222  
CDUS43 KLOT 200637  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1237 AM CST WED DEC 20 2023  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR DECEMBER 19 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 32 55 2002 36 -4 24  
MINIMUM 14 -12 2016 21 -7 8  
AVERAGE 23 28 -5 16  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.80 2008 0.07 -0.07 0.00  
MONTH TO DATE 2.22 1.31 0.91 2.60  
SINCE DEC 1 2.22 1.31 0.91 2.60  
SINCE JAN 1 37.32 40.30 -2.98 37.51  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.3 2008 0.3 -0.3 0.0  
MONTH TO DATE 0.7 4.0 -3.3 2.1  
SINCE DEC 1 0.7 4.0 -3.3 2.1  
SINCE JUL 1 3.3 5.3 -2.0 3.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 42 37 5 49  
MONTH TO DATE 542 645 -103 617  
SINCE DEC 1 542 645 -103 617  
SINCE JUL 1 1663 1837 -174 1801  
 
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) 35 50 2012  
2015  
MINIMUM TEMPERATURE (F) 21 -8 2000  
 
SUNRISE AND SUNSET  
DECEMBER 20 2023......SUNRISE 7:15 AM CST SUNSET 4:25 PM CST  
DECEMBER 21 2023......SUNRISE 7:16 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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