Climatological Report (Daily)
Issued by NWS
Issued by NWS
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818
CDUS42 KKEY 102029
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
429 PM EDT SUN AUG 10 2025
...................................
...THE MARATHON CLIMATE SUMMARY FOR AUGUST 10 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 87 249 PM 98 1987 92 -5 91
MINIMUM 80 103 AM 71 1953 80 0 81
AVERAGE 84 86 -2 86
PRECIPITATION (IN)
TODAY 0.00 2.86 2010 0.16 -0.16 0.00
MONTH TO DATE 2.08 1.55 0.53 1.00
SINCE JUN 1 9.76 9.55 0.21 11.71
SINCE JAN 1 15.20 19.69 -4.49 27.32
DEGREE DAYS
HEATING
TODAY 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
TODAY 19 21 -2 21
MONTH TO DATE 207 210 -3 212
SINCE JUN 1 1414 1417 -3 1467
SINCE JAN 1 3098 3040 58 3233
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 7.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85
LOWEST 68
AVERAGE 77
..........................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 92 97 1985
1987
MINIMUM TEMPERATURE (F) 80 70 1953
SUNRISE AND SUNSET
AUGUST 10 2025........SUNRISE 657 AM EDT SUNSET 802 PM EDT
AUGUST 11 2025........SUNRISE 657 AM EDT SUNSET 801 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$