742  
CDUS44 KMRX 200843  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
443 AM EDT FRI SEP 20 2024  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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 87 3:00 PM 92 1954 80 7 78  
MINIMUM 60 5:07 AM 41 1984 55 5 50  
AVERAGE 74 68 6 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 1.12 1953 0.10 -0.02 0.00  
MONTH TO DATE 0.99 1.80 -0.81 0.79  
SINCE SEP 1 0.99 1.80 -0.81 0.79  
SINCE JAN 1 31.41 33.51 -2.10 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 1 -1 1  
MONTH TO DATE 8 7 1 1  
SINCE SEP 1 8 7 1 1  
SINCE JUL 1 9 8 1 1  
 
COOLING  
YESTERDAY 9 4 5 0  
MONTH TO DATE 94 112 -18 148  
SINCE SEP 1 94 112 -18 148  
SINCE JAN 1 1222 1054 168 1025    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 2.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 3:00 AM  
LOWEST 51 3:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 91 1955  
1965  
MINIMUM TEMPERATURE (F) 55 42 1981  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2024.....SUNRISE 7:16 AM EDT SUNSET 7:29 PM EDT  
SEPTEMBER 21 2024.....SUNRISE 7:17 AM EDT SUNSET 7:27 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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