329  
CDUS43 KLOT 202137  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CDT MON MAY 20 2024  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MAY 20 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 85 91 2012 74 11 70  
MINIMUM 61 35 2002 52 9 47  
AVERAGE 73 63 10 59  
 
PRECIPITATION (IN)  
TODAY 0.01 0.94 2013 0.16 -0.15 0.00  
MONTH TO DATE 3.94 3.13 0.81 1.19  
SINCE MAR 1 15.58 9.95 5.63 6.01  
SINCE JAN 1 19.43 14.12 5.31 12.67  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 0.6 5.1 -4.5 2.1  
SINCE JUL 1 18.7 33.2 -14.5 16.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 5 -5 6  
MONTH TO DATE 50 142 -92 117  
SINCE MAR 1 1068 1396 -328 1381  
SINCE JUL 1 5028 6002 -974 5655  
 
COOLING  
TODAY 8 2 6 0  
MONTH TO DATE 32 30 2 22  
SINCE MAR 1 48 40 8 31  
SINCE JAN 1 48 40 8 31    
........................................................
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 86 1992  
2007  
2014  
MINIMUM TEMPERATURE (F) 52 32 2002  
 
SUNRISE AND SUNSET  
MAY 20 2024...........SUNRISE 5:28 AM CDT SUNSET 8:10 PM CDT  
MAY 21 2024...........SUNRISE 5:27 AM CDT SUNSET 8:11 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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