527  
CDUS43 KLOT 170730  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
230 AM CDT TUE OCT 17 2023  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR OCTOBER 16 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 54 81 1998 64 -10 57  
MINIMUM 43 30 2018 44 -1 36  
AVERAGE 49 54 -5 47  
 
PRECIPITATION (IN)  
YESTERDAY MM 0.57 1996 0.13 MM T  
2006  
MONTH TO DATE 2.11 1.98 0.13 1.15  
SINCE SEP 1 7.70 5.29 2.41 3.74  
SINCE JAN 1 32.79 34.63 -1.84 32.36  
 
SNOWFALL (IN)  
YESTERDAY MM MM MM 0.0 MM 0.0  
MONTH TO DATE T 0.0 0.0 0.0  
SINCE SEP 1 T 0.0 0.0 0.0  
SINCE JUL 1 T 0.0 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 12 4 18  
MONTH TO DATE 156 143 13 184  
SINCE SEP 1 189 223 -34 282  
SINCE JUL 1 191 229 -38 282  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 31 13 18 0  
SINCE SEP 1 125 119 6 127  
SINCE JAN 1 868 944 -76 994    
........................................................
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 83 2016  
MINIMUM TEMPERATURE (F) 43 26 1992  
 
SUNRISE AND SUNSET  
OCTOBER 17 2023.......SUNRISE 7:06 AM CDT SUNSET 6:08 PM CDT  
OCTOBER 18 2023.......SUNRISE 7:08 AM CDT SUNSET 6:07 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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