102  
CDUS44 KMRX 190938  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
438 AM EST TUE DEC 19 2023  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR DECEMBER 18 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1937 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 51 12:00 AM 73 1990 49 2 38  
MINIMUM 27 11:59 PM 4 1953 29 -2 22  
AVERAGE 39 39 0 30  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.27 2009 0.12 -0.09 0.00  
MONTH TO DATE 3.22 2.30 0.92 3.09  
SINCE DEC 1 3.22 2.30 0.92 3.09  
SINCE JAN 1 38.50 42.51 -4.01 41.62  
 
SNOWFALL (IN)  
YESTERDAY T 0.1 -0.1 0.0  
MONTH TO DATE T 0.9 -0.9 0.0  
SINCE DEC 1 T 0.9 -0.9 0.0  
SINCE JUL 1 T 1.2 -1.2 0.0  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 26 0 35  
MONTH TO DATE 394 442 -48 360  
SINCE DEC 1 394 442 -48 360  
SINCE JUL 1 1106 1295 -189 1214  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1077 1104 -27 1294    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 14.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 2:00 AM  
LOWEST 49 2:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 68 1939  
MINIMUM TEMPERATURE (F) 29 4 1963  
 
SUNRISE AND SUNSET  
DECEMBER 19 2023......SUNRISE 7:36 AM EST SUNSET 5:17 PM EST  
DECEMBER 20 2023......SUNRISE 7:37 AM EST SUNSET 5:17 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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