Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS42 KKEY 312132
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
532 PM EDT FRI JUL 31 2026
...................................
...THE MARATHON CLIMATE SUMMARY FOR JULY 31 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 90 400 PM 97 1993 92 -2 91
MINIMUM 82 501 AM 70 1954 80 2 84
AVERAGE 86 86 0 88
PRECIPITATION (IN)
TODAY 0.00 1.32 2017 0.13 -0.13 0.00
MONTH TO DATE 2.78 3.77 -0.99 2.05
SINCE JUN 1 4.51 8.00 -3.49 7.68
SINCE JAN 1 15.36 18.14 -2.78 13.12
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 21 21 0 23
MONTH TO DATE 658 625 33 628
SINCE JUN 1 1243 1207 36 1207
SINCE JAN 1 2815 2830 -15 2891
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 1.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85
LOWEST 63
AVERAGE 74
..........................................................
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 2026..........SUNRISE 652 AM EDT SUNSET 809 PM EDT
AUGUST 1 2026........SUNRISE 652 AM EDT SUNSET 809 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$