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CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
1235 AM CST MON DEC 12 2016


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 11 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         32    934 PM  61    1949  34     -2       50       
  MINIMUM         23   1223 AM -18    1972  19      4       38       
  AVERAGE         28                        26      2       44      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.43          0.92 1996   0.08   0.35     0.00    
  MONTH TO DATE    1.06                      0.83   0.23     0.17    
  SINCE DEC 1      1.06                      0.83   0.23     0.17    
  SINCE JAN 1     34.34                     35.09  -0.75    35.55    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        4.3           8.3  2000   0.3    4.0      0.0     
  MONTH TO DATE   11.6                       3.5    8.1      0.9     
  SINCE DEC 1     11.6                       3.5    8.1      0.9     
  SINCE JUL 1     11.6                       5.3    6.3      9.7     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       37                        38     -1       21       
  MONTH TO DATE  402                       400      2      288       
  SINCE DEC 1    402                       400      2      288       
  SINCE JUL 1   1271                      1735   -464     1319       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1103                       820    283      825       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SE (140)      
  AVERAGE WIND SPEED     9.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  SNOW                                                               
  LIGHT SNOW                                                         
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 PM                                     
 LOWEST     81           100 AM                                     
 AVERAGE    91                                                       

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

                                                                     
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   34        60      1991                    
 MINIMUM TEMPERATURE (F)   19        -9      2000                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 12 2016......SUNRISE   716 AM CST   SUNSET   425 PM CST   
DECEMBER 13 2016......SUNRISE   717 AM CST   SUNSET   425 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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