856 
CDUS43 KLOT 200637
CLILOT


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
1237 AM CST TUE DEC 20 2016


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

...THE ROMEOVILLE  WFO CLIMATE SUMMARY FOR DECEMBER 19 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1992 TO 2016


WEATHER ITEM   OBSERVED RECORD YEAR NORMAL DEPARTURE LAST            
                VALUE   VALUE       VALUE  FROM      YEAR            
                                           NORMAL                    
...........................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         14     55    2002  33    -19       30               
  MINIMUM        -12R    -5    2005  19    -31       16               
  AVERAGE          1                 26    -25       23             
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00   0.80 2008   0.07  -0.07     0.00           
  MONTH TO DATE    1.14               1.38  -0.24     1.81           
  SINCE DEC 1      1.14               1.38  -0.24     1.81           
  SINCE JAN 1     39.24              39.20   0.04    41.68           
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0    1.3  2008   0.3   -0.3      0.0            
  MONTH TO DATE   17.2                5.1   12.1      1.5            
  SINCE DEC 1     17.2                5.1   12.1      1.5            
  SINCE JUL 1     17.2                6.0   11.2      6.2            
  SNOW DEPTH       7                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       64                 39     25                       
  MONTH TO DATE  842                671    171                       
  SINCE DEC 1    842                671    171                       
  SINCE JUL 1   1698               1890   -192                       
                                                                     
 COOLING                                                             
  YESTERDAY        0                  0      0                       
  MONTH TO DATE    0                  0      0                       
  SINCE DEC 1      0                  0      0                       
  SINCE JAN 1   1145                862    283                       
...........................................................






                                                                     
THE ROMEOVILLE  WFO CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   33        50      2015                    
                                             2012                    
 MINIMUM TEMPERATURE (F)   18        -8      2000                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 20 2016......SUNRISE   715 AM CST   SUNSET   425 PM CST   
DECEMBER 21 2016......SUNRISE   716 AM CST   SUNSET   426 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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