172
CDUS42 KKEY 100537
CLIEYW
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
137 AM EDT THU SEP 10 2026
...............................
..THE KEY WEST CLIMATE SUMMARY FOR SEPTEMBER 9 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 90 336 PM 93 1956 90 0 88
1957
MINIMUM 82 342 AM 71 1922 80 2 77
AVERAGE 86 84 2 83
PRECIPITATION (IN)
YESTERDAY 0.00 5.61 1919 0.24 -0.24 0.05
MONTH TO DATE 2.29 2.19 0.10 5.92
SINCE SEP 1 2.29 2.19 0.10 5.92
SINCE JAN 1 20.97 25.51 -4.54 30.12
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 20 1 18
MONTH TO DATE 189 180 9 162
SINCE SEP 1 189 180 9 162
SINCE JAN 1 3901 3616 285 3691
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (101)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (99)
AVERAGE WIND SPEED 8.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 66
AVERAGE 77
......................................................
THE KEY WEST CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 94 1877
MINIMUM TEMPERATURE (F) 79 71 1892
1895
SUNRISE AND SUNSET
SEPTEMBER 10 2026.....SUNRISE 711 AM EDT SUNSET 736 PM EDT
SEPTEMBER 11 2026.....SUNRISE 712 AM EDT SUNSET 735 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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