289   
CDUS44 KMRX 232119  
CLITRI  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
519 PM EDT TUE SEP 23 2025  
   
...............................  
  
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 23 2025  
  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
  
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1937 TO 2025  
  
WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST        
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR       
                                                  NORMAL              
...............................................................  
  
TEMPERATURE (F)                                                            
 TODAY                                                                 
  MAXIMUM         81   2:10 PM  94    1955  79      2       88          
  MINIMUM         64   4:09 AM  35    1999  54     10       65          
  AVERAGE         73                        66      7       77       
  
PRECIPITATION (IN)                                                      
  TODAY            0.06          0.81 1975   0.09  -0.03     0.12       
  MONTH TO DATE    3.63                      2.17   1.46     1.11       
  SINCE SEP 1      3.63                      2.17   1.46     1.11       
  SINCE JAN 1     38.25                     33.88   4.37    31.53       
  
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   17                        14      3        8          
  SINCE SEP 1     17                        14      3        8          
  SINCE JUL 1     24                        15      9        9          
  
 COOLING                                                                
  TODAY            8                         3      5       12          
  MONTH TO DATE   59                       126    -67      133          
  SINCE SEP 1     59                       126    -67      133          
  SINCE JAN 1   1106                      1068     38     1261           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (240)         
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (250)         
  AVERAGE WIND SPEED     3.0                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.8                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED TODAY.                               
  HEAVY RAIN                                                            
  RAIN                                                                  
  LIGHT RAIN                                                            
  FOG                                                                   
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST   100          12:00 AM                                        
 LOWEST     60           2:00 PM                                        
 AVERAGE    80                                                          
   
......................................................  
  
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   78        92      2007                        
 MINIMUM TEMPERATURE (F)   54        34      1983                        
  
SUNRISE AND SUNSET                                                      
SEPTEMBER 23 2025.....SUNRISE   7:19 AM EDT   SUNSET   7:24 PM EDT       
SEPTEMBER 24 2025.....SUNRISE   7:19 AM EDT   SUNSET   7:23 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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