851  
CDUS43 KLOT 230634  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT SAT SEP 23 2017  
 
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR SEPTEMBER 22 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 93R 90 2005 73 20 84  
MINIMUM 68 33 1995 52 16 64  
AVERAGE 81 63 18 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.39 2000 0.10 -0.10 0.00  
MONTH TO DATE 0.39 2.38 -1.99 0.80  
SINCE SEP 1 0.39 2.38 -1.99 0.80  
SINCE JAN 1 34.24 30.20 4.04 30.71  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4  
MONTH TO DATE 33 44 -11  
SINCE SEP 1 33 44 -11  
SINCE JUL 1 41 52 -11  
 
COOLING  
YESTERDAY 16 2 14  
MONTH TO DATE 98 81 17  
SINCE SEP 1 98 81 17  
SINCE JAN 1 795 834 -39    
.......................................................
 
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 90 2010  
MINIMUM TEMPERATURE (F) 51 29 1995  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2017.....SUNRISE 641 AM CDT SUNSET 647 PM CDT  
SEPTEMBER 24 2017.....SUNRISE 642 AM CDT SUNSET 646 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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