430  
CDUS44 KMRX 190821  
CLICHA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
421 AM EDT TUE MAY 19 2020  
 
   
...............................
 
 
   
..THE CHATTANOOGA ASOS CLIMATE SUMMARY FOR MAY 18 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1879 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM MM MM 96 1962 80 MM 89  
MINIMUM MM MM 39 1973 58 MM 64  
AVERAGE MM 69 MM 77  
 
PRECIPITATION (IN)  
YESTERDAY MM 2.10 1930 0.13 MM 0.00  
MONTH TO DATE 2.51 2.51 0.00 5.84  
SINCE MAR 1 18.02 11.48 6.54 16.16  
SINCE JAN 1 35.44 21.23 14.21 34.47  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 MM 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 0.0 1.3 -1.3 0.0  
SINCE JUL 1 3.0 3.9 -0.9 0.1  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 1 MM 0  
MONTH TO DATE 68 31 37 12  
SINCE MAR 1 462 609 -147 533  
SINCE JUL 1 2524 3231 -707 2901  
 
COOLING  
YESTERDAY MM 5 MM 12  
MONTH TO DATE 52 64 -12 113  
SINCE MAR 1 106 110 -4 184  
SINCE JAN 1 106 110 -4 190    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER MM  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM 1100 PM  
LOWEST MM 300 PM  
AVERAGE MM  
   
......................................................
 
 
 
THE CHATTANOOGA ASOS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 96 1962  
MINIMUM TEMPERATURE (F) 58 40 1976  
 
 
SUNRISE AND SUNSET  
MAY 19 2020...........SUNRISE 634 AM EDT SUNSET 841 PM EDT  
MAY 20 2020...........SUNRISE 633 AM EDT SUNSET 842 PM EDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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