506  
CDUS43 KLOT 212242  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
442 PM CST TUE JAN 21 2025  
   
...............................  
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR JANUARY 21 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 0 59 2017 31 -31 21  
MINIMUM -9 -10 2000 15 -24 -5  
AVERAGE -4 23 -27 8  
 
PRECIPITATION (IN)  
TODAY 0.00 1.08 1999 0.06 -0.06 0.00  
MONTH TO DATE 0.28 1.55 -1.27 2.13  
SINCE DEC 1 2.08 3.70 -1.62 5.43  
SINCE JAN 1 0.28 1.55 -1.27 2.13  
 
SNOWFALL (IN)  
TODAY 0.0 3.0 1998 0.4 -0.4 0.0  
MONTH TO DATE 7.0 6.9 0.1 13.7  
SINCE DEC 1 8.9 14.4 -5.5 14.6  
SINCE JUL 1 11.1 15.7 -4.6 17.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 69 42 27 57  
MONTH TO DATE 975 862 113 935  
SINCE DEC 1 2022 1966 56 1776  
SINCE JUL 1 2884 3158 -274 2897  
 
COOLING  
TODAY 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 TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 55 2002  
MINIMUM TEMPERATURE (F) 15 -5 2014  
 
SUNRISE AND SUNSET  
JANUARY 21 2025.......SUNRISE 7:13 AM CST SUNSET 4:55 PM CST  
JANUARY 22 2025.......SUNRISE 7:12 AM CST SUNSET 4:56 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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