006  
CDUS44 KMRX 122158  
CLITYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
558 PM EDT MON MAY 12 2025  
   
...............................
 
 
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR MAY 12 2025...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 67 3:53 PM 91 1881 78 -11 78  
MINIMUM 62 7:01 AM 39 1989 56 6 51  
2020  
AVERAGE 65 67 -2 65  
 
PRECIPITATION (IN)  
TODAY 1.46 1.67 1971 0.14 1.32 0.00  
MONTH TO DATE 3.72 1.70 2.02 4.57  
SINCE MAR 1 13.55 11.30 2.25 13.48  
SINCE JAN 1 20.96 20.87 0.09 24.33  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 2 -2 0  
MONTH TO DATE 33 30 3 6  
SINCE MAR 1 505 680 -175 480  
SINCE JUL 1 3121 3504 -383 2982  
 
COOLING  
TODAY 0 4 -4 0  
MONTH TO DATE 22 39 -17 53  
SINCE MAR 1 130 80 50 106  
SINCE JAN 1 131 80 51 107    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 81 5:00 PM  
AVERAGE 89  
   
......................................................
 
 
THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 93 1881  
MINIMUM TEMPERATURE (F) 56 38 1989  
 
SUNRISE AND SUNSET  
MAY 12 2025...........SUNRISE 6:33 AM EDT SUNSET 8:32 PM EDT  
MAY 13 2025...........SUNRISE 6:32 AM EDT SUNSET 8:33 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TN Page
The Nexlab VA Page
The Nexlab NC Page Main Text Page