140  
CDUS44 KMRX 212128  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
528 PM EDT MON MAY 21 2018  
 
   
...............................
 
 
   
..THE TRI-CITIES ASOS CLIMATE SUMMARY FOR MAY 21 2018
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1937 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 81 1224 PM 93 1941 77 4 72  
MINIMUM 63 542 AM 37 2002 53 10 61  
AVERAGE 72 65 7 67  
 
PRECIPITATION (IN)  
TODAY T 1.10 1947 0.13 -0.13 0.87  
MONTH TO DATE 4.41 2.54 1.87 4.32  
SINCE MAR 1 11.79 9.31 2.48 14.05  
SINCE JAN 1 20.52 16.13 4.39 18.73  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 2.4 2.5 -0.1 0.3  
SINCE JUL 1 7.1 13.3 -6.2 4.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 0  
MONTH TO DATE 17 90 -73 67  
SINCE MAR 1 994 962 32 732  
SINCE JUL 1 4048 4344 -296 3299  
 
COOLING  
TODAY 7 3 4 2  
MONTH TO DATE 85 31 54 60  
SINCE MAR 1 88 42 46 92  
SINCE JAN 1 97 42 55 92    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 0.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 67 1200 PM  
AVERAGE 84  
   
......................................................
 
 
 
THE TRI-CITIES ASOS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 1941  
MINIMUM TEMPERATURE (F) 53 31 2002  
 
 
SUNRISE AND SUNSET  
MAY 21 2018...........SUNRISE 618 AM EDT SUNSET 834 PM EDT  
MAY 22 2018...........SUNRISE 618 AM EDT SUNSET 835 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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