370  
CDUS43 KLOT 200643  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1243 AM CST FRI DEC 20 2024  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR DECEMBER 19 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 32 55 2002 36 -4 32  
MINIMUM 24 -12 2016 21 3 14  
AVERAGE 28 28 0 23  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 0.80 2008 0.07 -0.02 0.00  
MONTH TO DATE 0.60 1.31 -0.71 2.22  
SINCE DEC 1 0.60 1.31 -0.71 2.22  
SINCE JAN 1 40.42 40.30 0.12 37.32  
 
SNOWFALL (IN)  
YESTERDAY 0.4 1.3 2008 0.3 0.1 0.0  
MONTH TO DATE 0.5 4.0 -3.5 0.7  
SINCE DEC 1 0.5 4.0 -3.5 0.7  
SINCE JUL 1 2.7 5.3 -2.6 3.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 37 0 42  
MONTH TO DATE 697 645 52 542  
SINCE DEC 1 697 645 52 542  
SINCE JUL 1 1559 1837 -278 1663  
 
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) 35 50 2012  
2015  
MINIMUM TEMPERATURE (F) 21 -8 2000  
 
SUNRISE AND SUNSET  
DECEMBER 20 2024......SUNRISE 7:15 AM CST SUNSET 4:25 PM CST  
DECEMBER 21 2024......SUNRISE 7:16 AM CST SUNSET 4:26 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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