437  
CDUS43 KLOT 220632  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1232 AM CST FRI DEC 22 2023  
   
...............................  
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR DECEMBER 21 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 48 53 2015 35 13 32  
MINIMUM 33 -8 2000 21 12 14  
AVERAGE 41 28 13 23  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.75 2015 0.07 -0.05 0.00  
MONTH TO DATE 2.24 1.44 0.80 2.60  
SINCE DEC 1 2.24 1.44 0.80 2.60  
SINCE JAN 1 37.34 40.43 -3.09 37.51  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.3 2009 0.2 -0.2 0.0  
MONTH TO DATE 0.7 4.5 -3.8 2.1  
SINCE DEC 1 0.7 4.5 -3.8 2.1  
SINCE JUL 1 3.3 5.8 -2.5 3.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 37 -13 42  
MONTH TO DATE 595 719 -124 698  
SINCE DEC 1 595 719 -124 698  
SINCE JUL 1 1716 1911 -195 1882  
 
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 53 2006  
MINIMUM TEMPERATURE (F) 20 -11 2000  
 
SUNRISE AND SUNSET  
DECEMBER 22 2023......SUNRISE 7:16 AM CST SUNSET 4:26 PM CST  
DECEMBER 23 2023......SUNRISE 7:17 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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