834  
CDUS43 KILX 170633  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
133 AM CDT SAT MAY 17 2025  
   
...............................
 
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR MAY 16 2025
 
 
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 84 MM MM MM 74 10 71  
MINIMUM 62 MM MM MM 54 8 53  
AVERAGE 73 64 9 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.57 MM MM 0.12 0.45 0.03  
MONTH TO DATE 2.89 2.16 0.73 1.06  
SINCE MAR 1 12.18 8.52 3.66 11.77  
SINCE JAN 1 13.54 12.37 1.17 16.63  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 3  
MONTH TO DATE 73 85 -12 15  
SINCE MAR 1 852 1136 -284 828  
SINCE JUL 1 4785 5246 -461 4135  
 
COOLING  
YESTERDAY 8 3 5 0  
MONTH TO DATE 34 29 5 27  
SINCE MAR 1 43 44 -1 54  
SINCE JAN 1 43 44 -1 54    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 500 AM  
LOWEST 38 200 PM  
AVERAGE 69  
   
......................................................
 
 
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 MM MM  
MINIMUM TEMPERATURE (F) 54 MM MM  
 
SUNRISE AND SUNSET  
MAY 17 2025...........SUNRISE 537 AM CDT SUNSET 802 PM CDT  
MAY 18 2025...........SUNRISE 536 AM CDT SUNSET 803 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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