886  
CDUS43 KLOT 172136  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CDT SUN SEP 17 2023  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR SEPTEMBER 17 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 67 91 2018 76 -9 84  
MINIMUM 58 44 1999 55 3 66  
2014  
AVERAGE 63 66 -3 75  
 
PRECIPITATION (IN)  
TODAY 1.02R 0.34 2012 0.10 0.92 0.00  
MONTH TO DATE 4.60 1.92 2.68 2.46  
SINCE SEP 1 4.60 1.92 2.68 2.46  
SINCE JAN 1 29.69 31.26 -1.57 31.08  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 2 3 -1 0  
MONTH TO DATE 23 25 -2 11  
SINCE SEP 1 23 25 -2 11  
SINCE JUL 1 25 31 -6 11  
 
COOLING  
TODAY 0 3 -3 10  
MONTH TO DATE 62 78 -16 91  
SINCE SEP 1 62 78 -16 91  
SINCE JAN 1 805 903 -98 958    
........................................................
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 88 2000  
2007  
MINIMUM TEMPERATURE (F) 55 43 1995  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2023.....SUNRISE 6:34 AM CDT SUNSET 6:59 PM CDT  
SEPTEMBER 18 2023.....SUNRISE 6:35 AM CDT SUNSET 6:57 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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