363  
CDUS44 KMRX 212126  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
526 PM EDT THU SEP 21 2023  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1937 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 81 3:15 PM 93 1955 79 2 90  
MINIMUM 54 6:50 AM 39 1938 55 -1 55  
1956  
2006  
AVERAGE 68 67 1 73  
 
PRECIPITATION (IN)  
TODAY 0.00 1.00 1967 0.09 -0.09 0.00  
1974  
MONTH TO DATE 0.79 1.98 -1.19 1.38  
SINCE SEP 1 0.79 1.98 -1.19 1.38  
SINCE JAN 1 33.14 33.69 -0.55 33.63  
 
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 1 10 -9 1  
SINCE SEP 1 1 10 -9 1  
SINCE JUL 1 1 11 -10 1  
 
COOLING  
TODAY 3 4 -1 8  
MONTH TO DATE 152 120 32 134  
SINCE SEP 1 152 120 32 134  
SINCE JAN 1 1029 1062 -33 1282    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 1.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 6:00 AM  
LOWEST 39 3:00 PM  
AVERAGE 70  
   
......................................................
 
 
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 2023.....SUNRISE 7:17 AM EDT SUNSET 7:28 PM EDT  
SEPTEMBER 22 2023.....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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