484  
CDUS43 KLOT 210639  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
139 AM CDT SAT SEP 21 2024  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR SEPTEMBER 20 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 94 2018 75 14 80  
MINIMUM 64 40 2006 54 10 55  
AVERAGE 77 64 13 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.14 0.96 2009 0.12 0.02 0.00  
MONTH TO DATE 0.14 2.25 -2.11 4.77  
SINCE SEP 1 0.14 2.25 -2.11 4.77  
SINCE JAN 1 33.48 31.59 1.89 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 0  
MONTH TO DATE 17 34 -17 31  
SINCE SEP 1 17 34 -17 31  
SINCE JUL 1 21 40 -19 33  
 
COOLING  
YESTERDAY 12 3 9 3  
MONTH TO DATE 118 87 31 65  
SINCE SEP 1 118 87 31 65  
SINCE JAN 1 987 912 75 808    
........................................................
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 93 2017  
MINIMUM TEMPERATURE (F) 53 39 1995  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2024.....SUNRISE 6:39 AM CDT SUNSET 6:50 PM CDT  
SEPTEMBER 22 2024.....SUNRISE 6:40 AM CDT SUNSET 6:49 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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