Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS42 KKEY 280530
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
130 AM EDT MON SEP 28 2026
...................................
...THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 27 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 86 1056 AM 96 1987 89 -3 90
MINIMUM 79 639 AM 71 1957 78 1 81
1959
2016
AVERAGE 83 84 -1 86
PRECIPITATION (IN)
YESTERDAY 0.00 3.40 1959 0.19 -0.19 T
MONTH TO DATE 2.21 5.73 -3.52 8.43
SINCE SEP 1 2.21 5.73 -3.52 8.43
SINCE JAN 1 18.08 29.19 -11.11 25.03
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 18 18 0 21
MONTH TO DATE 533 521 12 492
SINCE SEP 1 533 521 12 492
SINCE JAN 1 4006 3991 15 4040
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 4.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72
LOWEST 59
AVERAGE 66
..........................................................
THE MARATHON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 95 2006
MINIMUM TEMPERATURE (F) 78 66 1954
SUNRISE AND SUNSET
SEPTEMBER 28 2026.....SUNRISE 715 AM EDT SUNSET 714 PM EDT
SEPTEMBER 29 2026.....SUNRISE 716 AM EDT SUNSET 713 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$