834  
CDUS43 KLOT 160653  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
153 AM CDT MON OCT 16 2023  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR OCTOBER 15 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 58 80 1999 64 -6 52  
MINIMUM 45 30 2006 44 1 31  
AVERAGE 52 54 -2 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.45 1992 0.12 -0.10 0.00  
MONTH TO DATE 2.11 1.85 0.26 1.15  
SINCE SEP 1 7.70 5.16 2.54 3.74  
SINCE JAN 1 32.79 34.50 -1.71 32.36  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 11 2 23  
MONTH TO DATE 140 131 9 166  
SINCE SEP 1 173 211 -38 264  
SINCE JUL 1 175 217 -42 264  
 
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) 64 81 1998  
MINIMUM TEMPERATURE (F) 44 30 2018  
 
SUNRISE AND SUNSET  
OCTOBER 16 2023.......SUNRISE 7:05 AM CDT SUNSET 6:10 PM CDT  
OCTOBER 17 2023.......SUNRISE 7:06 AM CDT SUNSET 6:08 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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