740  
CDUS44 KMRX 210824  
CLITYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
424 AM EDT WED MAY 21 2025  
   
...............................
 
 
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR MAY 20 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 2:00 PM 93 1941 80 6 87  
MINIMUM 65 11:59 PM 34 1894 58 7 62  
AVERAGE 76 69 7 75  
 
PRECIPITATION (IN)  
YESTERDAY 1.14 2.20 1942 0.13 1.01 0.00  
MONTH TO DATE 6.06 2.75 3.31 5.15  
SINCE MAR 1 15.89 12.35 3.54 14.06  
SINCE JAN 1 23.30 21.92 1.38 24.91  
 
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 1 -1 0  
MONTH TO DATE 33 44 -11 11  
SINCE MAR 1 505 694 -189 485  
SINCE JUL 1 3121 3518 -397 2987  
 
COOLING  
YESTERDAY 11 5 6 10  
MONTH TO DATE 88 76 12 92  
SINCE MAR 1 196 117 79 145  
SINCE JAN 1 197 117 80 146    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 10:00 PM  
LOWEST 53 4:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 95 1941  
MINIMUM TEMPERATURE (F) 58 41 1894  
1954  
2002  
 
SUNRISE AND SUNSET  
MAY 21 2025...........SUNRISE 6:26 AM EDT SUNSET 8:39 PM EDT  
MAY 22 2025...........SUNRISE 6:26 AM EDT SUNSET 8:40 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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