535  
CDUS43 KILX 190628  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
128 AM CDT SAT AUG 19 2023  
   
...............................
 
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR AUGUST 18 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 79 334 PM MM MM 84 -5 83  
MINIMUM 53 509 AM MM MM 64 -11 58  
AVERAGE 66 74 -8 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.06 -0.06 0.00  
MONTH TO DATE 1.78 1.36 0.42 3.23  
SINCE JUN 1 5.67 10.04 -4.37 10.03  
SINCE JAN 1 19.10 24.11 -5.01 25.85  
 
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 1 9 -8 6  
MONTH TO DATE 139 174 -35 174  
SINCE JUN 1 662 749 -87 828  
SINCE JAN 1 751 855 -104 982    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 500 AM  
LOWEST 48 200 PM  
AVERAGE 71  
   
......................................................
 
 
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 19 2023........SUNRISE 609 AM CDT SUNSET 744 PM CDT  
AUGUST 20 2023........SUNRISE 610 AM CDT SUNSET 742 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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