316  
CDUS44 KMRX 190831  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
431 AM EDT THU SEP 19 2024  
   
...............................  
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 2024  
 
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)  
YESTERDAY  
MAXIMUM 81 3:48 PM 93 1954 80 1 76  
MINIMUM 62 5:18 AM 39 1943 56 6 53  
AVERAGE 72 68 4 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.00 2012 0.09 -0.09 0.09  
MONTH TO DATE 0.91 1.70 -0.79 0.79  
SINCE SEP 1 0.91 1.70 -0.79 0.79  
SINCE JAN 1 31.33 33.41 -2.08 33.14  
 
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 8 6 2 0  
SINCE SEP 1 8 6 2 0  
SINCE JUL 1 9 7 2 0  
 
COOLING  
YESTERDAY 7 4 3 0  
MONTH TO DATE 85 108 -23 148  
SINCE SEP 1 85 108 -23 148  
SINCE JAN 1 1213 1050 163 1025    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 1.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 58 2:00 PM  
AVERAGE 79  
   
......................................................  
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 92 1954  
MINIMUM TEMPERATURE (F) 55 41 1984  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2024.....SUNRISE 7:16 AM EDT SUNSET 7:30 PM EDT  
SEPTEMBER 20 2024.....SUNRISE 7:16 AM EDT SUNSET 7:29 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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