AFOS product CLIRFD
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
179 
CDUS43 KLOT 180635
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
134 AM CDT MON SEP 18 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 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         77    134 PM  93    1988  75      2       81       
                                      1927                          
  MINIMUM         54   1140 PM  35    1916  52      2       58       
  AVERAGE         66                        64      2       70      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.21 1970   0.12  -0.12     0.00    
  MONTH TO DATE    0.07                      1.95  -1.88     1.53    
  SINCE SEP 1      0.07                      1.95  -1.88     1.53    
  SINCE JAN 1     36.86                     27.61   9.25    27.45    
                                                                     
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 SEP 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                         4     -4        0       
  MONTH TO DATE   50                        36     14        2       
  SINCE SEP 1     50                        36     14        2       
  SINCE JUL 1     57                        50      7        2       
                                                                     
 COOLING                                                             
  YESTERDAY        1                         2     -1        5       
  MONTH TO DATE   27                        65    -38      104       
  SINCE SEP 1     27                        65    -38      104       
  SINCE JAN 1    711                       792    -81     1021       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     N (340)      
  AVERAGE WIND SPEED     5.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1000 PM                                     
 LOWEST     64           100 PM                                     
 AVERAGE    79                                                       

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

                                                                     
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   75        92      1920                    
 MINIMUM TEMPERATURE (F)   51        32      1929                    
                                             1916                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 18 2017.....SUNRISE   640 AM CDT   SUNSET   700 PM CDT   
SEPTEMBER 19 2017.....SUNRISE   641 AM CDT   SUNSET   658 PM CDT   

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




$$