201  
CDUS44 KMRX 210909  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
409 AM EST FRI FEB 21 2025  
   
...............................  
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR FEBRUARY 20 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 23 4:28 PM 79 2018 52 -29 60  
MINIMUM 18 8:39 PM -13 2015 30 -12 21  
AVERAGE 21 41 -20 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 1.06 1967 0.14 -0.09 0.00  
MONTH TO DATE 4.09 2.71 1.38 2.23  
SINCE DEC 1 9.60 10.12 -0.52 9.54  
SINCE JAN 1 6.58 6.36 0.22 5.95  
 
SNOWFALL (IN)  
YESTERDAY 2.9 0.1 2.8 0.0  
MONTH TO DATE 3.9 2.2 1.7 0.0  
SINCE DEC 1 8.9 6.9 2.0 3.1  
SINCE JUL 1 9.3 7.2 2.1 3.1  
SNOW DEPTH 2  
 
DEGREE DAYS  
HEATING  
YESTERDAY 44 24 20 24  
MONTH TO DATE 420 517 -97 424  
SINCE DEC 1 2226 2198 28 2016  
SINCE JUL 1 2853 3051 -198 2728  
 
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 16 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SNOW  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 3:00 AM  
LOWEST 54 6:00 PM  
AVERAGE 71  
   
......................................................  
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 82 2018  
MINIMUM TEMPERATURE (F) 31 7 1958  
 
SUNRISE AND SUNSET  
FEBRUARY 21 2025......SUNRISE 7:10 AM EST SUNSET 6:17 PM EST  
FEBRUARY 22 2025......SUNRISE 7:09 AM EST SUNSET 6:18 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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