AFOS product CLIRFD
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
540 
CDUS43 KLOT 220636
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
1236 AM CST THU DEC 22 2016


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 21 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         36   1159 PM  56    1967  31      5       50       
  MINIMUM         17    414 AM -20    1963  16      1       40       
  AVERAGE         27                        24      3       45      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.63 2015   0.06  -0.06     0.63    
  MONTH TO DATE    1.40                      1.45  -0.05     2.65    
  SINCE DEC 1      1.40                      1.45  -0.05     2.65    
  SINCE JAN 1     34.68                     35.71  -1.03    38.03    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           4.6  1983   0.4   -0.4      0.0     
  MONTH TO DATE   15.3                       7.4    7.9      1.2     
  SINCE DEC 1     15.3                       7.4    7.9      1.2     
  SINCE JUL 1     15.3                       9.2    6.1     10.0     
  SNOW DEPTH       8                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       38                        41     -3       20       
  MONTH TO DATE  937                       802    135      533       
  SINCE DEC 1    937                       802    135      533       
  SINCE JUL 1   1806                      2137   -331     1564       
                                                                     
 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 (180)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     8.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    84           200 AM                                     
 LOWEST     64           600 PM                                     
 AVERAGE    74                                                       

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

                                                                     
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   31        55      1957                    
 MINIMUM TEMPERATURE (F)   16       -19      1989                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 22 2016......SUNRISE   722 AM CST   SUNSET   428 PM CST   
DECEMBER 23 2016......SUNRISE   723 AM CST   SUNSET   429 PM CST   

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




$$