418  
CDUS44 KMRX 200815  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
415 AM EDT FRI JUN 20 2025  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR JUNE 19 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 82 5:12 PM 95 1944 85 -3 89  
MINIMUM 66 11:59 PM 48 1965 62 4 63  
AVERAGE 74 73 1 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.52 1.06 1978 0.14 0.38 0.00  
MONTH TO DATE 2.84 2.44 0.40 0.80  
SINCE JUN 1 2.84 2.44 0.40 0.80  
SINCE JAN 1 19.73 21.47 -1.74 20.00  
 
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 7.9 9.2 -1.3 3.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 2 4 -2 1  
SINCE JUN 1 2 4 -2 1  
SINCE JUL 1 3800 4146 -346 3540  
 
COOLING  
YESTERDAY 9 8 1 11  
MONTH TO DATE 135 123 12 144  
SINCE JUN 1 135 123 12 144  
SINCE JAN 1 250 218 32 270    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 56 4:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 95 1952  
MINIMUM TEMPERATURE (F) 62 48 2008  
 
SUNRISE AND SUNSET  
JUNE 20 2025..........SUNRISE 6:12 AM EDT SUNSET 8:51 PM EDT  
JUNE 21 2025..........SUNRISE 6:12 AM EDT SUNSET 8:51 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TN Page
The Nexlab VA Page
The Nexlab NC Page Main Text Page