AFOS product CLIRFD
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CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
134 AM CDT MON AUG 21 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 20 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         82    208 PM 100    1947  82      0       78       
  MINIMUM         60    452 AM  47    1940  61     -1       61       
                                      1897                          
  AVERAGE         71                        72     -1       70      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.37 1937   0.15  -0.15     0.42    
  MONTH TO DATE    0.61                      3.05  -2.44     2.44    
  SINCE JUN 1     15.53                     11.65   3.88    12.50    
  SINCE JAN 1     34.38                     24.12  10.26    24.06    
                                                                     
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        6                         7     -1        5       
  MONTH TO DATE  124                       154    -30      216       
  SINCE JUN 1    625                       603     22      746       
  SINCE JAN 1    661                       658      3      831       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     4.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    97           100 AM                                     
 LOWEST     58           200 PM                                     
 AVERAGE    78                                                       

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

                                                                     
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   82       100      1955                    
                                             1916                    
 MINIMUM TEMPERATURE (F)   61        45      1950                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 21 2017........SUNRISE   610 AM CDT   SUNSET   748 PM CDT   
AUGUST 22 2017........SUNRISE   612 AM CDT   SUNSET   746 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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