090  
CDUS44 KMRX 122112  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
512 PM EDT THU SEP 12 2024  
   
...............................  
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 2024  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1937 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 78 11:39 AM 94 2019 82 -4 85  
MINIMUM 57 6:54 AM 42 1940 58 -1 61  
1993  
AVERAGE 68 70 -2 73  
 
PRECIPITATION (IN)  
TODAY 0.00 1.10 1950 0.10 -0.10 T  
MONTH TO DATE 0.02 1.11 -1.09 0.65  
SINCE SEP 1 0.02 1.11 -1.09 0.65  
SINCE JAN 1 30.44 32.82 -2.38 33.00  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 0 0 0  
MONTH TO DATE 8 0 8 0  
SINCE SEP 1 8 0 8 0  
SINCE JUL 1 9 1 8 0  
 
COOLING  
TODAY 3 5 -2 8  
MONTH TO DATE 50 80 -30 120  
SINCE SEP 1 50 80 -30 120  
SINCE JAN 1 1178 1022 156 997    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 7:00 AM  
LOWEST 45 1:00 PM  
AVERAGE 67  
   
......................................................  
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 96 2019  
MINIMUM TEMPERATURE (F) 58 38 1940  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2024.....SUNRISE 7:10 AM EDT SUNSET 7:41 PM EDT  
SEPTEMBER 13 2024.....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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