897  
CDUS43 KLOT 230632  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT WED MAY 23 2018  
 
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR MAY 22 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1928 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 67 1118 AM 93 1977 72 -5 75  
MINIMUM 54 1159 PM 40 1929 53 1 49  
AVERAGE 61 63 -2 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 1.11 1955 0.14 -0.09 0.01  
MONTH TO DATE 3.84 2.86 0.98 2.79  
SINCE MAR 1 6.62 9.22 -2.60 13.23  
SINCE JAN 1 11.91 13.22 -1.31 18.34  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 5 -1 3  
MONTH TO DATE 78 155 -77 199  
SINCE MAR 1 1592 1415 177 1299  
SINCE JUL 1 5883 5926 -43 4945  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 45 33 12 27  
SINCE MAR 1 45 46 -1 46  
SINCE JAN 1 45 46 -1 46    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 5.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
   
......................................................
 
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 92 1977  
1964  
MINIMUM TEMPERATURE (F) 54 35 1931  
 
 
SUNRISE AND SUNSET  
MAY 23 2018...........SUNRISE 524 AM CDT SUNSET 812 PM CDT  
MAY 24 2018...........SUNRISE 523 AM CDT SUNSET 813 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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