311  
CDUS43 KLOT 222134  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT MON MAY 22 2023  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MAY 22 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 82 88 2007 75 7 62  
MINIMUM 56 32 1997 52 4 48  
AVERAGE 69 64 5 55  
 
PRECIPITATION (IN)  
TODAY 0.00 0.38 1993 0.16 -0.16 0.00  
MONTH TO DATE 1.19 3.44 -2.25 3.11  
SINCE MAR 1 6.01 10.26 -4.25 12.04  
SINCE JAN 1 12.67 14.43 -1.76 16.16  
 
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 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  
TODAY 0 4 -4 10  
MONTH TO DATE 117 150 -33 143  
SINCE MAR 1 1381 1404 -23 1459  
SINCE JUL 1 5655 6010 -355 5862  
 
COOLING  
TODAY 4 3 1 0  
MONTH TO DATE 26 36 -10 85  
SINCE MAR 1 35 46 -11 90  
SINCE JAN 1 35 46 -11 90    
........................................................
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 90 2007  
2010  
MINIMUM TEMPERATURE (F) 53 40 1992  
 
SUNRISE AND SUNSET  
MAY 22 2023...........SUNRISE 5:27 AM CDT SUNSET 8:12 PM CDT  
MAY 23 2023...........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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