895  
CDUS43 KLOT 180651  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1251 AM CST MON DEC 18 2023  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR DECEMBER 17 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1992 TO 2023  
 
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST  
VALUE VALUE VALUE FROM YEAR  
NORMAL    
........................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 43 56 2006 36 7 26  
MINIMUM 35 -4 2000 22 13 18  
AVERAGE 39 29 10 22  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 0.14 2001 0.06 -0.03 T  
MONTH TO DATE 2.22 1.17 1.05 2.60  
SINCE DEC 1 2.22 1.17 1.05 2.60  
SINCE JAN 1 37.32 40.16 -2.84 37.51  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.2 2016 0.3 -0.3 0.2  
MONTH TO DATE 0.7 3.5 -2.8 2.1  
SINCE DEC 1 0.7 3.5 -2.8 2.1  
SINCE JUL 1 3.3 4.8 -1.5 3.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 36 -10 43  
MONTH TO DATE 462 572 -110 518  
SINCE DEC 1 462 572 -110 518  
SINCE JUL 1 1583 1764 -181 1702  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 871 947 -76 1002    
........................................................
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 55 2002  
MINIMUM TEMPERATURE (F) 21 -12 2016  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 7:14 AM CST SUNSET 4:24 PM CST  
DECEMBER 19 2023......SUNRISE 7:14 AM CST SUNSET 4:24 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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