030  
CDUS43 KLOT 180637  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT FRI SEP 18 2020  
 
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR SEPTEMBER 17 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1992 TO 2020  
 
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST  
VALUE VALUE VALUE FROM YEAR  
NORMAL    
.......................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 70 91 2018 75 -5 81  
MINIMUM 56 44 2014 54 2 65  
1999  
AVERAGE 63 65 -2 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.34 2012 0.09 -0.09 0.00  
MONTH TO DATE 2.80 1.87 0.93 4.12  
SINCE SEP 1 2.80 1.87 0.93 4.12  
SINCE JAN 1 28.75 29.69 -0.94 40.03  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 3 -1  
MONTH TO DATE 9 26 -17  
SINCE SEP 1 9 26 -17  
SINCE JUL 1 10 34 -24  
 
COOLING  
YESTERDAY 0 3 -3  
MONTH TO DATE 57 71 -14  
SINCE SEP 1 57 71 -14  
SINCE JAN 1 1040 824 216    
.......................................................
 
 
 
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 2020.....SUNRISE 636 AM CDT SUNSET 656 PM CDT  
SEPTEMBER 19 2020.....SUNRISE 637 AM CDT SUNSET 654 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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