Climatological Report (Daily)
Issued by NWS
Issued by NWS
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406
CDUS42 KKEY 212016
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
416 PM EDT MON JUL 21 2025
...................................
...THE MARATHON CLIMATE SUMMARY FOR JULY 21 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 90 255 PM 97 2023 91 -1 91
MINIMUM 82 540 AM 69 1953 80 2 82
AVERAGE 86 85 1 87
PRECIPITATION (IN)
TODAY 0.01 3.34 2006 0.14 -0.13 0.06
MONTH TO DATE 1.21 2.50 -1.29 0.90
SINCE JUN 1 6.84 6.73 0.11 10.57
SINCE JAN 1 12.28 16.87 -4.59 26.18
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 20 1 22
MONTH TO DATE 419 420 -1 453
SINCE JUN 1 998 1002 -4 1031
SINCE JAN 1 2682 2625 57 2797
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80
LOWEST 61
AVERAGE 71
..........................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 91 98 2023
MINIMUM TEMPERATURE (F) 80 68 1956
SUNRISE AND SUNSET
JULY 21 2025..........SUNRISE 647 AM EDT SUNSET 814 PM EDT
JULY 22 2025..........SUNRISE 648 AM EDT SUNSET 813 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$