408  
CDUS44 KMRX 292137  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
537 PM EDT FRI AUG 29 2025  
   
...............................  
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR AUGUST 29 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 80 3:45 PM 96 1953 85 -5 95  
MINIMUM 49 4:58 AM 43 1986 62 -13 64  
AVERAGE 65 73 -8 80  
 
PRECIPITATION (IN)  
TODAY 0.00 0.79 1950 0.09 -0.09 0.00  
MONTH TO DATE 5.06 3.57 1.49 4.58  
SINCE JUN 1 17.54 12.49 5.05 10.56  
SINCE JAN 1 34.43 31.52 2.91 29.76  
 
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 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 7 0 7 1  
SINCE JUN 1 9 7 2 2  
SINCE JUL 1 7 0 7 1  
 
COOLING  
TODAY 0 8 -8 15  
MONTH TO DATE 238 278 -40 286  
SINCE JUN 1 926 830 96 973  
SINCE JAN 1 1041 925 116 1099    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 1.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 43 3:00 PM  
AVERAGE 72  
   
......................................................  
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 95 1953  
2024  
MINIMUM TEMPERATURE (F) 61 46 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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