702  
CDUS43 KLOT 192139  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
439 PM CDT TUE MAY 19 2026  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MAY 19 2026
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1992 TO 2026  
 
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST  
VALUE VALUE VALUE FROM YEAR  
NORMAL    
........................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 77 92 1996 74 3 56  
MINIMUM 64 38 1993 51 13 44  
AVERAGE 71 62 9 50  
 
PRECIPITATION (IN)  
TODAY T 1.36 2005 0.16 -0.16 0.00  
MONTH TO DATE 0.94 2.97 -2.03 0.50  
SINCE MAR 1 11.66 9.79 1.87 8.34  
SINCE JAN 1 14.29 13.96 0.33 9.76  
 
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 6.0 5.1 0.9 2.7  
SINCE JUL 1 30.7 33.2 -2.5 17.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 5 -5 15  
MONTH TO DATE 182 137 45 124  
SINCE MAR 1 1156 1391 -235 1187  
SINCE JUL 1 5737 5997 -260 5525  
 
COOLING  
TODAY 6 2 4 0  
MONTH TO DATE 23 28 -5 38  
SINCE MAR 1 36 38 -2 44  
SINCE JAN 1 36 38 -2 44    
........................................................
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 91 2012  
MINIMUM TEMPERATURE (F) 52 35 2002  
 
SUNRISE AND SUNSET  
MAY 19 2026...........SUNRISE 5:29 AM CDT SUNSET 8:09 PM CDT  
MAY 20 2026...........SUNRISE 5:28 AM CDT SUNSET 8:10 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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