623  
CDUS44 KMRX 230814  
CLITYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
414 AM EDT TUE SEP 23 2025  
   
...............................  
 
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 22 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 86 2:41 PM 96 1931 81 5 93  
1955  
MINIMUM 63 6:51 AM 38 1983 59 4 66  
AVERAGE 75 70 5 80  
 
PRECIPITATION (IN)  
YESTERDAY T 3.16 1907 0.12 -0.12 0.00  
MONTH TO DATE 1.91 2.53 -0.62 0.81  
SINCE SEP 1 1.91 2.53 -0.62 0.81  
SINCE JAN 1 38.04 38.95 -0.91 42.64  
 
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 1 -1 0  
MONTH TO DATE 0 3 -3 2  
SINCE SEP 1 0 3 -3 2  
SINCE JUL 1 0 3 -3 2  
 
COOLING  
YESTERDAY 10 6 4 15  
MONTH TO DATE 145 185 -40 193  
SINCE SEP 1 145 185 -40 193  
SINCE JAN 1 1657 1492 165 1689    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1:00 AM  
LOWEST 49 1:00 PM  
AVERAGE 75  
   
......................................................  
 
THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 96 1931  
MINIMUM TEMPERATURE (F) 59 40 1983  
1999  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2025.....SUNRISE 7:25 AM EDT SUNSET 7:31 PM EDT  
SEPTEMBER 24 2025.....SUNRISE 7:26 AM EDT SUNSET 7:29 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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