642  
CDUS43 KLOT 010633  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1233 AM CST SAT FEB 01 2025  
   
...............................  
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR JANUARY 31 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 40 57 2012 32 8 36  
MINIMUM 33 -24 2019 16 17 33  
AVERAGE 37 24 13 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.60 0.63 2002 0.06 0.54 0.00  
MONTH TO DATE 1.12 2.19 -1.07 3.43  
SINCE DEC 1 2.92 4.34 -1.42 6.73  
SINCE JAN 1 1.12 2.19 -1.07 3.43  
 
SNOWFALL (IN)  
YESTERDAY T 6.3 2021 0.4 -0.4 0.0  
MONTH TO DATE 7.5 10.6 -3.1 13.8  
SINCE DEC 1 9.4 18.1 -8.7 14.7  
SINCE JUL 1 11.6 19.4 -7.8 17.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 41 -13 30  
MONTH TO DATE 1361 1277 84 1232  
SINCE DEC 1 2408 2381 27 2073  
SINCE JUL 1 3270 3573 -303 3194  
 
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) 32 52 2024  
MINIMUM TEMPERATURE (F) 16 -7 1996  
 
SUNRISE AND SUNSET  
FEBRUARY 1 2025......SUNRISE 7:04 AM CST SUNSET 5:09 PM CST  
FEBRUARY 2 2025......SUNRISE 7:03 AM CST SUNSET 5:10 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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