Climatological Report (Daily)
Issued by NWS
Issued by NWS
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181
CDUS42 KKEY 310530
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
130 AM EDT SUN AUG 31 2025
...................................
...THE MARATHON CLIMATE SUMMARY FOR AUGUST 30 2025...
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)
YESTERDAY
MAXIMUM 93 321 PM 94 1968 91 2 90
2004
2023
MINIMUM 76 748 PM 70 1988 79 -3 78
AVERAGE 85 85 0 84
PRECIPITATION (IN)
YESTERDAY 0.35 2.57 1960 0.20 0.15 0.05
MONTH TO DATE 3.00 5.11 -2.11 7.98
SINCE JUN 1 10.68 13.11 -2.43 18.69
SINCE JAN 1 16.12 23.25 -7.13 34.30
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 20 20 0 19
MONTH TO DATE 638 622 16 629
SINCE JUN 1 1845 1829 16 1884
SINCE JAN 1 3529 3452 77 3650
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 5.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90
LOWEST 63
AVERAGE 77
..........................................................
THE MARATHON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 91 95 2023
MINIMUM TEMPERATURE (F) 79 69 1955
1988
SUNRISE AND SUNSET
AUGUST 31 2025........SUNRISE 705 AM EDT SUNSET 743 PM EDT
SEPTEMBER 1 2025.....SUNRISE 706 AM EDT SUNSET 742 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$