Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS42 KKEY 012035
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
435 PM EDT MON SEP 01 2025
...................................
...THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 1 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 89 1103 AM 95 2022 91 -2 89
MINIMUM 79 1125 AM 70 1951 79 0 82
AVERAGE 84 85 -1 86
PRECIPITATION (IN)
TODAY 0.29 2.21 1971 0.20 0.09 T
MONTH TO DATE 0.29 0.20 0.09 T
SINCE SEP 1 0.29 0.20 0.09 T
SINCE JAN 1 16.89 23.66 -6.77 35.13
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 19 20 -1 21
MONTH TO DATE 19 20 -1 21
SINCE SEP 1 19 20 -1 21
SINCE JAN 1 3567 3490 77 3689
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 6.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90
LOWEST 70
AVERAGE 80
..........................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 91 96 2022
MINIMUM TEMPERATURE (F) 79 70 1954
SUNRISE AND SUNSET
SEPTEMBER 1 2025.....SUNRISE 706 AM EDT SUNSET 742 PM EDT
SEPTEMBER 2 2025.....SUNRISE 706 AM EDT SUNSET 741 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$