634  
CDUS44 KMRX 140841  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
441 AM EDT WED MAY 14 2025  
   
...............................  
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR MAY 13 2025  
 
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)  
YESTERDAY  
MAXIMUM 77 3:00 PM 91 2014 76 1 73  
MINIMUM 59 11:59 PM 34 1969 51 8 45  
AVERAGE 68 64 4 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.44 1.90 1995 0.13 0.31 0.00  
MONTH TO DATE 1.33 1.56 -0.23 1.95  
SINCE MAR 1 7.08 9.31 -2.23 8.28  
SINCE JAN 1 13.71 16.77 -3.06 16.22  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 0 3 -3 6  
MONTH TO DATE 50 55 -5 23  
SINCE MAR 1 723 873 -150 646  
SINCE JUL 1 3769 4106 -337 3533  
 
COOLING  
YESTERDAY 3 2 1 0  
MONTH TO DATE 15 20 -5 31  
SINCE MAR 1 74 34 40 55  
SINCE JAN 1 74 34 40 55    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 2.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 54 3:00 PM  
AVERAGE 77  
   
......................................................  
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 88 1957  
1962  
2018  
MINIMUM TEMPERATURE (F) 52 33 1996  
 
SUNRISE AND SUNSET  
MAY 14 2025...........SUNRISE 6:23 AM EDT SUNSET 8:29 PM EDT  
MAY 15 2025...........SUNRISE 6:23 AM EDT SUNSET 8:30 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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