815  
CDUS43 KILX 202127  
CLIMTO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
427 PM CDT SAT MAY 20 2023  
   
...............................
 
 
   
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR MAY 20 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 71 257 PM MM MM 75 -4 86  
MINIMUM 48 500 AM MM MM 55 -7 67  
AVERAGE 60 65 -5 77  
 
PRECIPITATION (IN)  
TODAY 0.00 MM MM 0.12 -0.12 0.01  
MONTH TO DATE 1.92 2.64 -0.72 2.29  
SINCE MAR 1 9.73 9.00 0.73 11.01  
SINCE JAN 1 13.43 12.85 0.58 14.95  
 
DEGREE DAYS  
HEATING  
TODAY 5 3 2 0  
MONTH TO DATE 64 100 -36 67  
SINCE MAR 1 1103 1151 -48 1102  
SINCE JUL 1 4711 5261 -550 4913  
 
COOLING  
TODAY 0 4 -4 12  
MONTH TO DATE 37 42 -5 97  
SINCE MAR 1 48 57 -9 111  
SINCE JAN 1 48 57 -9 111    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 500 AM  
LOWEST 41 300 PM  
AVERAGE 64  
   
......................................................
 
 
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 MM MM  
MINIMUM TEMPERATURE (F) 56 MM MM  
 
SUNRISE AND SUNSET  
MAY 20 2023...........SUNRISE 535 AM CDT SUNSET 805 PM CDT  
MAY 21 2023...........SUNRISE 534 AM CDT SUNSET 806 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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