978  
CDUS44 KMRX 130832  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
432 AM EDT SUN APR 13 2025  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR APRIL 12 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 53 5:01 PM 84 1945 68 -15 59  
MINIMUM 34 11:40 PM 25 1989 42 -8 45  
AVERAGE 44 55 -11 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.83 2020 0.13 -0.13 0.16  
MONTH TO DATE 1.86 1.54 0.32 2.11  
SINCE MAR 1 4.53 5.50 -0.97 5.66  
SINCE JAN 1 11.16 12.96 -1.80 13.60  
 
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 21 10 11 13  
MONTH TO DATE 127 138 -11 121  
SINCE MAR 1 607 684 -77 533  
SINCE JUL 1 3653 3917 -264 3420  
 
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 N (10)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 1:00 AM  
LOWEST 36 7:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 86 1981  
MINIMUM TEMPERATURE (F) 43 23 1940  
 
SUNRISE AND SUNSET  
APRIL 13 2025.........SUNRISE 6:58 AM EDT SUNSET 8:02 PM EDT  
APRIL 14 2025.........SUNRISE 6:57 AM EDT SUNSET 8:03 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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