490  
CDUS44 KMRX 150808  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
408 AM EDT WED OCT 15 2025  
   
...............................  
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR OCTOBER 14 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 76 3:32 PM 85 1954 71 5 67  
MINIMUM 45 4:53 AM 26 1988 45 0 42  
AVERAGE 61 58 3 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.09 2014 0.07 -0.07 T  
MONTH TO DATE 0.12 1.13 -1.01 0.12  
SINCE SEP 1 4.27 3.97 0.30 7.78  
SINCE JAN 1 38.89 35.68 3.21 38.20  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 8 -4 10  
MONTH TO DATE 44 78 -34 55  
SINCE SEP 1 61 114 -53 63  
SINCE JUL 1 68 115 -47 64  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 10 17 -7 31  
SINCE SEP 1 107 159 -52 209  
SINCE JAN 1 1154 1101 53 1337    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 3.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 3:00 AM  
LOWEST 42 3:00 PM  
AVERAGE 71  
   
......................................................  
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 83 1971  
MINIMUM TEMPERATURE (F) 45 25 1939  
 
SUNRISE AND SUNSET  
OCTOBER 15 2025.......SUNRISE 7:37 AM EDT SUNSET 6:53 PM EDT  
OCTOBER 16 2025.......SUNRISE 7:38 AM EDT SUNSET 6:52 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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