Climatological Report (Daily)
Issued by NWS
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112
CDUS42 KKEY 080534
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
134 AM EDT TUE SEP 08 2026
...................................
...THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 7 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 89 325 PM 95 2022 91 -2 88
MINIMUM 83 923 PM 71 1952 79 4 82
1955
1956
AVERAGE 86 85 1 85
PRECIPITATION (IN)
YESTERDAY 0.02 1.42 1966 0.21 -0.19 0.00
MONTH TO DATE 0.34 1.42 -1.08 3.33
SINCE SEP 1 0.34 1.42 -1.08 3.33
SINCE JAN 1 16.21 24.88 -8.67 19.93
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 20
MONTH TO DATE 149 140 9 130
SINCE SEP 1 149 140 9 130
SINCE JAN 1 3622 3610 12 3678
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82
LOWEST 63
AVERAGE 73
..........................................................
THE MARATHON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 91 95 2022
MINIMUM TEMPERATURE (F) 79 71 1956
SUNRISE AND SUNSET
SEPTEMBER 8 2026.....SUNRISE 708 AM EDT SUNSET 735 PM EDT
SEPTEMBER 9 2026.....SUNRISE 708 AM EDT SUNSET 734 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$