037  
CDUS43 KILX 210639  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
139 AM CDT MON AUG 21 2023  
   
...............................
 
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR AUGUST 20 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 91 358 PM MM MM 84 7 82  
MINIMUM 68 525 AM MM MM 63 5 67  
AVERAGE 80 74 6 75  
 
PRECIPITATION (IN)  
YESTERDAY T MM MM 0.07 -0.07 0.31  
MONTH TO DATE 1.78 1.51 0.27 3.54  
SINCE JUN 1 5.67 10.19 -4.52 10.34  
SINCE JAN 1 19.10 24.26 -5.16 26.16  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 10 13 -3 0  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 15 9 6 10  
MONTH TO DATE 159 192 -33 190  
SINCE JUN 1 682 767 -85 844  
SINCE JAN 1 771 873 -102 998    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 1000 PM  
LOWEST 64 300 PM  
AVERAGE 79  
   
......................................................
 
 
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 MM MM  
MINIMUM TEMPERATURE (F) 63 MM MM  
 
SUNRISE AND SUNSET  
AUGUST 21 2023........SUNRISE 611 AM CDT SUNSET 741 PM CDT  
AUGUST 22 2023........SUNRISE 612 AM CDT SUNSET 739 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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