718  
CDUS43 KLOT 202137  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CDT THU APR 20 2023  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR APRIL 20 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 78R 78 2014 63 15 51  
MINIMUM 60 29 2013 41 19 40  
AVERAGE 69 52 17 46  
 
PRECIPITATION (IN)  
TODAY 0.09 1.62 2004 0.14 -0.05 0.37  
MONTH TO DATE 1.30 2.53 -1.23 2.57  
SINCE MAR 1 4.32 5.24 -0.92 7.26  
SINCE JAN 1 10.98 9.41 1.57 11.38  
 
SNOWFALL (IN)  
TODAY 0.0 1.1 2021 0.0 0.0 0.0  
MONTH TO DATE 0.1 0.7 -0.6 0.4  
SINCE MAR 1 2.1 4.9 -2.8 3.7  
SINCE JUL 1 16.1 33.0 -16.9 32.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 13 -13 19  
MONTH TO DATE 238 335 -97 430  
SINCE MAR 1 1067 1141 -74 1200  
SINCE JUL 1 5341 5747 -406 5603  
 
COOLING  
TODAY 4 0 4 0  
MONTH TO DATE 13 0 13 0  
SINCE MAR 1 13 3 10 0  
SINCE JAN 1 13 3 10 0    
........................................................
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 79 2001  
MINIMUM TEMPERATURE (F) 41 30 2011  
2013  
2021  
 
SUNRISE AND SUNSET  
APRIL 20 2023.........SUNRISE 6:05 AM CDT SUNSET 7:38 PM CDT  
APRIL 21 2023.........SUNRISE 6:04 AM CDT SUNSET 7:39 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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