530  
CDUS43 KLOT 200643  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1243 AM CST THU FEB 20 2025  
   
...............................  
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR FEBRUARY 19 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 15 67 2017 38 -23 50  
MINIMUM 4 -8 2015 21 -17 20  
AVERAGE 10 29 -19 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.03 2018 0.08 -0.08 0.00  
MONTH TO DATE 0.29 1.27 -0.98 0.29  
SINCE DEC 1 3.21 5.61 -2.40 7.02  
SINCE JAN 1 1.41 3.46 -2.05 3.72  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.2 2013 0.3 -0.3 0.0  
MONTH TO DATE 3.2 6.5 -3.3 0.1  
SINCE DEC 1 12.6 24.6 -12.0 14.8  
SINCE JUL 1 14.8 25.9 -11.1 17.4  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 55 36 19 30  
MONTH TO DATE 787 733 54 556  
SINCE DEC 1 3195 3111 84 2629  
SINCE JUL 1 4057 4303 -246 3750  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 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) 38 69 2017  
MINIMUM TEMPERATURE (F) 21 -7 2015  
 
SUNRISE AND SUNSET  
FEBRUARY 20 2025......SUNRISE 6:40 AM CST SUNSET 5:32 PM CST  
FEBRUARY 21 2025......SUNRISE 6:39 AM CST SUNSET 5:34 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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