350  
CDUS44 KMRX 152115  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
515 PM EDT TUE APR 15 2025  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR APRIL 15 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 70 12:50 AM 85 1945 69 1 82  
MINIMUM 53 8:44 AM 25 1943 43 10 49  
AVERAGE 62 56 6 66  
 
PRECIPITATION (IN)  
TODAY 0.18 2.32 1956 0.13 0.05 0.00  
MONTH TO DATE 2.04 1.93 0.11 2.12  
SINCE MAR 1 4.71 5.89 -1.18 5.67  
SINCE JAN 1 11.34 13.35 -2.01 13.61  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 3 9 -6 0  
MONTH TO DATE 154 166 -12 138  
SINCE MAR 1 634 712 -78 550  
SINCE JUL 1 3680 3945 -265 3437  
 
COOLING  
TODAY 0 0 0 1  
MONTH TO DATE 32 0 32 8  
SINCE MAR 1 32 1 31 8  
SINCE JAN 1 32 1 31 8    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 14.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 6:00 AM  
LOWEST 23 2:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 87 2002  
MINIMUM TEMPERATURE (F) 43 25 2014  
 
SUNRISE AND SUNSET  
APRIL 15 2025.........SUNRISE 6:56 AM EDT SUNSET 8:04 PM EDT  
APRIL 16 2025.........SUNRISE 6:54 AM EDT SUNSET 8:05 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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