Climatological Report (Daily)
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534
CDUS42 KKEY 152136
CLIMTH

CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
536 PM EDT TUE SEP 15 2026

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

...THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 15 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    216 PM  94    2022  90      1       86
                                      2023
  MINIMUM         83   1233 AM  68    1954  78      5       77
  AVERAGE         87                        84      3       82

PRECIPITATION (IN)
  TODAY            T             2.24 1966   0.21  -0.21     0.07
  MONTH TO DATE    0.58                      3.06  -2.48     5.37
  SINCE SEP 1      0.58                      3.06  -2.48     5.37
  SINCE JAN 1     16.45                     26.52 -10.07    21.97

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1      0                         0      0        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  TODAY           22                        19      3       17
  MONTH TO DATE  318                       295     23      272
  SINCE SEP 1    318                       295     23      272
  SINCE JAN 1   3791                      3765     26     3820
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     8.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77
 LOWEST     62
 AVERAGE    70

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


THE MARATHON CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   90        97      2023
 MINIMUM TEMPERATURE (F)   78        71      1952
                                             1965


SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE   710 AM EDT   SUNSET   728 PM EDT
SEPTEMBER 16 2026.....SUNRISE   711 AM EDT   SUNSET   727 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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