848  
CDUS42 KKEY 250539  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST, FL  
1235 AM EST SAT JAN 25 2020  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JANUARY 24 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1950 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 73 402 PM 85 2019 75 -2 85  
MINIMUM 67 1153 PM 41 2003 65 2 72  
AVERAGE 70 70 0 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 3.12 1983 0.05 0.03 T  
MONTH TO DATE 0.45 1.19 -0.74 0.66  
SINCE DEC 1 5.04 3.21 1.83 1.59  
SINCE JAN 1 0.45 1.19 -0.74 0.66  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 15 33 -18 4  
SINCE DEC 1 15 53 -38 8  
SINCE JUL 1 15 54 -39 12  
 
COOLING  
YESTERDAY 5 6 -1 14  
MONTH TO DATE 218 144 74 216  
SINCE DEC 1 538 372 166 542  
SINCE JAN 1 218 144 74 216  
   
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93  
LOWEST 73  
AVERAGE 83  
   
......................................................
 
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 83 2007  
2002  
1972  
MINIMUM TEMPERATURE (F) 65 49 2003  
 
 
SUNRISE AND SUNSET  
 
JANUARY 25 2020.......SUNRISE 709 AM EST SUNSET 604 PM EST  
JANUARY 26 2020.......SUNRISE 709 AM EST SUNSET 605 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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