861  
CDUS44 KMRX 152159  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
459 PM EST SUN DEC 15 2024  
   
...............................  
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 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 52 3:55 PM 75 1971 49 3 60  
MINIMUM 44 2:25 AM 5 2010 29 15 23  
AVERAGE 48 39 9 42  
 
PRECIPITATION (IN)  
TODAY 0.14 0.82 1972 0.13 0.01 0.00  
MONTH TO DATE 1.36 1.94 -0.58 3.13  
SINCE DEC 1 1.36 1.94 -0.58 3.13  
SINCE JAN 1 41.33 42.15 -0.82 38.41  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 1.1 0.7 0.4 0.0  
SINCE DEC 1 1.1 0.7 0.4 0.0  
SINCE JUL 1 1.5 1.0 0.5 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 17 26 -9 23  
MONTH TO DATE 410 364 46 332  
SINCE DEC 1 410 364 46 332  
SINCE JUL 1 1037 1217 -180 1044  
 
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 15 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 4:00 PM  
LOWEST 52 12:00 AM  
AVERAGE 71  
   
......................................................  
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 72 2015  
MINIMUM TEMPERATURE (F) 29 3 1989  
 
SUNRISE AND SUNSET  
DECEMBER 15 2024......SUNRISE 7:34 AM EST SUNSET 5:16 PM EST  
DECEMBER 16 2024......SUNRISE 7:35 AM EST SUNSET 5:16 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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