Climatological Report (Daily)
Issued by NWS

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990
CDUS42 KKEY 200527
CLIMTH

CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
127 AM EDT WED AUG 20 2025

...................................

...THE MARATHON CLIMATE SUMMARY FOR AUGUST 19 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         93    452 PM  96    2022  92      1       92
  MINIMUM         82    859 PM  73    1955  80      2       84
                                      1963
                                      1989
  AVERAGE         88                        86      2       88

PRECIPITATION (IN)
  YESTERDAY        0.00          1.72 1986   0.17  -0.17     0.02
  MONTH TO DATE    2.56                      3.07  -0.51     4.70
  SINCE JUN 1     10.24                     11.07  -0.83    15.41
  SINCE JAN 1     15.68                     21.21  -5.53    31.02

DEGREE DAYS
 HEATING
  YESTERDAY        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
  YESTERDAY       23                        21      2       23
  MONTH TO DATE  397                       399     -2      408
  SINCE JUN 1   1604                      1606     -2     1663
  SINCE JAN 1   3288                      3229     59     3429
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     5.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82
 LOWEST     58
 AVERAGE    70

..........................................................


THE MARATHON CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   92        95      2010
                                             2012
                                             2022
 MINIMUM TEMPERATURE (F)   80        70      1963


SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE   701 AM EDT   SUNSET   754 PM EDT
AUGUST 21 2025........SUNRISE   701 AM EDT   SUNSET   753 PM EDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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