170  
CDUS44 KMRX 130835  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
435 AM EDT MON OCT 13 2025  
   
...............................  
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR OCTOBER 12 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 73 3:27 PM 86 1954 72 1 75  
MINIMUM 45 5:49 AM 29 2000 46 -1 38  
AVERAGE 59 59 0 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.28 1990 0.07 -0.07 0.00  
MONTH TO DATE 0.12 0.98 -0.86 0.10  
SINCE SEP 1 4.27 3.82 0.45 7.76  
SINCE JAN 1 38.89 35.53 3.36 38.18  
 
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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 7 -1 8  
MONTH TO DATE 39 63 -24 40  
SINCE SEP 1 56 99 -43 48  
SINCE JUL 1 63 100 -37 49  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 10 16 -6 31  
SINCE SEP 1 107 158 -51 209  
SINCE JAN 1 1154 1100 54 1337    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 1.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 53 1:00 PM  
AVERAGE 77  
   
......................................................  
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 86 1954  
MINIMUM TEMPERATURE (F) 46 28 1988  
 
SUNRISE AND SUNSET  
OCTOBER 13 2025.......SUNRISE 7:35 AM EDT SUNSET 6:56 PM EDT  
OCTOBER 14 2025.......SUNRISE 7:36 AM EDT SUNSET 6:54 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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