Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS42 KKEY 292018
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
418 PM EDT MON SEP 29 2025
...................................
...THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 29 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1950 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 87 300 PM 91 1972 89 -2 90
1992
2002
MINIMUM 80 351 AM 71 1951 78 2 84
2001
AVERAGE 84 83 1 87
PRECIPITATION (IN)
TODAY 0.00 3.58 2010 0.21 -0.21 0.00
MONTH TO DATE 9.26 6.15 3.11 3.03
SINCE SEP 1 9.26 6.15 3.11 3.03
SINCE JAN 1 25.86 29.61 -3.75 38.16
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 19 18 1 22
MONTH TO DATE 348 557 -209 615
SINCE SEP 1 348 557 -209 615
SINCE JAN 1 3896 4027 -131 4283
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 9.4
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 85
LOWEST 70
AVERAGE 78
..........................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 92 1958
MINIMUM TEMPERATURE (F) 78 70 1953
SUNRISE AND SUNSET
SEPTEMBER 29 2025.....SUNRISE 716 AM EDT SUNSET 713 PM EDT
SEPTEMBER 30 2025.....SUNRISE 716 AM EDT SUNSET 712 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$