CDUS43 KLOT 190649
CLILOT

CLIMATE REPORT 
NATIONAL WEATHER SERVICE CHICAGO IL
149 AM CDT TUE MAY 19 2026

...................................

...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MAY 18 2026...

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)                                                          
 YESTERDAY                                                           
  MAXIMUM         77     93    1998  73      4       69               
  MINIMUM         64     31    2002  51     13       45               
  AVERAGE         71                 62      9       57            

PRECIPITATION (IN)                                                    
  YESTERDAY        0.29   1.22 2000   0.16   0.13     0.00            
  MONTH TO DATE    0.94               2.81  -1.87     0.50            
  SINCE MAR 1     11.66               9.63   2.03     8.34            
  SINCE JAN 1     14.29              13.80   0.49     9.76            

SNOWFALL (IN)                                                              
  YESTERDAY        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                                                              
  YESTERDAY        0                  5     -5        8               
  MONTH TO DATE  182                132     50      109               
  SINCE MAR 1   1156               1386   -230     1172               
  SINCE JUL 1   5737               5992   -255     5510               

 COOLING                                                              
  YESTERDAY        6                  2      4        0               
  MONTH TO DATE   17                 26     -9       38               
  SINCE MAR 1     30                 36     -6       44               
  SINCE JAN 1     30                 36     -6       44               
............................................................


THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   74        92      1996                      
 MINIMUM TEMPERATURE (F)   51        38      1993                      


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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