392  
CDUS44 KMRX 250812  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
412 AM EDT WED SEP 25 2024  
   
...............................  
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 24 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1937 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84 12:18 PM 92 2007 78 6 73  
MINIMUM 66 6:32 AM 34 1983 54 12 63  
AVERAGE 75 66 9 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.67 0.81 1965 0.10 0.57 0.00  
MONTH TO DATE 1.78 2.27 -0.49 0.79  
SINCE SEP 1 1.78 2.27 -0.49 0.79  
SINCE JAN 1 32.20 33.98 -1.78 33.14  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 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 2 -2 0  
MONTH TO DATE 8 16 -8 1  
SINCE SEP 1 8 16 -8 1  
SINCE JUL 1 9 17 -8 1  
 
COOLING  
YESTERDAY 10 3 7 3  
MONTH TO DATE 143 129 14 157  
SINCE SEP 1 143 129 14 157  
SINCE JAN 1 1271 1071 200 1034    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 3:00 AM  
LOWEST 67 5:00 PM  
AVERAGE 84  
   
......................................................  
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 91 2007  
MINIMUM TEMPERATURE (F) 53 38 1950  
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2024.....SUNRISE 7:20 AM EDT SUNSET 7:21 PM EDT  
SEPTEMBER 26 2024.....SUNRISE 7:21 AM EDT SUNSET 7:20 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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