184  
CDUS43 KLOT 180635  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT TUE JUL 18 2023  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR JULY 17 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 78 99 2012 85 -7 77  
MINIMUM 62 53 2009 65 -3 69  
AVERAGE 70 75 -5 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 5.75 1996 0.14 -0.14 0.02  
MONTH TO DATE 7.16 2.40 4.76 2.18  
SINCE JUN 1 8.36 7.08 1.28 4.21  
SINCE JAN 1 21.12 22.88 -1.76 21.90  
 
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 JUN 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 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 19 23 -4 10  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 5 10 -5 8  
MONTH TO DATE 136 166 -30 151  
SINCE JUN 1 321 366 -45 361  
SINCE JAN 1 390 443 -53 491    
........................................................
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 97 2012  
MINIMUM TEMPERATURE (F) 65 57 1992  
2017  
 
SUNRISE AND SUNSET  
JULY 18 2023..........SUNRISE 5:34 AM CDT SUNSET 8:23 PM CDT  
JULY 19 2023..........SUNRISE 5:34 AM CDT SUNSET 8:22 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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