AFOS product CLIRFD
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CDUS43 KLOT 170653
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
153 AM CDT THU AUG 17 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 16 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         91        MM 104    1988  83      8       85        
  MINIMUM         65        MM  44    1992  62      3       68        
  AVERAGE         78                        72      6       77      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.43          3.58 1968   0.15   0.28      T      
  MONTH TO DATE    0.56                      2.43  -1.87     1.52    
  SINCE JUN 1     15.48                     11.03   4.45    11.58    
  SINCE JAN 1     34.33                     23.50  10.83    23.14    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0    MM   0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE JUN 1      0.0                       0.0    0.0      0.0     
  SINCE JUL 1      0.0                       0.0    0.0      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    1                         0      1        0       
  SINCE JUN 1     12                        34    -22        6       
  SINCE JUL 1      1                         3     -2        0       
                                                                     
 COOLING                                                             
  YESTERDAY       13                         7      6       12       
  MONTH TO DATE   97                       126    -29      175       
  SINCE JUN 1    598                       575     23      705       
  SINCE JAN 1    634                       630      4      790       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (160)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (160)      
  AVERAGE WIND SPEED     9.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  HEAVY RAIN                                                         
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    94           900 PM                                     
 LOWEST     49           100 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   83       102      1988                    
 MINIMUM TEMPERATURE (F)   62        46      1924                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 17 2017........SUNRISE   606 AM CDT   SUNSET   754 PM CDT   
AUGUST 18 2017........SUNRISE   607 AM CDT   SUNSET   752 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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