439  
CDUS44 KMRX 120846  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
446 AM EDT THU SEP 12 2024  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 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 4:02 PM 93 2019 82 5 84  
MINIMUM 50 6:09 AM 42 1969 58 -8 61  
1993  
AVERAGE 69 70 -1 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.15 1989 0.09 -0.09 0.00  
MONTH TO DATE 0.02 1.01 -0.99 0.65  
SINCE SEP 1 0.02 1.01 -0.99 0.65  
SINCE JAN 1 30.44 32.72 -2.28 33.00  
 
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 0 0 0  
MONTH TO DATE 8 0 8 0  
SINCE SEP 1 8 0 8 0  
SINCE JUL 1 9 1 8 0  
 
COOLING  
YESTERDAY 4 6 -2 8  
MONTH TO DATE 47 75 -28 112  
SINCE SEP 1 47 75 -28 112  
SINCE JAN 1 1175 1017 158 989    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 4:00 AM  
LOWEST 29 2:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 94 2019  
MINIMUM TEMPERATURE (F) 58 42 1940  
1993  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2024.....SUNRISE 7:10 AM EDT SUNSET 7:41 PM EDT  
SEPTEMBER 13 2024.....SUNRISE 7:11 AM EDT SUNSET 7:39 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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