498  
CDUS43 KLOT 200631  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT MON MAY 20 2024  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MAY 19 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 78 92 1996 74 4 74  
MINIMUM 61 38 1993 51 10 51  
AVERAGE 70 62 8 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.36 2005 0.16 -0.16 0.01  
MONTH TO DATE 3.93 2.97 0.96 1.19  
SINCE MAR 1 15.57 9.79 5.78 6.01  
SINCE JAN 1 19.42 13.96 5.46 12.67  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 0 5 -5 2  
MONTH TO DATE 50 137 -87 111  
SINCE MAR 1 1068 1391 -323 1375  
SINCE JUL 1 5028 5997 -969 5649  
 
COOLING  
YESTERDAY 5 2 3 0  
MONTH TO DATE 24 28 -4 22  
SINCE MAR 1 40 38 2 31  
SINCE JAN 1 40 38 2 31    
........................................................
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 91 2012  
MINIMUM TEMPERATURE (F) 52 35 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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