679 
CDUS43 KLOT 212235
CLILOT

CLIMATE REPORT 
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CST TUE DEC 21 2021

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

...THE ROMEOVILLE  WFO CLIMATE SUMMARY FOR DECEMBER 21 2021...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1992 TO 2021


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         41        MM  53    2015  35      6       46        
  MINIMUM         23        MM  -8    2000  21      2       30        
  AVERAGE         32                        28      4              

PRECIPITATION (IN)                                                    
  TODAY            0.00          0.75 2015   0.07  -0.07      T       
  MONTH TO DATE    1.47                      1.44   0.03     1.50     
  SINCE DEC 1      1.47                      1.44   0.03     1.50     
  SINCE JAN 1     32.43                     40.43  -8.00    34.73     

SNOWFALL (IN)                                                              
  TODAY            0.0           0.3  2009   0.2   -0.2       T       
  MONTH TO DATE    T                         4.5   -4.5      0.1      
  SINCE DEC 1      T                         4.5   -4.5      0.1      
  SINCE JUL 1      0.6                       5.8   -5.2      1.6      

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY           33                        37     -4       27        
  MONTH TO DATE  568                       719   -151      655        
  SINCE DEC 1    568                       719   -151      655        
  SINCE JUL 1   1595                      1911   -316     1761        

 COOLING                                                              
  TODAY            0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE DEC 1      0                         0      0        0        
  SINCE JAN 1   1176                       947    229     1057        
...................................................................


THE ROMEOVILLE  WFO CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   35        53      2006                      
 MINIMUM TEMPERATURE (F)   20       -11      2000                      


SUNRISE AND SUNSET                                                    
DECEMBER 21 2021......SUNRISE   7:16 AM CST   SUNSET   4:25 PM CST     
DECEMBER 22 2021......SUNRISE   7:16 AM CST   SUNSET   4:26 PM CST     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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