680  
CDUS44 KMRX 280835  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
435 AM EDT THU SEP 28 2023  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 27 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 81 2:53 PM 90 2017 77 4 69  
2019  
MINIMUM 57 5:55 AM 37 1940 52 5 43  
2001  
AVERAGE 69 65 4 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.08 2018 0.10 -0.06 0.00  
MONTH TO DATE 0.83 2.55 -1.72 2.41  
SINCE SEP 1 0.83 2.55 -1.72 2.41  
SINCE JAN 1 33.18 34.26 -1.08 34.66  
 
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 3 -3 9  
MONTH TO DATE 1 24 -23 26  
SINCE SEP 1 1 24 -23 26  
SINCE JUL 1 1 25 -24 26  
 
COOLING  
YESTERDAY 4 2 2 0  
MONTH TO DATE 165 137 28 137  
SINCE SEP 1 165 137 28 137  
SINCE JAN 1 1042 1079 -37 1285    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 2.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 5:00 AM  
LOWEST 47 3:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 91 2019  
MINIMUM TEMPERATURE (F) 52 34 1940  
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2023.....SUNRISE 7:22 AM EDT SUNSET 7:18 PM EDT  
SEPTEMBER 29 2023.....SUNRISE 7:23 AM EDT SUNSET 7:16 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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