Climatological Report (Daily)
Issued by NWS

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912
CDUS42 KKEY 150528
CLIMTH

CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
128 AM EDT TUE SEP 15 2026

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

...THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 14 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         91    119 PM  95    2023  90      1       88
  MINIMUM         81    632 AM  67    1954  78      3       78
  AVERAGE         86                        84      2       83

PRECIPITATION (IN)
  YESTERDAY        0.00          1.80 1990   0.20  -0.20     0.00
  MONTH TO DATE    0.58                      2.85  -2.27     5.30
  SINCE SEP 1      0.58                      2.85  -2.27     5.30
  SINCE JAN 1     16.45                     26.31  -9.86    21.90

DEGREE DAYS
 HEATING
  YESTERDAY        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
  YESTERDAY       21                        19      2       18
  MONTH TO DATE  296                       276     20      255
  SINCE SEP 1    296                       276     20      255
  SINCE JAN 1   3769                      3746     23     3803
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED     3.0


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    88
 LOWEST     62
 AVERAGE    75

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


THE MARATHON CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   90        94      2022
                                             2023
 MINIMUM TEMPERATURE (F)   78        68      1954


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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