718  
CDUS44 KMRX 120918  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
418 AM EST TUE DEC 12 2023  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 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 41 3:52 PM 74 2021 50 -9 53  
MINIMUM 24 11:44 PM 4 1937 30 -6 42  
1962  
AVERAGE 33 40 -7 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.28 1961 0.14 -0.14 0.03  
MONTH TO DATE 3.13 1.42 1.71 2.02  
SINCE DEC 1 3.13 1.42 1.71 2.02  
SINCE JAN 1 38.41 41.63 -3.22 40.55  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.5 -0.5 0.0  
SINCE DEC 1 0.0 0.5 -0.5 0.0  
SINCE JUL 1 0.0 0.8 -0.8 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 25 7 17  
MONTH TO DATE 227 263 -36 189  
SINCE DEC 1 227 263 -36 189  
SINCE JUL 1 939 1116 -177 1043  
 
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 12 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 10:00 PM  
LOWEST 55 4:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 75 1949  
MINIMUM TEMPERATURE (F) 30 -5 1962  
 
SUNRISE AND SUNSET  
DECEMBER 12 2023......SUNRISE 7:32 AM EST SUNSET 5:15 PM EST  
DECEMBER 13 2023......SUNRISE 7:33 AM EST SUNSET 5:15 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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