797  
CDUS44 KMRX 170823  
CLITYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
423 AM EDT WED SEP 17 2025  
   
...............................  
 
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 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 83 4:03 PM 96 1927 83 0 87  
MINIMUM 63 6:37 AM 43 1985 61 2 62  
AVERAGE 73 72 1 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.46 1962 0.13 -0.13 0.00  
MONTH TO DATE 1.86 1.83 0.03 0.04  
SINCE SEP 1 1.86 1.83 0.03 0.04  
SINCE JAN 1 37.99 38.25 -0.26 41.87  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 8 7 1 10  
MONTH TO DATE 89 147 -58 134  
SINCE SEP 1 89 147 -58 134  
SINCE JAN 1 1601 1454 147 1630    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 7:00 AM  
LOWEST 51 1:00 PM  
AVERAGE 74  
   
......................................................  
 
THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 95 1927  
1931  
MINIMUM TEMPERATURE (F) 61 45 1985  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2025.....SUNRISE 7:20 AM EDT SUNSET 7:40 PM EDT  
SEPTEMBER 18 2025.....SUNRISE 7:21 AM EDT SUNSET 7:38 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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