635  
CDUS44 KMRX 140841  
CLITYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
441 AM EDT WED MAY 14 2025  
   
...............................
 
 
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR MAY 13 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 74 4:11 PM 93 1881 78 -4 68  
MINIMUM 60 5:26 AM 38 1989 56 4 54  
AVERAGE 67 67 0 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.24 2.95 1918 0.13 0.11 0.00  
MONTH TO DATE 4.09 1.83 2.26 4.57  
SINCE MAR 1 13.92 11.43 2.49 13.48  
SINCE JAN 1 21.33 21.00 0.33 24.33  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 T 0.9 -0.9 0.0  
SINCE JUL 1 7.5 4.6 2.9 8.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 4  
MONTH TO DATE 33 32 1 10  
SINCE MAR 1 505 682 -177 484  
SINCE JUL 1 3121 3506 -385 2986  
 
COOLING  
YESTERDAY 2 4 -2 0  
MONTH TO DATE 25 43 -18 53  
SINCE MAR 1 133 84 49 106  
SINCE JAN 1 134 84 50 107    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 64 4:00 PM  
AVERAGE 82  
   
......................................................
 
 
THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 91 1881  
1916  
2018  
MINIMUM TEMPERATURE (F) 56 39 1917  
 
SUNRISE AND SUNSET  
MAY 14 2025...........SUNRISE 6:31 AM EDT SUNSET 8:34 PM EDT  
MAY 15 2025...........SUNRISE 6:30 AM EDT SUNSET 8:35 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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