266
CDUS42 KKEY 090528
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
128 AM EDT TUE SEP 09 2025
...............................
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 8 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 89 107 PM 95 2022 91 -2 90
MINIMUM 79 424 AM 71 1956 79 0 85
AVERAGE 84 85 -1 88
PRECIPITATION (IN)
YESTERDAY 0.00 1.25 2007 0.21 -0.21 0.00
MONTH TO DATE 3.33 1.63 1.70 0.56
SINCE SEP 1 3.33 1.63 1.70 0.56
SINCE JAN 1 19.93 25.09 -5.16 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 19 20 -1 23
MONTH TO DATE 90 160 -70 173
SINCE SEP 1 90 160 -70 173
SINCE JAN 1 3638 3630 8 3841
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 4.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85
LOWEST 67
AVERAGE 76
......................................................
THE MARATHON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 95 1987
MINIMUM TEMPERATURE (F) 79 71 1954
1988
1991
SUNRISE AND SUNSET
SEPTEMBER 9 2025.....SUNRISE 708 AM EDT SUNSET 734 PM EDT
SEPTEMBER 10 2025.....SUNRISE 709 AM EDT SUNSET 733 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page