140  
CDUS44 KMRX 090819  
CLITYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
419 AM EDT FRI MAY 09 2025  
   
...............................
 
 
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR MAY 8 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 78 3:39 PM 93 1940 77 1 79  
MINIMUM 60 6:07 AM 34 1989 55 5 64  
AVERAGE 69 66 3 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 1.97 2024 0.14 -0.04 1.97  
MONTH TO DATE 1.92 1.15 0.77 3.44  
SINCE MAR 1 11.75 10.75 1.00 12.35  
SINCE JAN 1 19.16 20.32 -1.16 23.20  
 
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 0  
MONTH TO DATE 29 22 7 0  
SINCE MAR 1 501 672 -171 474  
SINCE JUL 1 3117 3496 -379 2976  
 
COOLING  
YESTERDAY 4 3 1 7  
MONTH TO DATE 16 23 -7 48  
SINCE MAR 1 124 64 60 101  
SINCE JAN 1 125 64 61 102    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1:00 AM  
LOWEST 60 2:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 1936  
MINIMUM TEMPERATURE (F) 55 36 1947  
2020  
 
SUNRISE AND SUNSET  
MAY 9 2025...........SUNRISE 6:35 AM EDT SUNSET 8:30 PM EDT  
MAY 10 2025...........SUNRISE 6:35 AM EDT SUNSET 8:31 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