AFOS product CLIRFD
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CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
1233 AM CST SAT DEC 17 2016


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 16 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         19   1159 PM  58    1984  33    -14       53       
  MINIMUM          7   1224 AM -14    1932  17    -10       33       
  AVERAGE         13                        25    -12       43      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.19          1.12 1921   0.06   0.13     0.17    
  MONTH TO DATE    1.25                      1.15   0.10     2.01    
  SINCE DEC 1      1.25                      1.15   0.10     2.01    
  SINCE JAN 1     34.53                     35.41  -0.88    37.39    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        1.4           3.6  2008   0.4    1.0      0.0     
  MONTH TO DATE   13.0                       5.5    7.5      0.9     
  SINCE DEC 1     13.0                       5.5    7.5      0.9     
  SINCE JUL 1     13.0                       7.3    5.7      9.7     
  SNOW DEPTH       5                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       52                        40     12       22       
  MONTH TO DATE  679                       598     81      371       
  SINCE DEC 1    679                       598     81      371       
  SINCE JUL 1   1548                      1933   -385     1402       
                                                                     
 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    SE (150)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SE (140)      
  AVERAGE WIND SPEED     8.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92          1100 PM                                     
 LOWEST     61          1100 AM                                     
 AVERAGE    77                                                       

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

                                                                     
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   32        50      2006                    
                                             1977                    
                                             1941                    
 MINIMUM TEMPERATURE (F)   17       -12      1945                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 17 2016......SUNRISE   720 AM CST   SUNSET   426 PM CST   
DECEMBER 18 2016......SUNRISE   720 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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