347  
CDUS44 KMRX 180928  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
428 AM EST WED DEC 18 2024  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1937 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 60 12:07 PM 69 2001 49 11 54  
MINIMUM 50 9:00 PM 6 1943 29 21 48  
1989  
AVERAGE 55 39 16 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.11 1961 0.12 -0.09 0.06  
MONTH TO DATE 1.49 2.18 -0.69 3.19  
SINCE DEC 1 1.49 2.18 -0.69 3.19  
SINCE JAN 1 41.46 42.39 -0.93 38.47  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 1.1 0.8 0.3 0.0  
SINCE DEC 1 1.1 0.8 0.3 0.0  
SINCE JUL 1 1.5 1.1 0.4 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 26 -16 14  
MONTH TO DATE 433 416 17 368  
SINCE DEC 1 433 416 17 368  
SINCE JUL 1 1060 1269 -209 1080  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1348 1104 244 1077    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 3.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 90 12:00 PM  
AVERAGE 95  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 73 1990  
MINIMUM TEMPERATURE (F) 29 4 1953  
 
SUNRISE AND SUNSET  
DECEMBER 18 2024......SUNRISE 7:36 AM EST SUNSET 5:17 PM EST  
DECEMBER 19 2024......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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