AFOS product CLIRFD
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CDUS43 KLOT 180637
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
136 AM CDT FRI AUG 18 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 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         81    430 PM 102    1988  83     -2       86       
  MINIMUM         68   1159 PM  46    1924  62      6       68       
  AVERAGE         75                        72      3       77      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.05          2.03 1979   0.17  -0.12      T      
  MONTH TO DATE    0.61                      2.60  -1.99     1.52    
  SINCE JUN 1     15.53                     11.20   4.33    11.58    
  SINCE JAN 1     34.38                     23.67  10.71    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       10                         7      3       12       
  MONTH TO DATE  107                       133    -26      187       
  SINCE JUN 1    608                       582     26      717       
  SINCE JAN 1    644                       637      7      802       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    SW (240)      
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (250)      
  AVERAGE WIND SPEED    12.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    90           500 AM                                     
 LOWEST     58           200 PM                                     
 AVERAGE    74                                                       

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

                                                                     
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   82       101      1936                    
 MINIMUM TEMPERATURE (F)   61        45      1963                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 18 2017........SUNRISE   607 AM CDT   SUNSET   752 PM CDT   
AUGUST 19 2017........SUNRISE   608 AM CDT   SUNSET   751 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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