530   
CDUS44 KMRX 210819  
CLITYS  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
419 AM EDT MON JUL 21 2025  
   
...............................  
  
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR JULY 20 2025...  
  
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2025  
  
WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST        
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR       
                                                  NORMAL              
...............................................................  
  
TEMPERATURE (F)                                                            
 YESTERDAY                                                             
  MAXIMUM         91   5:02 PM  99    1874  89      2       87          
                                      1926                             
                                      1932                             
  MINIMUM         76   6:24 AM  60    1909  69      7       70          
                                      1984                             
                                      2009                             
  AVERAGE         84                        79      5       79       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        0.41          2.15 1921   0.18   0.23     0.74       
  MONTH TO DATE    2.36                      3.53  -1.17     1.45       
  SINCE JUN 1      4.85                      7.77  -2.92     5.99       
  SINCE JAN 1     29.72                     31.07  -1.35    34.27       
  
SNOWFALL (IN)                                                                
  YESTERDAY        0.0                       0.0    0.0      0.0        
  MONTH TO DATE    0.0                       0.0    0.0      0.0        
  SINCE JUN 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    0                         0      0        0          
  SINCE JUN 1      0                         2     -2        0          
  SINCE JUL 1      0                         0      0        0          
  
 COOLING                                                                
  YESTERDAY       19                        14      5       14          
  MONTH TO DATE  347                       273     74      339          
  SINCE JUN 1    732                       584    148      710          
  SINCE JAN 1    951                       768    183      939           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SW (240)         
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     S (200)         
  AVERAGE WIND SPEED     7.6                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.7                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  THUNDERSTORM                                                          
  RAIN                                                                  
  LIGHT RAIN                                                            
  FOG                                                                   
  HAZE                                                                  
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    94          12:00 AM                                        
 LOWEST     56           5:00 PM                                        
 AVERAGE    75                                                          
   
......................................................  
  
THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   89        98      1926                        
                                             1934                       
                                             1985                       
 MINIMUM TEMPERATURE (F)   69        59      1903                        
                                             2009                       
  
SUNRISE AND SUNSET                                                      
JULY 21 2025..........SUNRISE   6:36 AM EDT   SUNSET   8:49 PM EDT       
JULY 22 2025..........SUNRISE   6:36 AM EDT   SUNSET   8:48 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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