659  
CDUS42 KKEY 202124  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST, FL  
424 PM EST SUN JAN 20 2019  
 
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JANUARY 20 2019
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1951 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 78 721 AM 87 1987 75 3 71  
MINIMUM 70 1042 AM 41 1971 64 6 62  
AVERAGE 74 70 4 67  
 
PRECIPITATION (IN)  
TODAY 0.61 0.80 1996 0.04 0.57 0.00  
MONTH TO DATE 0.66 1.00 -0.34 0.33  
SINCE DEC 1 1.59 3.02 -1.43 1.37  
SINCE JAN 1 0.66 1.00 -0.34 0.33  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 29 -29 43  
SINCE DEC 1 4 49 -45 61  
SINCE JUL 1 8 50 -42 61  
 
COOLING  
TODAY 9 6 3 2  
MONTH TO DATE 184 120 64 56  
SINCE DEC 1 510 348 162 334  
SINCE JAN 1 184 120 64 56    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 13.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 57  
AVERAGE 74  
   
......................................................
 
 
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 86 2017  
MINIMUM TEMPERATURE (F) 64 47 1971  
 
 
SUNRISE AND SUNSET  
JANUARY 20 2019.......SUNRISE 710 AM EST SUNSET 601 PM EST  
JANUARY 21 2019.......SUNRISE 710 AM EST SUNSET 601 PM EST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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