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CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
1237 AM CST MON DEC 4 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 3 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         57    230 PM  69    2012  38     19       37       
  MINIMUM         24    734 AM -14    1940  22      2       31       
  AVERAGE         41                        30     11       34      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.73 2011   0.07  -0.07     0.00    
  MONTH TO DATE    0.00                      0.23  -0.23     0.06    
  SINCE DEC 1      0.00                      0.23  -0.23     0.06    
  SINCE JAN 1     44.18                     34.49   9.69    33.34    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           6.5  1990   0.3   -0.3      0.0     
  MONTH TO DATE    0.0                       0.9   -0.9       T      
  SINCE DEC 1      0.0                       0.9   -0.9       T      
  SINCE JUL 1      0.2                       2.7   -2.5       T      
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       24                        35    -11       31       
  MONTH TO DATE   75                       104    -29       88       
  SINCE DEC 1     75                       104    -29       88       
  SINCE JUL 1   1289                      1439   -150      957       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    828                       820      8     1103       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (180)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (180)      
  AVERAGE WIND SPEED     7.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92          1200 AM                                     
 LOWEST     36           200 PM                                     
 AVERAGE    64                                                       

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

                                                                     
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   37        65      1998                    
 MINIMUM TEMPERATURE (F)   22        -4      1991                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER  4 2017......SUNRISE   709 AM CST   SUNSET   425 PM CST   
DECEMBER  5 2017......SUNRISE   710 AM CST   SUNSET   424 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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