169  
CDUS44 KMRX 010938  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
438 AM EST SAT MAR 01 2025  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR FEBRUARY 28 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 59 5:13 PM 76 2021 55 4 69  
MINIMUM 33 7:00 AM 12 1947 32 1 34  
AVERAGE 46 43 3 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.68 2011 0.14 -0.14 0.39  
MONTH TO DATE 4.14 3.81 0.33 4.22  
SINCE DEC 1 9.65 11.22 -1.57 11.53  
SINCE JAN 1 6.63 7.46 -0.83 7.94  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.1 -0.1 0.0  
MONTH TO DATE 2.5 3.0 -0.5 T  
SINCE DEC 1 7.5 7.7 -0.2 3.1  
SINCE JUL 1 7.9 8.0 -0.1 3.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 22 -3 13  
MONTH TO DATE 613 698 -85 553  
SINCE DEC 1 2419 2379 40 2145  
SINCE JUL 1 3046 3232 -186 2857  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 8.2  
 
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 72 7:00 AM  
LOWEST 27 5:00 PM  
AVERAGE 50  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 81 1997  
MINIMUM TEMPERATURE (F) 32 13 2002  
 
SUNRISE AND SUNSET  
MARCH 1 2025.........SUNRISE 7:00 AM EST SUNSET 6:24 PM EST  
MARCH 2 2025.........SUNRISE 6:58 AM EST SUNSET 6:25 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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