AFOS product CLIHWD
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CLIHWD


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1245 AM PST SUN DEC 18 2016


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

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         52    327 PM  66    1998  57     -5       59       
  MINIMUM         34R   658 AM  34    2008  42     -8       39       
  AVERAGE         43                        50     -7       49      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    1.94                                      1.31    
  SINCE OCT 1      5.32                                      2.94    
  SINCE JAN 1     14.43                                      6.35    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       22                                        16       
  MONTH TO DATE  209                                       222       
  SINCE DEC 1    209                                       222       
  SINCE JUL 1    512                                       588       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1    357                                       498       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  NE (40)       
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    NE (60)       
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION    NE (60)       
  AVERAGE WIND SPEED     3.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    82           700 AM                                     
 LOWEST     30           400 PM                                     
 AVERAGE    56                                                       

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

                                                                     
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   57        65      2009                    
 MINIMUM TEMPERATURE (F)   42        33      2006                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 18 2016......SUNRISE   718 AM PST   SUNSET   452 PM PST   
DECEMBER 19 2016......SUNRISE   719 AM PST   SUNSET   453 PM PST   

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




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