705  
CDUS44 KMRX 190809  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
409 AM EDT SAT APR 19 2025  
   
...............................  
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR APRIL 18 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 84 4:21 PM 87 2002 70 14 82  
MINIMUM 44 6:33 AM 29 1951 44 0 57  
AVERAGE 64 57 7 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.95 1981 0.12 -0.12 0.00  
MONTH TO DATE 2.04 2.31 -0.27 2.12  
SINCE MAR 1 4.71 6.27 -1.56 5.67  
SINCE JAN 1 11.34 13.73 -2.39 13.61  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE MAR 1 T 1.2 -1.2 0.0  
SINCE JUL 1 7.9 9.2 -1.3 3.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 8 -7 0  
MONTH TO DATE 185 191 -6 138  
SINCE MAR 1 665 737 -72 550  
SINCE JUL 1 3711 3970 -259 3437  
 
COOLING  
YESTERDAY 0 0 0 5  
MONTH TO DATE 32 0 32 17  
SINCE MAR 1 32 1 31 17  
SINCE JAN 1 32 1 31 17    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 7:00 AM  
LOWEST 24 3:00 PM  
AVERAGE 52  
   
......................................................  
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 90 1941  
MINIMUM TEMPERATURE (F) 44 25 1983  
 
SUNRISE AND SUNSET  
APRIL 19 2025.........SUNRISE 6:50 AM EDT SUNSET 8:08 PM EDT  
APRIL 20 2025.........SUNRISE 6:49 AM EDT SUNSET 8:08 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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