584  
CDUS43 KLOT 200646  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
146 AM CDT FRI SEP 20 2024  
   
...............................  
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR SEPTEMBER 19 2024  
 
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)  
YESTERDAY  
MAXIMUM 89 91 2013 76 13 66  
2021  
MINIMUM 58 40 1992 54 4 55  
AVERAGE 74 65 9 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.69 2005 0.10 -0.10 0.17  
MONTH TO DATE 0.00 2.13 -2.13 4.77  
SINCE SEP 1 0.00 2.13 -2.13 4.77  
SINCE JAN 1 33.34 31.47 1.87 29.86  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 4  
MONTH TO DATE 17 31 -14 31  
SINCE SEP 1 17 31 -14 31  
SINCE JUL 1 21 37 -16 33  
 
COOLING  
YESTERDAY 9 3 6 0  
MONTH TO DATE 106 84 22 62  
SINCE SEP 1 106 84 22 62  
SINCE JAN 1 975 909 66 805    
........................................................  
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 94 2018  
MINIMUM TEMPERATURE (F) 54 40 2006  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2024.....SUNRISE 6:38 AM CDT SUNSET 6:52 PM CDT  
SEPTEMBER 21 2024.....SUNRISE 6:39 AM CDT SUNSET 6:50 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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