309  
CDUS44 KMRX 302159  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
559 PM EDT SAT MAY 30 2026  
   
...............................  
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR MAY 30 2026  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1937 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 80 3:39 PM 93 2011 80 0 72  
MINIMUM 65 6:10 AM 39 1984 56 9 55  
AVERAGE 73 68 5 64  
 
PRECIPITATION (IN)  
TODAY 0.20 1.13 1972 0.12 0.08 0.12  
MONTH TO DATE 2.86 3.69 -0.83 4.18  
SINCE MAR 1 7.12 11.44 -4.32 9.93  
SINCE JAN 1 13.92 18.90 -4.98 16.56  
 
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 0.5 1.2 -0.7 T  
SINCE JUL 1 12.7 9.2 3.5 7.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 1  
MONTH TO DATE 126 90 36 77  
SINCE MAR 1 596 908 -312 750  
SINCE JUL 1 3835 4141 -306 3796  
 
COOLING  
TODAY 8 4 4 0  
MONTH TO DATE 119 76 43 56  
SINCE MAR 1 151 90 61 115  
SINCE JAN 1 151 90 61 115    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 29 5:00 PM  
AVERAGE 65  
   
......................................................  
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 94 2011  
MINIMUM TEMPERATURE (F) 57 38 1984  
 
SUNRISE AND SUNSET  
MAY 30 2026...........SUNRISE 6:14 AM EDT SUNSET 8:41 PM EDT  
MAY 31 2026...........SUNRISE 6:13 AM EDT SUNSET 8:42 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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