314  
CDUS43 KLOT 190636  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1236 AM CST TUE DEC 19 2023  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR DECEMBER 18 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 35 55 2002 36 -1 19  
MINIMUM 18 -12 2016 21 -3 11  
AVERAGE 27 29 -2 15  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.02 2002 0.07 -0.07 T  
MONTH TO DATE 2.22 1.24 0.98 2.60  
SINCE DEC 1 2.22 1.24 0.98 2.60  
SINCE JAN 1 37.32 40.23 -2.91 37.51  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.0 2000 0.2 -0.2 T  
MONTH TO DATE 0.7 3.7 -3.0 2.1  
SINCE DEC 1 0.7 3.7 -3.0 2.1  
SINCE JUL 1 3.3 5.0 -1.7 3.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 38 36 2 50  
MONTH TO DATE 500 608 -108 568  
SINCE DEC 1 500 608 -108 568  
SINCE JUL 1 1621 1800 -179 1752  
 
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) 36 55 2002  
MINIMUM TEMPERATURE (F) 21 -12 2016  
 
SUNRISE AND SUNSET  
DECEMBER 19 2023......SUNRISE 7:14 AM CST SUNSET 4:24 PM CST  
DECEMBER 20 2023......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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