665  
CDUS44 KMRX 042143  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
543 PM EDT SUN MAY 04 2025  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR MAY 4 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 66 3:59 PM 88 1938 75 -9 74  
MINIMUM 52 6:00 AM 30 1986 49 3 60  
AVERAGE 59 62 -3 67  
 
PRECIPITATION (IN)  
TODAY 0.00 1.18 1948 0.11 -0.11 0.24  
MONTH TO DATE 0.37 0.47 -0.10 0.24  
SINCE MAR 1 6.12 8.22 -2.10 6.57  
SINCE JAN 1 12.75 15.68 -2.93 14.51  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 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 6 5 1 0  
MONTH TO DATE 9 20 -11 0  
SINCE MAR 1 682 838 -156 623  
SINCE JUL 1 3728 4071 -343 3510  
 
COOLING  
TODAY 0 1 -1 2  
MONTH TO DATE 8 4 4 11  
SINCE MAR 1 67 18 49 35  
SINCE JAN 1 67 18 49 35    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 2:00 AM  
LOWEST 45 1:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 89 1949  
MINIMUM TEMPERATURE (F) 49 30 1940  
 
SUNRISE AND SUNSET  
MAY 4 2025...........SUNRISE 6:33 AM EDT SUNSET 8:21 PM EDT  
MAY 5 2025...........SUNRISE 6:32 AM EDT SUNSET 8:21 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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