303  
CDUS43 KLOT 010645  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1245 AM CST WED JAN 01 2025  
   
...............................  
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR DECEMBER 31 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1992 TO 2024  
 
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST  
VALUE VALUE VALUE FROM YEAR  
NORMAL    
........................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 42 58 2006 33 9 35  
MINIMUM 32 -4 2017 18 14 30  
AVERAGE 37 26 11 33  
 
PRECIPITATION (IN)  
YESTERDAY 0.26 1.57 2010 0.07 0.19 0.01  
MONTH TO DATE 1.80 2.15 -0.35 3.30  
SINCE DEC 1 1.80 2.15 -0.35 3.30  
SINCE JAN 1 41.62 41.14 0.48 38.40  
 
SNOWFALL (IN)  
YESTERDAY T 2.0 2007 0.3 -0.3 0.2  
MONTH TO DATE 1.9 7.5 -5.6 0.9  
SINCE DEC 1 1.9 7.5 -5.6 0.9  
SINCE JUL 1 4.1 8.8 -4.7 3.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 39 -11 32  
MONTH TO DATE 1047 1103 -56 841  
SINCE DEC 1 1047 1103 -56 841  
SINCE JUL 1 1909 2295 -386 1962  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1040 947 93 871    
........................................................  
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 50 2000  
MINIMUM TEMPERATURE (F) 18 -14 2018  
 
SUNRISE AND SUNSET  
JANUARY 1 2025.......SUNRISE 7:19 AM CST SUNSET 4:33 PM CST  
JANUARY 2 2025.......SUNRISE 7:19 AM CST SUNSET 4:34 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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