617  
CDUS43 KLOT 220631  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT WED MAY 22 2024  
   
...............................  
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MAY 21 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 89R 86 1992 74 15 80  
2007  
2014  
MINIMUM 62 32 2002 52 10 49  
AVERAGE 76 63 13 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.08 2018 0.15 -0.15 0.00  
MONTH TO DATE 3.94 3.28 0.66 1.19  
SINCE MAR 1 15.58 10.10 5.48 6.01  
SINCE JAN 1 19.43 14.27 5.16 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 4 -4 0  
MONTH TO DATE 50 146 -96 117  
SINCE MAR 1 1068 1400 -332 1381  
SINCE JUL 1 5028 6006 -978 5655  
 
COOLING  
YESTERDAY 11 3 8 0  
MONTH TO DATE 43 33 10 22  
SINCE MAR 1 59 43 16 31  
SINCE JAN 1 59 43 16 31    
........................................................  
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 88 2007  
MINIMUM TEMPERATURE (F) 52 32 1997  
 
SUNRISE AND SUNSET  
MAY 22 2024...........SUNRISE 5:26 AM CDT SUNSET 8:12 PM CDT  
MAY 23 2024...........SUNRISE 5:26 AM CDT SUNSET 8:13 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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