Climatological Report (Daily)
Issued by NWS Key West, FL

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180
CDUS42 KKEY 210527
CLIEYW

CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
127 AM EDT MON SEP 21 2026

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

...THE KEY WEST CLIMATE SUMMARY FOR SEPTEMBER 20 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         87    215 PM  95    2018  89     -2       89
  MINIMUM         76    239 AM  70    1890  79     -3       80
  AVERAGE         82                        84     -2       85

PRECIPITATION (IN)
  YESTERDAY        0.05          4.86 1963   0.26  -0.21     0.00
  MONTH TO DATE    5.78                      4.93   0.85     8.54
  SINCE SEP 1      5.78                      4.93   0.85     8.54
  SINCE JAN 1     24.46                     28.25  -3.79    32.74

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       17                        19     -2       20
  MONTH TO DATE  402                       389     13      367
  SINCE SEP 1    402                       389     13      367
  SINCE JAN 1   4114                      3825    289     3896
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     7.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90
 LOWEST     68
 AVERAGE    79

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


THE KEY WEST CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   89        93      2020
 MINIMUM TEMPERATURE (F)   79        70      1890


SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE   715 AM EDT   SUNSET   724 PM EDT
SEPTEMBER 22 2026.....SUNRISE   716 AM EDT   SUNSET   723 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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