Climatological Report (Daily)
Issued by NWS
Issued by NWS
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534
CDUS42 KKEY 152136
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
536 PM EDT TUE SEP 15 2026
...................................
...THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 15 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 91 216 PM 94 2022 90 1 86
2023
MINIMUM 83 1233 AM 68 1954 78 5 77
AVERAGE 87 84 3 82
PRECIPITATION (IN)
TODAY T 2.24 1966 0.21 -0.21 0.07
MONTH TO DATE 0.58 3.06 -2.48 5.37
SINCE SEP 1 0.58 3.06 -2.48 5.37
SINCE JAN 1 16.45 26.52 -10.07 21.97
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 22 19 3 17
MONTH TO DATE 318 295 23 272
SINCE SEP 1 318 295 23 272
SINCE JAN 1 3791 3765 26 3820
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 8.5
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 77
LOWEST 62
AVERAGE 70
..........................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 97 2023
MINIMUM TEMPERATURE (F) 78 71 1952
1965
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.
$$