863  
CDUS44 KMRX 132113  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
513 PM EDT SUN APR 13 2025  
   
...............................  
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR APRIL 13 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 63 3:21 PM 86 1981 69 -6 69  
MINIMUM 28 5:57 AM 23 1940 43 -15 38  
AVERAGE 46 56 -10 54  
 
PRECIPITATION (IN)  
TODAY 0.00 2.23 2004 0.13 -0.13 0.01  
MONTH TO DATE 1.86 1.67 0.19 2.12  
SINCE MAR 1 4.53 5.63 -1.10 5.67  
SINCE JAN 1 11.16 13.09 -1.93 13.61  
 
SNOWFALL (IN)  
TODAY 0.0 0.1 -0.1 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 19 10 9 11  
MONTH TO DATE 146 148 -2 132  
SINCE MAR 1 626 694 -68 544  
SINCE JUL 1 3672 3927 -255 3431  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 32 0 32 7  
SINCE MAR 1 32 1 31 7  
SINCE JAN 1 32 1 31 7    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 2.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 35 2:00 PM  
AVERAGE 66  
   
......................................................  
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 85 1938  
MINIMUM TEMPERATURE (F) 43 24 1943  
 
SUNRISE AND SUNSET  
APRIL 13 2025.........SUNRISE 6:58 AM EDT SUNSET 8:02 PM EDT  
APRIL 14 2025.........SUNRISE 6:57 AM EDT SUNSET 8:03 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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