUNRISE AND SUNSET
SEPTEMBER 27 2026.....SUNRISE 715 AM EDT SUNSET 715 PM EDT
SEPTEMBER 28 2026.....SUNRISE 715 AM EDT SUNSET 714 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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