027  
CDUS44 KMRX 182123  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
523 PM EDT MON SEP 18 2023  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 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 76 2:27 PM 93 1954 80 -4 83  
MINIMUM 53 6:28 AM 39 1943 56 -3 56  
AVERAGE 65 68 -3 70  
 
PRECIPITATION (IN)  
TODAY 0.09 2.00 2012 0.09 0.00 0.00  
MONTH TO DATE 0.79 1.70 -0.91 1.38  
SINCE SEP 1 0.79 1.70 -0.91 1.38  
SINCE JAN 1 33.14 33.41 -0.27 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 1 -1 0  
MONTH TO DATE 0 6 -6 1  
SINCE SEP 1 0 6 -6 1  
SINCE JUL 1 0 7 -7 1  
 
COOLING  
TODAY 0 4 -4 5  
MONTH TO DATE 148 108 40 112  
SINCE SEP 1 148 108 40 112  
SINCE JAN 1 1025 1050 -25 1260    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 3.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 4:00 AM  
LOWEST 43 4:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 92 1954  
MINIMUM TEMPERATURE (F) 55 41 1984  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2023.....SUNRISE 7:14 AM EDT SUNSET 7:33 PM EDT  
SEPTEMBER 19 2023.....SUNRISE 7:15 AM EDT SUNSET 7:31 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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