851  
CDUS43 KLOT 202255  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
455 PM CST FRI DEC 20 2024  
   
...............................  
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR DECEMBER 20 2024  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 33 50 2012 35 -2 44  
2015  
MINIMUM 28 -8 2000 21 7 28  
AVERAGE 31 28 3 36  
 
PRECIPITATION (IN)  
TODAY 0.12 1.26 2012 0.06 0.06 0.00  
MONTH TO DATE 0.72 1.37 -0.65 2.22  
SINCE DEC 1 0.72 1.37 -0.65 2.22  
SINCE JAN 1 40.54 40.36 0.18 37.32  
 
SNOWFALL (IN)  
TODAY 1.4 3.7 2010 0.3 1.1 0.0  
MONTH TO DATE 1.9 4.3 -2.4 0.7  
SINCE DEC 1 1.9 4.3 -2.4 0.7  
SINCE JUL 1 4.1 5.6 -1.5 3.3  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
TODAY 34 37 -3 29  
MONTH TO DATE 731 682 49 571  
SINCE DEC 1 731 682 49 571  
SINCE JUL 1 1593 1874 -281 1692  
 
COOLING  
TODAY 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 TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 53 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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