920  
CDUS44 KMRX 192155  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
455 PM EST THU DEC 19 2024  
   
...............................  
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR DECEMBER 19 2024  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 44 3:55 PM 68 1939 49 -5 37  
MINIMUM 40 9:35 AM 4 1963 29 11 20  
AVERAGE 42 39 3 29  
 
PRECIPITATION (IN)  
TODAY 0.00 0.79 1967 0.11 -0.11 0.00  
MONTH TO DATE 1.82 2.41 -0.59 3.22  
SINCE DEC 1 1.82 2.41 -0.59 3.22  
SINCE JAN 1 41.79 42.62 -0.83 38.50  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 1.1 0.9 0.2 T  
SINCE DEC 1 1.1 0.9 0.2 T  
SINCE JUL 1 1.5 1.2 0.3 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 23 26 -3 36  
MONTH TO DATE 469 468 1 430  
SINCE DEC 1 469 468 1 430  
SINCE JUL 1 1096 1321 -225 1142  
 
COOLING  
TODAY 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 13 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 2:00 AM  
LOWEST 70 4:00 PM  
AVERAGE 78  
   
......................................................  
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 66 1978  
1987  
MINIMUM TEMPERATURE (F) 29 5 2004  
 
SUNRISE AND SUNSET  
DECEMBER 19 2024......SUNRISE 7:37 AM EST SUNSET 5:17 PM EST  
DECEMBER 20 2024......SUNRISE 7:37 AM EST SUNSET 5:18 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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