163  
CDUS44 KMRX 290820  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
420 AM EDT FRI SEP 29 2023  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 28 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 78 2:20 PM 91 2019 77 1 66  
MINIMUM 54 6:28 AM 34 1940 52 2 42  
AVERAGE 66 64 2 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.13 1972 0.09 -0.09 0.00  
MONTH TO DATE 0.83 2.64 -1.81 2.41  
SINCE SEP 1 0.83 2.64 -1.81 2.41  
SINCE JAN 1 33.18 34.35 -1.17 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 11  
MONTH TO DATE 1 27 -26 37  
SINCE SEP 1 1 27 -26 37  
SINCE JUL 1 1 28 -27 37  
 
COOLING  
YESTERDAY 1 2 -1 0  
MONTH TO DATE 166 139 27 137  
SINCE SEP 1 166 139 27 137  
SINCE JAN 1 1043 1081 -38 1285    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 2.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 54 3:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 93 2019  
MINIMUM TEMPERATURE (F) 51 33 1942  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2023.....SUNRISE 7:23 AM EDT SUNSET 7:16 PM EDT  
SEPTEMBER 30 2023.....SUNRISE 7:24 AM EDT SUNSET 7:15 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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