620  
CDUS43 KLOT 172236  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CST SUN DEC 17 2023  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR DECEMBER 17 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 43 56 2006 36 7 26  
MINIMUM 36 -4 2000 22 14 18  
AVERAGE 40 29 11 22  
 
PRECIPITATION (IN)  
TODAY 0.01 0.14 2001 0.06 -0.05 T  
MONTH TO DATE 2.20 1.17 1.03 2.60  
SINCE DEC 1 2.20 1.17 1.03 2.60  
SINCE JAN 1 37.30 40.16 -2.86 37.51  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 25 36 -11 43  
MONTH TO DATE 461 572 -111 518  
SINCE DEC 1 461 572 -111 518  
SINCE JUL 1 1582 1764 -182 1702  
 
COOLING  
TODAY 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 TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 55 2002  
MINIMUM TEMPERATURE (F) 21 -12 2016  
 
SUNRISE AND SUNSET  
DECEMBER 17 2023......SUNRISE 7:13 AM CST SUNSET 4:24 PM CST  
DECEMBER 18 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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