AFOS product CLIRFD
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CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
1234 AM CST SUN DEC 18 2016


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 17 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         20    305 AM  50    2006  32    -12       34       
                                      1977                          
                                      1941                          
  MINIMUM         13   1159 PM -12    1945  17     -4       26       
  AVERAGE         17                        25     -8       30      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.13          0.80 1921   0.06   0.07     0.00    
  MONTH TO DATE    1.38                      1.21   0.17     2.01    
  SINCE DEC 1      1.38                      1.21   0.17     2.01    
  SINCE JAN 1     34.66                     35.47  -0.81    37.39    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        2.0           3.8  1951   0.4    1.6      0.0     
  MONTH TO DATE   15.0                       5.9    9.1      0.9     
  SINCE DEC 1     15.0                       5.9    9.1      0.9     
  SINCE JUL 1     15.0                       7.7    7.3      9.7     
  SNOW DEPTH       7                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       48                        40      8       35       
  MONTH TO DATE  727                       638     89      406       
  SINCE DEC 1    727                       638     89      406       
  SINCE JUL 1   1596                      1973   -377     1437       
                                                                     
 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    23   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED    11.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    84           200 AM                                     
 LOWEST     74          1200 PM                                     
 AVERAGE    79                                                       

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

                                                                     
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   32        55      1941                    
 MINIMUM TEMPERATURE (F)   17       -17      1983                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 18 2016......SUNRISE   720 AM CST   SUNSET   426 PM CST   
DECEMBER 19 2016......SUNRISE   721 AM CST   SUNSET   427 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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