548  
CDUS44 KMRX 160837  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
437 AM EDT SAT AUG 16 2025  
   
...............................  
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR AUGUST 15 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 89 5:13 PM 98 1995 86 3 89  
MINIMUM 68 3:49 AM 50 1964 64 4 60  
AVERAGE 79 75 4 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.24 2017 0.12 -0.12 0.00  
MONTH TO DATE 3.76 2.06 1.70 2.33  
SINCE JUN 1 16.24 10.98 5.26 8.31  
SINCE JAN 1 33.13 30.01 3.12 27.51  
 
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 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  
YESTERDAY 14 10 4 10  
MONTH TO DATE 130 150 -20 170  
SINCE JUN 1 818 702 116 857  
SINCE JAN 1 933 797 136 983    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 1.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1:00 AM  
LOWEST 47 5:00 PM  
AVERAGE 74  
   
......................................................  
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 98 1954  
1995  
MINIMUM TEMPERATURE (F) 63 47 1979  
 
SUNRISE AND SUNSET  
AUGUST 16 2025........SUNRISE 6:48 AM EDT SUNSET 8:19 PM EDT  
AUGUST 17 2025........SUNRISE 6:49 AM EDT SUNSET 8:17 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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