824  
CDUS43 KLOT 162138  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
438 PM CDT TUE MAY 16 2023  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MAY 16 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 78 90 2001 73 5 78  
MINIMUM 49 32 1997 50 -1 49  
AVERAGE 64 61 3 64  
 
PRECIPITATION (IN)  
TODAY 0.00 1.04 2019 0.15 -0.15 0.00  
MONTH TO DATE 1.18 2.50 -1.32 1.96  
SINCE MAR 1 6.00 9.32 -3.32 10.89  
SINCE JAN 1 12.66 13.49 -0.83 15.01  
 
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 1 6 -5 1  
MONTH TO DATE 94 122 -28 114  
SINCE MAR 1 1358 1376 -18 1430  
SINCE JUL 1 5632 5982 -350 5833  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 22 22 0 75  
SINCE MAR 1 31 32 -1 80  
SINCE JAN 1 31 32 -1 80    
........................................................
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 89 1996  
MINIMUM TEMPERATURE (F) 51 35 2002  
 
SUNRISE AND SUNSET  
MAY 16 2023...........SUNRISE 5:32 AM CDT SUNSET 8:06 PM CDT  
MAY 17 2023...........SUNRISE 5:31 AM CDT SUNSET 8:07 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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