770  
CDUS43 KLOT 190632  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1232 AM CST THU DEC 19 2024  
   
...............................  
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR DECEMBER 18 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 35 55 2002 36 -1 35  
MINIMUM 25 -12 2016 21 4 18  
AVERAGE 30 29 1 27  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.02 2002 0.07 -0.07 T  
MONTH TO DATE 0.55 1.24 -0.69 2.22  
SINCE DEC 1 0.55 1.24 -0.69 2.22  
SINCE JAN 1 40.37 40.23 0.14 37.32  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.0 2000 0.2 -0.2 T  
MONTH TO DATE 0.1 3.7 -3.6 0.7  
SINCE DEC 1 0.1 3.7 -3.6 0.7  
SINCE JUL 1 2.3 5.0 -2.7 3.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 36 -1 38  
MONTH TO DATE 660 608 52 500  
SINCE DEC 1 660 608 52 500  
SINCE JUL 1 1522 1800 -278 1621  
 
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 55 2002  
MINIMUM TEMPERATURE (F) 21 -12 2016  
 
SUNRISE AND SUNSET  
DECEMBER 19 2024......SUNRISE 7:15 AM CST SUNSET 4:25 PM CST  
DECEMBER 20 2024......SUNRISE 7:15 AM CST SUNSET 4:25 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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