458  
CDUS44 KMRX 072121  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
521 PM EDT WED MAY 07 2025  
   
...............................  
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR MAY 7 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 3:59 PM 88 1940 75 -5 80  
2014  
MINIMUM 43 5:15 AM 32 2020 50 -7 60  
AVERAGE 57 62 -5 70  
 
PRECIPITATION (IN)  
TODAY 0.00 2.28 1984 0.12 -0.12 T  
MONTH TO DATE 0.40 0.83 -0.43 0.99  
SINCE MAR 1 6.15 8.58 -2.43 7.32  
SINCE JAN 1 12.78 16.04 -3.26 15.26  
 
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 8 4 4 0  
MONTH TO DATE 37 32 5 0  
SINCE MAR 1 710 850 -140 623  
SINCE JUL 1 3756 4083 -327 3510  
 
COOLING  
TODAY 0 2 -2 5  
MONTH TO DATE 8 8 0 24  
SINCE MAR 1 67 22 45 48  
SINCE JAN 1 67 22 45 48    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 1.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1:00 AM  
LOWEST 43 1:00 PM  
AVERAGE 72  
   
......................................................  
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 91 1940  
MINIMUM TEMPERATURE (F) 50 30 1989  
 
SUNRISE AND SUNSET  
MAY 7 2025...........SUNRISE 6:30 AM EDT SUNSET 8:23 PM EDT  
MAY 8 2025...........SUNRISE 6:29 AM EDT SUNSET 8:24 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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