AFOS product CLIRFD
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
810 
CDUS43 KLOT 200637
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
1237 AM CST TUE DEC 20 2016


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 19 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         13   1159 PM  56    1988  32    -19       30       
  MINIMUM        -13    417 AM -21    1983  16    -29       13       
  AVERAGE          0                        24    -24       22      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.91 1987   0.06  -0.06     0.00    
  MONTH TO DATE    1.40                      1.33   0.07     2.01    
  SINCE DEC 1      1.40                      1.33   0.07     2.01    
  SINCE JAN 1     34.68                     35.59  -0.91    37.39    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           6.8  2008   0.3   -0.3      0.0     
  MONTH TO DATE   15.3                       6.6    8.7      1.2     
  SINCE DEC 1     15.3                       6.6    8.7      1.2     
  SINCE JUL 1     15.3                       8.4    6.9     10.0     
  SNOW DEPTH       9                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       65                        41     24       43       
  MONTH TO DATE  856                       720    136      488       
  SINCE DEC 1    856                       720    136      488       
  SINCE JUL 1   1725                      2055   -330     1519       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1103                       820    283      825       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED    10.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    79           700 AM                                     
 LOWEST     57          1200 PM                                     
 AVERAGE    68                                                       

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

                                                                     
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   32        59      1949                    
 MINIMUM TEMPERATURE (F)   16       -20      1963                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 20 2016......SUNRISE   721 AM CST   SUNSET   427 PM CST   
DECEMBER 21 2016......SUNRISE   722 AM CST   SUNSET   428 PM CST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




$$