778  
CDUS43 KLOT 210650  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
150 AM CDT FRI MAR 21 2025  
   
...............................  
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MARCH 20 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 43 84 2012 50 -7 45  
MINIMUM 28 14 2013 31 -3 27  
AVERAGE 36 41 -5 36  
 
PRECIPITATION (IN)  
YESTERDAY 0.30 1.05 2017 0.08 0.22 0.00  
MONTH TO DATE 3.40 1.70 1.70 3.50  
SINCE MAR 1 3.40 1.70 1.70 3.50  
SINCE JAN 1 4.82 5.87 -1.05 7.35  
 
SNOWFALL (IN)  
YESTERDAY 2.4 R 0.5 2010 0.1 2.3 0.0  
MONTH TO DATE 2.7 3.4 -0.7 T  
SINCE MAR 1 2.7 3.4 -0.7 T  
SINCE JUL 1 17.5 31.5 -14.0 18.1  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 24 5 29  
MONTH TO DATE 447 561 -114 395  
SINCE MAR 1 447 561 -114 395  
SINCE JUL 1 4785 5167 -382 4355  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
........................................................  
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 85 2012  
MINIMUM TEMPERATURE (F) 31 12 2013  
 
SUNRISE AND SUNSET  
MARCH 21 2025.........SUNRISE 6:53 AM CDT SUNSET 7:06 PM CDT  
MARCH 22 2025.........SUNRISE 6:52 AM CDT SUNSET 7:07 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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