Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS42 KKEY 020538
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
138 AM EDT TUE SEP 02 2025
...................................
...THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 1 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 1103 AM 95 2022 91 -2 89
MINIMUM 77 433 PM 70 1951 79 -2 82
AVERAGE 83 85 -2 86
PRECIPITATION (IN)
YESTERDAY 0.75 2.21 1971 0.20 0.55 T
MONTH TO DATE 0.75 0.20 0.55 T
SINCE SEP 1 0.75 0.20 0.55 T
SINCE JAN 1 17.35 23.66 -6.31 35.13
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 20 -2 21
MONTH TO DATE 18 20 -2 21
SINCE SEP 1 18 20 -2 21
SINCE JAN 1 3566 3490 76 3689
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 6.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97
LOWEST 70
AVERAGE 84
..........................................................
THE MARATHON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 91 96 2022
MINIMUM TEMPERATURE (F) 79 70 1954
SUNRISE AND SUNSET
SEPTEMBER 2 2025.....SUNRISE 706 AM EDT SUNSET 741 PM EDT
SEPTEMBER 3 2025.....SUNRISE 706 AM EDT SUNSET 740 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$