442  
CDUS44 KMRX 210849  
CLICHA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
348 AM EST SAT DEC 21 2019  
 
   
...............................
 
 
   
..THE CHATTANOOGA ASOS CLIMATE SUMMARY FOR DECEMBER 20 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1879 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 53 356 PM 74 1978 51 2 48  
MINIMUM 27 751 AM 8 1901 32 -5 46  
AVERAGE 40 42 -2 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.66 1951 0.14 -0.14 0.83  
MONTH TO DATE 2.53 3.28 -0.75 5.36  
SINCE DEC 1 2.53 3.28 -0.75 5.36  
SINCE JAN 1 60.78 50.86 9.92 62.29  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.3 0.1 0.2 0.0  
SINCE DEC 1 0.3 0.1 0.2 0.0  
SINCE JUL 1 0.3 0.1 0.2 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 23 2 18  
MONTH TO DATE 359 430 -71 400  
SINCE DEC 1 359 430 -71 400  
SINCE JUL 1 899 1019 -120 1082  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 2413 1741 672 2277    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 2.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 300 AM  
LOWEST 41 300 PM  
AVERAGE 67  
   
......................................................
 
 
 
THE CHATTANOOGA ASOS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 72 1967  
MINIMUM TEMPERATURE (F) 32 5 1901  
 
 
SUNRISE AND SUNSET  
DECEMBER 21 2019......SUNRISE 745 AM EST SUNSET 533 PM EST  
DECEMBER 22 2019......SUNRISE 745 AM EST SUNSET 533 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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