629  
CDUS43 KLOT 152139  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
439 PM CDT MON MAY 15 2023  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MAY 15 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 69 90 2001 72 -3 77  
MINIMUM 51 35 2016 50 1 52  
AVERAGE 60 61 -1 65  
 
PRECIPITATION (IN)  
TODAY 0.00 1.60 2009 0.15 -0.15 0.06  
MONTH TO DATE 1.18 2.35 -1.17 1.96  
SINCE MAR 1 6.00 9.17 -3.17 10.89  
SINCE JAN 1 12.66 13.34 -0.68 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 5 6 -1 0  
MONTH TO DATE 92 116 -24 113  
SINCE MAR 1 1356 1370 -14 1429  
SINCE JUL 1 5630 5976 -346 5832  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 22 20 2 75  
SINCE MAR 1 31 30 1 80  
SINCE JAN 1 31 30 1 80    
........................................................
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 90 2001  
MINIMUM TEMPERATURE (F) 50 32 1997  
 
SUNRISE AND SUNSET  
MAY 15 2023...........SUNRISE 5:33 AM CDT SUNSET 8:05 PM CDT  
MAY 16 2023...........SUNRISE 5:32 AM CDT SUNSET 8:06 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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