691  
CDUS43 KLOT 220631  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT TUE APR 22 2025  
   
...............................  
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR APRIL 21 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1992 TO 2025  
 
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST  
VALUE VALUE VALUE FROM YEAR  
NORMAL    
........................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 63 79 2001 63 0 57  
MINIMUM 43 30 1993 41 2 32  
2011  
2021  
AVERAGE 53 52 1 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 0.45 2001 0.15 -0.12 0.00  
2002  
MONTH TO DATE 3.23 2.68 0.55 1.72  
SINCE MAR 1 7.15 5.39 1.76 7.60  
SINCE JAN 1 8.57 9.56 -0.99 11.45  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.1 -0.1 0.0  
MONTH TO DATE T 0.8 -0.8 T  
SINCE MAR 1 2.7 5.0 -2.3 0.6  
SINCE JUL 1 17.5 33.1 -15.6 18.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 13 -1 20  
MONTH TO DATE 362 348 14 285  
SINCE MAR 1 1002 1154 -152 930  
SINCE JUL 1 5340 5760 -420 4890  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 2 0 2 9  
SINCE MAR 1 2 3 -1 9  
SINCE JAN 1 2 3 -1 9    
........................................................  
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 83 2007  
MINIMUM TEMPERATURE (F) 42 27 2021  
 
SUNRISE AND SUNSET  
APRIL 22 2025.........SUNRISE 6:01 AM CDT SUNSET 7:41 PM CDT  
APRIL 23 2025.........SUNRISE 6:00 AM CDT SUNSET 7:42 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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