593  
CDUS43 KLOT 210636  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1236 AM CST TUE NOV 21 2017  
 
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR NOVEMBER 20 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1992 TO 2017  
 
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST  
VALUE VALUE VALUE FROM YEAR  
NORMAL    
.......................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 53 65 2003 46 7 33  
MINIMUM 28 11 2014 31 -3 21  
AVERAGE 41 39 2 27  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.31 2013 0.11 -0.11 0.00  
MONTH TO DATE 2.90 2.25 0.65 0.48  
SINCE SEP 1 11.66 8.79 2.87 6.39  
SINCE JAN 1 45.51 36.61 8.90 36.30  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.8 1996 0.1 -0.1 0.0  
MONTH TO DATE T 0.3 -0.3 T  
SINCE SEP 1 T 0.3 -0.3 T  
SINCE JUL 1 T 0.3 -0.3 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 27 -3  
MONTH TO DATE 534 438 96  
SINCE SEP 1 855 917 -62  
SINCE JUL 1 863 925 -62  
 
COOLING  
YESTERDAY 0 0 0  
MONTH TO DATE 0 0 0  
SINCE SEP 1 178 109 69  
SINCE JAN 1 875 862 13    
.......................................................
 
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 61 2010  
MINIMUM TEMPERATURE (F) 30 7 2014  
 
 
SUNRISE AND SUNSET  
NOVEMBER 21 2017......SUNRISE 649 AM CST SUNSET 428 PM CST  
NOVEMBER 22 2017......SUNRISE 650 AM CST SUNSET 427 PM CST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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