443  
CDUS44 KMRX 202137  
CLITYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
537 PM EDT SUN APR 20 2025  
   
...............................  
 
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR APRIL 20 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 85 2:05 PM 87 2002 73 12 70  
MINIMUM 59 6:32 AM 25 1983 49 10 54  
AVERAGE 72 61 11 62  
 
PRECIPITATION (IN)  
TODAY 0.00 1.99 1871 0.16 -0.16 0.05  
MONTH TO DATE 2.15 3.15 -1.00 3.03  
SINCE MAR 1 6.57 8.04 -1.47 8.04  
SINCE JAN 1 13.98 17.61 -3.63 18.89  
 
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 5 -5 3  
MONTH TO DATE 134 156 -22 110  
SINCE MAR 1 470 608 -138 430  
SINCE JUL 1 3086 3432 -346 2932  
 
COOLING  
TODAY 7 1 6 0  
MONTH TO DATE 66 18 48 40  
SINCE MAR 1 71 23 48 40  
SINCE JAN 1 72 23 49 41    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 7:00 AM  
LOWEST 43 3:00 PM  
AVERAGE 65  
   
......................................................  
 
THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 88 1946  
MINIMUM TEMPERATURE (F) 50 27 1904  
1983  
 
SUNRISE AND SUNSET  
APRIL 20 2025.........SUNRISE 6:56 AM EDT SUNSET 8:14 PM EDT  
APRIL 21 2025.........SUNRISE 6:55 AM EDT SUNSET 8:15 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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