854  
CDUS44 KMRX 300812  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
412 AM EDT MON JUN 30 2025  
   
...............................  
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR JUNE 29 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 3:42 PM 102 2012 86 3 93  
MINIMUM 67 5:46 AM 50 1938 64 3 70  
AVERAGE 78 75 3 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.32 1984 0.13 -0.13 0.00  
MONTH TO DATE 4.39 3.78 0.61 0.90  
SINCE JUN 1 4.39 3.78 0.61 0.90  
SINCE JAN 1 21.28 22.81 -1.53 20.10  
 
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 13 10 3 17  
MONTH TO DATE 265 216 49 278  
SINCE JUN 1 265 216 49 278  
SINCE JAN 1 380 311 69 404    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 1.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 50 3:00 PM  
AVERAGE 75  
   
......................................................  
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 103 2012  
MINIMUM TEMPERATURE (F) 64 50 1940  
 
SUNRISE AND SUNSET  
JUNE 30 2025..........SUNRISE 6:15 AM EDT SUNSET 8:52 PM EDT  
JULY 1 2025..........SUNRISE 6:15 AM EDT SUNSET 8:52 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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