237  
CDUS44 KMRX 100840  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
440 AM EDT THU APR 10 2025  
   
...............................  
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR APRIL 9 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1937 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 64 5:30 PM 84 2015 67 -3 59  
MINIMUM 28 6:29 AM 22 2007 41 -13 50  
AVERAGE 46 54 -8 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.71 1961 0.13 -0.13 0.37  
MONTH TO DATE 1.38 1.15 0.23 1.07  
SINCE MAR 1 4.05 5.11 -1.06 4.62  
SINCE JAN 1 10.68 12.57 -1.89 12.56  
 
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 1.1 -1.1 0.0  
SINCE JUL 1 7.9 9.1 -1.2 3.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 11 8 10  
MONTH TO DATE 73 108 -35 106  
SINCE MAR 1 553 654 -101 518  
SINCE JUL 1 3599 3887 -288 3405  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 32 0 32 7  
SINCE MAR 1 32 1 31 7  
SINCE JAN 1 32 1 31 7    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 2.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 6:00 AM  
LOWEST 25 6:00 PM  
AVERAGE 55  
   
......................................................  
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 89 1995  
MINIMUM TEMPERATURE (F) 42 22 1985  
 
SUNRISE AND SUNSET  
APRIL 10 2025.........SUNRISE 7:02 AM EDT SUNSET 8:00 PM EDT  
APRIL 11 2025.........SUNRISE 7:01 AM EDT SUNSET 8:01 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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