545  
CDUS44 KMRX 150905  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
505 AM EDT FRI SEP 15 2023  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 14 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 82 1:48 PM 97 1998 81 1 77  
MINIMUM 57 4:50 AM 41 1985 57 0 54  
AVERAGE 70 69 1 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.15 1982 0.10 -0.10 0.00  
MONTH TO DATE 0.65 1.31 -0.66 1.38  
SINCE SEP 1 0.65 1.31 -0.66 1.38  
SINCE JAN 1 33.00 33.02 -0.02 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 1 -1 0  
MONTH TO DATE 0 2 -2 1  
SINCE SEP 1 0 2 -2 1  
SINCE JUL 1 0 3 -3 1  
 
COOLING  
YESTERDAY 5 5 0 1  
MONTH TO DATE 133 90 43 99  
SINCE SEP 1 133 90 43 99  
SINCE JAN 1 1010 1032 -22 1247    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 7:00 AM  
LOWEST 42 4:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 92 2016  
MINIMUM TEMPERATURE (F) 57 40 1985  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2023.....SUNRISE 7:12 AM EDT SUNSET 7:37 PM EDT  
SEPTEMBER 16 2023.....SUNRISE 7:13 AM EDT SUNSET 7:36 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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