Climatological Report (Daily)
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976
CDUS42 KKEY 180526
CLIMTH

CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
126 AM EDT TUE AUG 18 2026

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

...THE MARATHON CLIMATE SUMMARY FOR AUGUST 17 2026...

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)
 YESTERDAY
  MAXIMUM         89    249 PM  96    1993  92     -3       89
  MINIMUM         79   1150 PM  70    1953  80     -1       79
  AVERAGE         84                        86     -2       84

PRECIPITATION (IN)
  YESTERDAY        0.00          0.60 1989   0.17  -0.17     0.09
  MONTH TO DATE    0.40                      2.73  -2.33     2.56
  SINCE JUN 1      4.91                     10.73  -5.82    10.24
  SINCE JAN 1     15.76                     20.87  -5.11    15.68

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       19                        21     -2       19
  MONTH TO DATE  353                       357     -4      352
  SINCE JUN 1   1597                      1564     33     1559
  SINCE JAN 1   3169                      3187    -18     3243
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     5.4


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    87
 LOWEST     63
 AVERAGE    75

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


THE MARATHON CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   92        96      1991
 MINIMUM TEMPERATURE (F)   80        70      2007


SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE   700 AM EDT   SUNSET   756 PM EDT
AUGUST 19 2026........SUNRISE   700 AM EDT   SUNSET   755 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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