284  
CDUS44 KMRX 212122  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
522 PM EDT SAT SEP 21 2024  
   
...............................  
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 2024  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 87 2:18 PM 93 1955 79 8 81  
MINIMUM 58 6:26 AM 39 1938 55 3 54  
1956  
2006  
AVERAGE 73 67 6 68  
 
PRECIPITATION (IN)  
TODAY 0.00 1.00 1967 0.09 -0.09 0.00  
1974  
MONTH TO DATE 0.99 1.98 -0.99 0.79  
SINCE SEP 1 0.99 1.98 -0.99 0.79  
SINCE JAN 1 31.41 33.69 -2.28 33.14  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 2 -2 0  
MONTH TO DATE 8 10 -2 1  
SINCE SEP 1 8 10 -2 1  
SINCE JUL 1 9 11 -2 1  
 
COOLING  
TODAY 8 4 4 3  
MONTH TO DATE 111 120 -9 152  
SINCE SEP 1 111 120 -9 152  
SINCE JAN 1 1239 1062 177 1029    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 2.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 45 2:00 PM  
AVERAGE 73  
   
......................................................  
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 90 1965  
2005  
2007  
MINIMUM TEMPERATURE (F) 54 39 1983  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2024.....SUNRISE 7:17 AM EDT SUNSET 7:27 PM EDT  
SEPTEMBER 22 2024.....SUNRISE 7:18 AM EDT SUNSET 7:26 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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