876  
CDUS44 KMRX 290824  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
424 AM EDT FRI AUG 29 2025  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR AUGUST 28 2025
 
 
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)  
YESTERDAY  
MAXIMUM 77 4:06 PM 94 1948 85 -8 93  
1953  
MINIMUM 50 6:28 AM 48 1968 62 -12 62  
1986  
AVERAGE 64 73 -9 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.85 1949 0.10 -0.10 0.00  
MONTH TO DATE 5.06 3.48 1.58 4.58  
SINCE JUN 1 17.54 12.40 5.14 10.56  
SINCE JAN 1 34.43 31.43 3.00 29.76  
 
SNOWFALL (IN)  
YESTERDAY 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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 0 1 0  
MONTH TO DATE 7 0 7 1  
SINCE JUN 1 9 7 2 2  
SINCE JUL 1 7 0 7 1  
 
COOLING  
YESTERDAY 0 8 -8 13  
MONTH TO DATE 238 270 -32 271  
SINCE JUN 1 926 822 104 958  
SINCE JAN 1 1041 917 124 1084    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 1.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 4:00 AM  
LOWEST 35 5:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 96 1953  
MINIMUM TEMPERATURE (F) 62 43 1986  
 
SUNRISE AND SUNSET  
AUGUST 29 2025........SUNRISE 6:59 AM EDT SUNSET 8:01 PM EDT  
AUGUST 30 2025........SUNRISE 7:00 AM EDT SUNSET 8:00 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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