700  
CDUS43 KLOT 220639  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
138 AM CDT WED MAY 22 2013  
 
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MAY 21 2013
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1992 TO 2013  
 
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST  
VALUE VALUE VALUE FROM YEAR  
NORMAL    
.......................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 80 86 2007 73 7 66  
1992  
MINIMUM 63 32 2002 52 11 52  
AVERAGE 72 62 10 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.17 0.98 1999 0.14 0.03 0.00  
MONTH TO DATE 1.92 2.87 -0.95 4.13  
SINCE MAR 1 12.04 9.60 2.44 8.13  
SINCE JAN 1 17.86 13.31 4.55 11.53  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5  
MONTH TO DATE 103 153 -50  
SINCE MAR 1 1628 1419 209  
SINCE JUL 1 6082 6147 -65  
 
COOLING  
YESTERDAY 7 2 5  
MONTH TO DATE 66 27 39  
SINCE MAR 1 73 32 41  
SINCE JAN 1 73 32 41    
.......................................................
 
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 88 2007  
MINIMUM TEMPERATURE (F) 52 32 1997  
 
 
SUNRISE AND SUNSET  
MAY 22 2013...........SUNRISE 527 AM CDT SUNSET 812 PM CDT  
MAY 23 2013...........SUNRISE 526 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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