AFOS product CLIRFD
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CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
131 AM CDT MON MAY 22 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 21 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         63    126 AM  93    1934  73    -10       80       
  MINIMUM         50   1159 PM  29    2002  50      0       50       
  AVERAGE         57                        62     -5       65      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.70 1940   0.15  -0.15     0.00    
  MONTH TO DATE    3.57                      2.58   0.99     1.95    
  SINCE MAR 1     13.49                      8.25   5.24     8.86    
  SINCE JAN 1     17.52                     11.03   6.49    10.39    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           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        8                         5      3        0       
  MONTH TO DATE  185                       160     25      199       
  SINCE MAR 1   1341                      1498   -157     1349       
  SINCE JUL 1   5415                      6500  -1085     5535       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         2     -2        0       
  MONTH TO DATE   26                        23      3        0       
  SINCE MAR 1     34                        31      3        7       
  SINCE JAN 1     34                        31      3        7       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (230)      
  AVERAGE WIND SPEED    12.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    97          1200 AM                                     
 LOWEST     62          1100 AM                                     
 AVERAGE    80                                                       

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

                                                                     
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        94      1925                    
 MINIMUM TEMPERATURE (F)   50        33      1967                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 22 2017...........SUNRISE   529 AM CDT   SUNSET   818 PM CDT   
MAY 23 2017...........SUNRISE   528 AM CDT   SUNSET   819 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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