416  
CDUS44 KMRX 120828  
CLITYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
428 AM EDT MON MAY 12 2025  
   
...............................  
 
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR MAY 11 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 82 3:01 PM 92 1896 78 4 73  
MINIMUM 57 6:27 AM 39 1885 56 1 49  
1997  
AVERAGE 70 67 3 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.34 2.12 2019 0.13 0.21 0.00  
MONTH TO DATE 2.26 1.56 0.70 4.57  
SINCE MAR 1 12.09 11.16 0.93 13.48  
SINCE JAN 1 19.50 20.73 -1.23 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 28 5 6  
SINCE MAR 1 505 678 -173 480  
SINCE JUL 1 3121 3502 -381 2982  
 
COOLING  
YESTERDAY 5 4 1 0  
MONTH TO DATE 22 35 -13 53  
SINCE MAR 1 130 76 54 106  
SINCE JAN 1 131 76 55 107    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 10:00 PM  
LOWEST 47 3:00 PM  
AVERAGE 72  
   
......................................................  
 
THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 91 1881  
MINIMUM TEMPERATURE (F) 56 39 1989  
2020  
 
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.  
 
 
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