147  
CDUS44 KMRX 260840  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
440 AM EDT SAT APR 26 2025  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR APRIL 25 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 80 1:48 PM 87 1960 72 8 73  
MINIMUM 59 6:20 AM 31 1967 46 13 40  
1969  
AVERAGE 70 59 11 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.71 1.99 1975 0.13 0.58 0.00  
MONTH TO DATE 2.96 3.18 -0.22 2.43  
SINCE MAR 1 5.63 7.14 -1.51 5.98  
SINCE JAN 1 12.26 14.60 -2.34 13.92  
 
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 0 7 -7 8  
MONTH TO DATE 188 243 -55 203  
SINCE MAR 1 668 789 -121 615  
SINCE JUL 1 3714 4022 -308 3502  
 
COOLING  
YESTERDAY 5 1 4 0  
MONTH TO DATE 50 5 45 18  
SINCE MAR 1 50 6 44 18  
SINCE JAN 1 50 6 44 18    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 2.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 8:00 PM  
LOWEST 44 2:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 88 1948  
1960  
1986  
MINIMUM TEMPERATURE (F) 47 31 1972  
 
SUNRISE AND SUNSET  
APRIL 26 2025.........SUNRISE 6:42 AM EDT SUNSET 8:14 PM EDT  
APRIL 27 2025.........SUNRISE 6:40 AM EDT SUNSET 8:14 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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