463  
CDUS44 KMRX 130843  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
443 AM EDT WED SEP 13 2023  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1937 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 2:18 PM 94 2019 82 3 80  
MINIMUM 61 6:05 AM 42 1940 58 3 58  
1993  
AVERAGE 73 70 3 69  
 
PRECIPITATION (IN)  
YESTERDAY T 1.10 1950 0.10 -0.10 0.37  
MONTH TO DATE 0.65 1.11 -0.46 1.38  
SINCE SEP 1 0.65 1.11 -0.46 1.38  
SINCE JAN 1 33.00 32.82 0.18 33.63  
 
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 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 8 5 3 4  
MONTH TO DATE 120 80 40 98  
SINCE SEP 1 120 80 40 98  
SINCE JAN 1 997 1022 -25 1246    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 55 2:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 96 2019  
MINIMUM TEMPERATURE (F) 58 38 1940  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2023.....SUNRISE 7:10 AM EDT SUNSET 7:40 PM EDT  
SEPTEMBER 14 2023.....SUNRISE 7:11 AM EDT SUNSET 7:39 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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