840  
CDUS44 KMRX 180821  
CLITYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
421 AM EDT FRI APR 18 2025  
   
...............................
 
 
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR APRIL 17 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 73 5:05 PM 90 1896 72 1 73  
MINIMUM 39 6:04 AM 24 1875 48 -9 59  
AVERAGE 56 60 -4 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.06 2003 0.15 -0.15 0.03  
MONTH TO DATE 2.15 2.68 -0.53 2.69  
SINCE MAR 1 6.57 7.57 -1.00 7.70  
SINCE JAN 1 13.98 17.14 -3.16 18.55  
 
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 9 6 3 0  
MONTH TO DATE 134 139 -5 107  
SINCE MAR 1 470 591 -121 427  
SINCE JUL 1 3086 3415 -329 2929  
 
COOLING  
YESTERDAY 0 1 -1 1  
MONTH TO DATE 47 15 32 29  
SINCE MAR 1 52 20 32 29  
SINCE JAN 1 53 20 33 30    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 1.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 6:00 AM  
LOWEST 23 5:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 90 1896  
MINIMUM TEMPERATURE (F) 49 24 1875  
 
SUNRISE AND SUNSET  
APRIL 18 2025.........SUNRISE 6:59 AM EDT SUNSET 8:12 PM EDT  
APRIL 19 2025.........SUNRISE 6:58 AM EDT SUNSET 8:13 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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