477  
CDUS43 KLOT 220639  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
139 AM CDT SAT JUL 22 2023  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR JULY 21 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 80 99 2011 85 -5 90  
MINIMUM 62 56 1992 65 -3 63  
2000  
AVERAGE 71 75 -4 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.24 2017 0.16 -0.16 0.00  
MONTH TO DATE 7.16 3.01 4.15 2.18  
SINCE JUN 1 8.36 7.69 0.67 4.21  
SINCE JAN 1 21.12 23.49 -2.37 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 6 10 -4 12  
MONTH TO DATE 163 206 -43 201  
SINCE JUN 1 348 406 -58 411  
SINCE JAN 1 417 483 -66 541    
........................................................
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 93 2001  
MINIMUM TEMPERATURE (F) 65 54 1996  
 
SUNRISE AND SUNSET  
JULY 22 2023..........SUNRISE 5:37 AM CDT SUNSET 8:20 PM CDT  
JULY 23 2023..........SUNRISE 5:38 AM CDT SUNSET 8:19 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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