334  
CDUS44 KMRX 212114  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
514 PM EDT THU AUG 21 2025  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR AUGUST 21 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 87 3:36 PM 98 1983 86 1 79  
MINIMUM 67 6:38 AM 49 2024 63 4 49  
AVERAGE 77 74 3 64  
 
PRECIPITATION (IN)  
TODAY 0.00 1.36 2016 0.11 -0.11 0.00  
MONTH TO DATE 3.76 2.74 1.02 4.58  
SINCE JUN 1 16.24 11.66 4.58 10.56  
SINCE JAN 1 33.13 30.69 2.44 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 1  
MONTH TO DATE 0 0 0 1  
SINCE JUN 1 2 7 -5 2  
SINCE JUL 1 0 0 0 1  
 
COOLING  
TODAY 12 9 3 0  
MONTH TO DATE 205 208 -3 213  
SINCE JUN 1 893 760 133 900  
SINCE JAN 1 1008 855 153 1026    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 1.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 6:00 AM  
LOWEST 59 2:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 96 1983  
MINIMUM TEMPERATURE (F) 63 47 1956  
 
SUNRISE AND SUNSET  
AUGUST 21 2025........SUNRISE 6:52 AM EDT SUNSET 8:12 PM EDT  
AUGUST 22 2025........SUNRISE 6:53 AM EDT SUNSET 8:11 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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