990  
CDUS43 KLOT 160632  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1232 AM CST SAT DEC 16 2023  
   
...............................  
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR DECEMBER 15 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 53 64 2021 37 16 37  
MINIMUM 28 -2 2016 22 6 30  
AVERAGE 41 30 11 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.96 1992 0.07 -0.07 0.18  
MONTH TO DATE 1.59 1.05 0.54 2.55  
SINCE DEC 1 1.59 1.05 0.54 2.55  
SINCE JAN 1 36.69 40.04 -3.35 37.46  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.7 2007 0.3 -0.3 0.9  
MONTH TO DATE 0.7 3.0 -2.3 0.9  
SINCE DEC 1 0.7 3.0 -2.3 0.9  
SINCE JUL 1 3.3 4.3 -1.0 2.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 36 -12 31  
MONTH TO DATE 414 500 -86 438  
SINCE DEC 1 414 500 -86 438  
SINCE JUL 1 1535 1692 -157 1622  
 
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) 37 64 2021  
MINIMUM TEMPERATURE (F) 22 5 2009  
 
SUNRISE AND SUNSET  
DECEMBER 16 2023......SUNRISE 7:13 AM CST SUNSET 4:23 PM CST  
DECEMBER 17 2023......SUNRISE 7:13 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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