AFOS product CLIHWD
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CDUS46 KMTR 010837
CLIHWD


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1237 AM PST SUN JAN 1 2017


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

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 31 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         55   1040 AM  63    2001  57     -2       54       
  MINIMUM         41   1024 PM  34    2007  42     -1       35       
  AVERAGE         48                        49     -1       45      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T                                         0.00    
  MONTH TO DATE    2.50                                      2.59    
  SINCE OCT 1      5.88                                      4.22    
  SINCE JAN 1     14.99                                      7.63    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       17                                        20       
  MONTH TO DATE  442                                       471       
  SINCE DEC 1    442                                       471       
  SINCE JUL 1    745                                       837       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1    357                                       498       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   E (70)       
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NE (50)       
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NE (40)       
  AVERAGE WIND SPEED     5.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    76           600 AM                                     
 LOWEST     46           300 PM                                     
 AVERAGE    61                                                       

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

                                                                     
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   57        64      2001                    
 MINIMUM TEMPERATURE (F)   42        37      2016                    
                                             2014                    
                                             2013                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY  1 2017.......SUNRISE   724 AM PST   SUNSET   501 PM PST   
JANUARY  2 2017.......SUNRISE   724 AM PST   SUNSET   502 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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