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CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
137 AM CDT TUE APR 18 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR APRIL 17 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         72    434 PM  86    1977  61     11       82       
  MINIMUM         42    432 AM  24    1983  39      3       49       
  AVERAGE         57                        50      7       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          3.06 2013   0.12  -0.12     0.00    
  MONTH TO DATE    3.99                      1.89   2.10     1.67    
  SINCE MAR 1      6.78                      4.21   2.57     5.68    
  SINCE JAN 1     10.81                      6.99   3.82     7.21    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.5  1926   0.1   -0.1      0.0     
                                      1940                          
  MONTH TO DATE    T                         0.8   -0.8      0.4     
  SINCE MAR 1      5.1                       5.6   -0.5      2.8     
  SINCE JUL 1     22.1                      36.6  -14.5     24.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        8                        15     -7        0       
  MONTH TO DATE  205                       310   -105      345       
  SINCE MAR 1   1007                      1172   -165     1024       
  SINCE JUL 1   5081                      6174  -1093     5210       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        1       
  MONTH TO DATE    7                         0      7        1       
  SINCE MAR 1      7                         0      7        1       
  SINCE JAN 1      7                         0      7        1       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     E (80)       
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     6.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83           500 AM                                     
 LOWEST     28          1200 PM                                     
 AVERAGE    56                                                       

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

                                                                     
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   62        91      2002                    
 MINIMUM TEMPERATURE (F)   39        22      1990                    
                                             1983                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 18 2017.........SUNRISE   611 AM CDT   SUNSET   741 PM CDT   
APRIL 19 2017.........SUNRISE   609 AM CDT   SUNSET   743 PM CDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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