884  
CDUS43 KLOT 200640  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
138 AM CDT MON MAY 20 2013  
 
   
...............................  
 
   
..THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR MAY 19 2013  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1996 TO 2013  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 327 PM 90 2012 70 17 90  
1998  
MINIMUM 58 502 AM 37 2008 48 10 55  
AVERAGE 73 59 14 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.50 2005 0.11 -0.11 0.00  
MONTH TO DATE 0.13 2.33 -2.20 0.58  
SINCE MAR 1 1.62 7.55 -5.93 3.73  
SINCE JAN 1 6.58 10.13 -3.55 5.36  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 7 -7 0  
MONTH TO DATE 153 180 -27 99  
SINCE MAR 1 1736 1555 181 950  
SINCE JUL 1 6243 6293 -50 3815  
 
COOLING  
YESTERDAY 8 1 7 8  
MONTH TO DATE 23 14 9 30  
SINCE MAR 1 32 18 14 76  
SINCE JAN 1 32 18 14 76    
..............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SE (130)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 4.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
   
......................................................  
 
 
THE CHICAGO EXECUTIVE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 91 2012  
MINIMUM TEMPERATURE (F) 49 35 2002  
 
 
SUNRISE AND SUNSET  
MAY 20 2013...........SUNRISE 526 AM CDT SUNSET 811 PM CDT  
MAY 21 2013...........SUNRISE 525 AM CDT SUNSET 812 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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