951  
CDUS43 KLOT 170642  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1242 AM CST FRI JAN 17 2025  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR JANUARY 16 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 37 51 2023 31 6 2  
MINIMUM 17 -24 2009 16 1 -8  
AVERAGE 27 23 4 -3  
 
PRECIPITATION (IN)  
YESTERDAY T 0.63 2017 0.07 -0.07 0.00  
MONTH TO DATE 0.28 1.21 -0.93 2.08  
SINCE DEC 1 2.08 3.36 -1.28 5.38  
SINCE JAN 1 0.28 1.21 -0.93 2.08  
 
SNOWFALL (IN)  
YESTERDAY T 3.2 2002 0.4 -0.4 0.0  
MONTH TO DATE 7.0 5.1 1.9 12.4  
SINCE DEC 1 8.9 12.6 -3.7 13.3  
SINCE JUL 1 11.1 13.9 -2.8 15.9  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 38 42 -4 68  
MONTH TO DATE 720 652 68 661  
SINCE DEC 1 1767 1756 11 1502  
SINCE JUL 1 2629 2948 -319 2623  
 
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) 31 56 1996  
MINIMUM TEMPERATURE (F) 16 -15 1994  
1997  
 
SUNRISE AND SUNSET  
JANUARY 17 2025.......SUNRISE 7:16 AM CST SUNSET 4:50 PM CST  
JANUARY 18 2025.......SUNRISE 7:15 AM CST SUNSET 4:51 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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