493  
CDUS43 KLOT 170634  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1234 AM CST TUE DEC 17 2024  
   
...............................  
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR DECEMBER 16 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1992 TO 2024  
 
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST  
VALUE VALUE VALUE FROM YEAR  
NORMAL    
........................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 53 64 2021 37 16 47  
MINIMUM 34 5 2009 22 12 38  
AVERAGE 44 29 15 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.60 2023 0.06 -0.04 0.60  
MONTH TO DATE 0.55 1.11 -0.56 2.19  
SINCE DEC 1 0.55 1.11 -0.56 2.19  
SINCE JAN 1 40.37 40.10 0.27 37.29  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.1 2008 0.2 -0.2 0.0  
MONTH TO DATE 0.1 3.2 -3.1 0.7  
SINCE DEC 1 0.1 3.2 -3.1 0.7  
SINCE JUL 1 2.3 4.5 -2.2 3.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 36 -15 22  
MONTH TO DATE 592 536 56 436  
SINCE DEC 1 592 536 56 436  
SINCE JUL 1 1454 1728 -274 1557  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1040 947 93 871    
........................................................  
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 56 2006  
MINIMUM TEMPERATURE (F) 22 -4 2000  
 
SUNRISE AND SUNSET  
DECEMBER 17 2024......SUNRISE 7:14 AM CST SUNSET 4:24 PM CST  
DECEMBER 18 2024......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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