639  
CDUS44 KMRX 132110  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
510 PM EDT SUN JUL 13 2025  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR JULY 13 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1937 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 86 3:03 PM 96 1993 87 -1 96  
2024  
MINIMUM 67 6:07 AM 55 1973 65 2 64  
AVERAGE 77 76 1 80  
 
PRECIPITATION (IN)  
TODAY 0.00 1.64 1986 0.16 -0.16 0.00  
MONTH TO DATE 1.82 1.99 -0.17 0.36  
SINCE JUN 1 7.35 5.91 1.44 2.08  
SINCE JAN 1 24.24 24.94 -0.70 21.28  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 2 7 -5 1  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 12 11 1 15  
MONTH TO DATE 157 136 21 175  
SINCE JUN 1 435 361 74 467  
SINCE JAN 1 550 456 94 593    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 2.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 61 1:00 PM  
AVERAGE 81  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 98 1954  
MINIMUM TEMPERATURE (F) 65 51 2001  
 
SUNRISE AND SUNSET  
JULY 13 2025..........SUNRISE 6:22 AM EDT SUNSET 8:48 PM EDT  
JULY 14 2025..........SUNRISE 6:23 AM EDT SUNSET 8:48 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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