Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS42 KKEY 312032
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
432 PM EDT THU JUL 31 2025
...................................
...THE MARATHON CLIMATE SUMMARY FOR JULY 31 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 91 150 PM 97 1993 92 -1 91
MINIMUM 84 621 AM 70 1954 80 4 84
AVERAGE 88 86 2 88
PRECIPITATION (IN)
TODAY 0.00 1.32 2017 0.13 -0.13 0.04
MONTH TO DATE 2.05 3.77 -1.72 1.04
SINCE JUN 1 7.68 8.00 -0.32 10.71
SINCE JAN 1 13.12 18.14 -5.02 26.32
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 23 21 2 23
MONTH TO DATE 628 625 3 677
SINCE JUN 1 1207 1207 0 1255
SINCE JAN 1 2891 2830 61 3021
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 6.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77
LOWEST 63
AVERAGE 70
..........................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 92 96 2023
MINIMUM TEMPERATURE (F) 80 72 1953
SUNRISE AND SUNSET
JULY 31 2025..........SUNRISE 652 AM EDT SUNSET 809 PM EDT
AUGUST 1 2025........SUNRISE 653 AM EDT SUNSET 808 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$