Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS42 KKEY 212132
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
532 PM EDT FRI AUG 21 2026
...................................
...THE MARATHON CLIMATE SUMMARY FOR AUGUST 21 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 89 353 PM 97 1952 92 -3 92
MINIMUM 84 357 AM 71 1975 80 4 85
AVERAGE 87 86 1 89
PRECIPITATION (IN)
TODAY 0.00 1.08 2006 0.17 -0.17 0.00
MONTH TO DATE 0.40 3.40 -3.00 2.56
SINCE JUN 1 4.91 11.40 -6.49 10.24
SINCE JAN 1 15.76 21.54 -5.78 15.68
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 22 21 1 24
MONTH TO DATE 440 441 -1 444
SINCE JUN 1 1684 1648 36 1651
SINCE JAN 1 3256 3271 -15 3335
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 6.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77
LOWEST 65
AVERAGE 71
..........................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 92 98 1952
MINIMUM TEMPERATURE (F) 80 71 1953
1954
SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE 701 AM EDT SUNSET 753 PM EDT
AUGUST 22 2026........SUNRISE 702 AM EDT SUNSET 752 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$