422  
CDUS43 KLOT 180635  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT WED SEP 18 2019  
 
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR SEPTEMBER 17 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1992 TO 2019  
 
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST  
VALUE VALUE VALUE FROM YEAR  
NORMAL    
.......................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 81 91 2018 75 6 91  
MINIMUM 65 44 2014 54 11 66  
1999  
AVERAGE 73 65 8 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.34 2012 0.09 -0.09 0.00  
MONTH TO DATE 4.12 1.87 2.25 1.91  
SINCE SEP 1 4.12 1.87 2.25 1.91  
SINCE JAN 1 40.03 29.69 10.34 31.87  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3  
MONTH TO DATE 2 26 -24  
SINCE SEP 1 2 26 -24  
SINCE JUL 1 2 34 -32  
 
COOLING  
YESTERDAY 8 3 5  
MONTH TO DATE 91 71 20  
SINCE SEP 1 91 71 20  
SINCE JAN 1 923 824 99    
.......................................................
 
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 88 2007  
2000  
MINIMUM TEMPERATURE (F) 54 43 1995  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2019.....SUNRISE 635 AM CDT SUNSET 657 PM CDT  
SEPTEMBER 19 2019.....SUNRISE 636 AM CDT SUNSET 655 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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