AFOS product CLIRFD
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CDUS43 KLOT 010637
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
137 AM CDT FRI SEP 1 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 31 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    206 PM 101    1953  81     -9       79       
  MINIMUM         55   1153 PM  41    1915  59     -4       61       
  AVERAGE         64                        70     -6       70      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.32 1981   0.14  -0.14     0.00    
  MONTH TO DATE    3.02                      4.59  -1.57     4.30    
  SINCE JUN 1     17.94                     13.19   4.75    14.36    
  SINCE JAN 1     36.79                     25.66  11.13    25.92    
                                                                     
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        1                         1      0        0       
  MONTH TO DATE    7                         6      1        0       
  SINCE JUN 1     18                        45    -27        6       
  SINCE JUL 1      7                        14     -7        0       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         6     -6        5       
  MONTH TO DATE  147                       223    -76      302       
  SINCE JUN 1    648                       672    -24      832       
  SINCE JAN 1    684                       727    -43      917       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     E (70)       
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NE (50)       
  AVERAGE WIND SPEED    12.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           200 AM                                     
 LOWEST     49           200 PM                                     
 AVERAGE    68                                                       

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

                                                                     
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   80       102      1953                    
 MINIMUM TEMPERATURE (F)   59        41      1949                    
                                             1909                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER  1 2017.....SUNRISE   622 AM CDT   SUNSET   730 PM CDT   
SEPTEMBER  2 2017.....SUNRISE   623 AM CDT   SUNSET   728 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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