226  
CDUS43 KLOT 280639  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
139 AM CDT WED MAY 28 2025  
   
...............................  
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MAY 27 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 67 96 2012 76 -9 75  
MINIMUM 52 33 1992 54 -2 55  
AVERAGE 60 65 -5 65  
 
PRECIPITATION (IN)  
YESTERDAY T 1.63 2019 0.16 -0.16 T  
MONTH TO DATE 1.36 4.19 -2.83 5.41  
SINCE MAR 1 9.20 11.01 -1.81 17.05  
SINCE JAN 1 10.62 15.18 -4.56 20.90  
 
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 MAR 1 2.7 5.1 -2.4 0.6  
SINCE JUL 1 17.5 33.2 -15.7 18.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 3 2 0  
MONTH TO DATE 204 168 36 50  
SINCE MAR 1 1267 1422 -155 1068  
SINCE JUL 1 5605 6028 -423 5028  
 
COOLING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 38 52 -14 55  
SINCE MAR 1 44 62 -18 71  
SINCE JAN 1 44 62 -18 71    
........................................................  
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 2018  
MINIMUM TEMPERATURE (F) 55 33 1992  
 
SUNRISE AND SUNSET  
MAY 28 2025...........SUNRISE 5:23 AM CDT SUNSET 8:17 PM CDT  
MAY 29 2025...........SUNRISE 5:22 AM CDT SUNSET 8:18 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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