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CDUS43 KLOT 180637
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
135 AM CDT THU MAY 18 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 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         85    340 PM  91    1934  72     13       64       
  MINIMUM         65   1110 PM  32    1930  49     16       43       
  AVERAGE         75                        60     15       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.83          2.25 1969   0.13   0.70      T      
  MONTH TO DATE    2.82                      2.02   0.80     1.95    
  SINCE MAR 1     12.74                      7.69   5.05     8.86    
  SINCE JAN 1     16.77                     10.47   6.30    10.39    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        T   R         0.0    MM   0.0    0.0      0.0     
  MONTH TO DATE    T                         0.0    0.0      0.0     
  SINCE MAR 1      5.1                       5.7   -0.6      2.8     
  SINCE JUL 1     22.1                      36.7  -14.6     24.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         6     -6       11       
  MONTH TO DATE  147                       138      9      174       
  SINCE MAR 1   1303                      1476   -173     1324       
  SINCE JUL 1   5377                      6478  -1101     5510       
                                                                     
 COOLING                                                             
  YESTERDAY       10                         1      9        0       
  MONTH TO DATE   26                        15     11        0       
  SINCE MAR 1     34                        23     11        7       
  SINCE JAN 1     34                        23     11        7       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    40   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    49   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED    18.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    73           500 AM                                     
 LOWEST     47           300 PM                                     
 AVERAGE    60                                                       

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

                                                                     
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        94      1934                    
 MINIMUM TEMPERATURE (F)   49        31      2002                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 18 2017...........SUNRISE   532 AM CDT   SUNSET   814 PM CDT   
MAY 19 2017...........SUNRISE   531 AM CDT   SUNSET   815 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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