307  
CDUS43 KLOT 010640  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
140 AM CDT THU JUN 01 2023  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MAY 31 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1992 TO 2023  
 
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST  
VALUE VALUE VALUE FROM YEAR  
NORMAL    
........................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 88 2002 78 9 86  
2014  
2016  
MINIMUM 66 43 1993 56 10 72  
2003  
2015  
AVERAGE 77 67 10 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 1.61 2000 0.16 -0.07 T  
MONTH TO DATE 1.28 4.81 -3.53 4.64  
SINCE MAR 1 6.10 11.63 -5.53 13.57  
SINCE JAN 1 12.76 15.80 -3.04 17.69  
 
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 2.1 5.1 -3.0 3.7  
SINCE JUL 1 16.1 33.2 -17.1 32.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 139 179 -40 175  
SINCE MAR 1 1403 1433 -30 1491  
SINCE JUL 1 5677 6039 -362 5894  
 
COOLING  
YESTERDAY 12 4 8 14  
MONTH TO DATE 60 67 -7 125  
SINCE MAR 1 69 77 -8 130  
SINCE JAN 1 69 77 -8 130    
........................................................
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 92 2002  
MINIMUM TEMPERATURE (F) 56 38 1993  
 
SUNRISE AND SUNSET  
JUNE 1 2023..........SUNRISE 5:21 AM CDT SUNSET 8:20 PM CDT  
JUNE 2 2023..........SUNRISE 5:20 AM CDT SUNSET 8:21 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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