CDUS42 KKEY 100540
CLIMTH

CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
1240 AM EST SUN DEC 10 2023

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

...THE MARATHON CLIMATE SUMMARY FOR DECEMBER 9 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1950 TO 2023


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         84   1246 PM  86    1972  79      5       82
  MINIMUM         73    804 PM  53    2010  69      4       73
  AVERAGE         79                        74      5       78

PRECIPITATION (IN)
  YESTERDAY        0.09          0.86 2017   0.08   0.01     0.00
  MONTH TO DATE    0.10                      0.69  -0.59     0.05
  SINCE DEC 1      0.10                      0.69  -0.59     0.05
  SINCE JAN 1     44.08                     38.21   5.87    31.54

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JUL 1      0                         1     -1        0

 COOLING
  YESTERDAY       14                         9      5       13
  MONTH TO DATE  103                        84     19      125
  SINCE DEC 1    103                        84     19      125
  SINCE JAN 1   5973                      4955   1018     5607
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     7.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    94
 LOWEST     67
 AVERAGE    81

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


THE MARATHON CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        86      1971
                                             2004
                                             2019
 MINIMUM TEMPERATURE (F)   69        52      2014


SUNRISE AND SUNSET
DECEMBER 10 2023......SUNRISE   658 AM EST   SUNSET   536 PM EST
DECEMBER 11 2023......SUNRISE   658 AM EST   SUNSET   537 PM EST


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




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