AFOS product CLIHWD
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CDUS46 KMTR 310835
CLIHWD


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1234 AM PST SAT DEC 31 2016


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

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 30 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         61    316 PM  63    2013  57      4       54       
  MINIMUM         42    637 AM  35    2015  42      0       35       
                                      2010                          
  AVERAGE         52                        49      3       45      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      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       13                                        20       
  MONTH TO DATE  425                                       451       
  SINCE DEC 1    425                                       451       
  SINCE JUL 1    728                                       817       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1    357                                       498       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   W (280)      
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     4.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    77           600 PM                                     
 LOWEST     42           300 PM                                     
 AVERAGE    60                                                       

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

                                                                     
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   57        63      2001                    
 MINIMUM TEMPERATURE (F)   42        34      2007                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 31 2016......SUNRISE   723 AM PST   SUNSET   500 PM PST   
JANUARY  1 2017.......SUNRISE   724 AM PST   SUNSET   501 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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