Climatological Report (Daily)
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798
CDUS42 KKEY 182130
CLIMTH

CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
530 PM EDT TUE AUG 18 2026

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

...THE MARATHON CLIMATE SUMMARY FOR AUGUST 18 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         91   1227 PM  96    1991  92     -1       93
  MINIMUM         77    606 AM  70    2007  80     -3       80
  AVERAGE         84                        86     -2       87

PRECIPITATION (IN)
  TODAY            0.00          6.61 2008   0.17  -0.17     0.00
  MONTH TO DATE    0.40                      2.90  -2.50     2.56
  SINCE JUN 1      4.91                     10.90  -5.99    10.24
  SINCE JAN 1     15.76                     21.04  -5.28    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           19                        21     -2       22
  MONTH TO DATE  372                       378     -6      374
  SINCE JUN 1   1616                      1585     31     1581
  SINCE JAN 1   3188                      3208    -20     3265
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     3.0


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    93
 LOWEST     66
 AVERAGE    80

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


THE MARATHON CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   92        96      2022
 MINIMUM TEMPERATURE (F)   80        73      1955
                                             1963
                                             1989


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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