Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS42 KKEY 082146
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
546 PM EDT TUE SEP 08 2026
...................................
...THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 8 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 91 947 AM 95 2022 91 0 89
MINIMUM 81 630 AM 71 1956 79 2 79
AVERAGE 86 85 1 84
PRECIPITATION (IN)
TODAY 0.00 1.25 2007 0.21 -0.21 0.00
MONTH TO DATE 0.34 1.63 -1.29 3.33
SINCE SEP 1 0.34 1.63 -1.29 3.33
SINCE JAN 1 16.21 25.09 -8.88 19.93
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 21 20 1 19
MONTH TO DATE 170 160 10 149
SINCE SEP 1 170 160 10 149
SINCE JAN 1 3643 3630 13 3697
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 4.2
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 88
LOWEST 65
AVERAGE 77
..........................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 95 1987
MINIMUM TEMPERATURE (F) 79 71 1954
1988
1991
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.
$$