394  
CDUS43 KLOT 210632  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT SAT OCT 21 2023  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR OCTOBER 20 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 60 85 2003 62 -2 62  
MINIMUM 43 27 2022 42 1 27  
AVERAGE 52 52 0 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.52 1995 0.11 -0.11 0.00  
MONTH TO DATE 2.40 2.45 -0.05 1.15  
SINCE SEP 1 7.99 5.76 2.23 3.74  
SINCE JAN 1 33.08 35.10 -2.02 32.36  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE T 0.0 0.0 T  
SINCE SEP 1 T 0.0 0.0 T  
SINCE JUL 1 T 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 13 0 20  
MONTH TO DATE 207 193 14 283  
SINCE SEP 1 240 273 -33 381  
SINCE JUL 1 242 279 -37 381  
 
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) 62 80 2007  
MINIMUM TEMPERATURE (F) 42 24 2018  
 
SUNRISE AND SUNSET  
OCTOBER 21 2023.......SUNRISE 7:11 AM CDT SUNSET 6:02 PM CDT  
OCTOBER 22 2023.......SUNRISE 7:12 AM CDT SUNSET 6:01 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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