AFOS product CLIHWD
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CDUS46 KMTR 160831
CLIHWD


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1231 AM PST FRI DEC 16 2016


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

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 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         63   1248 PM  68    1998  57      6       57       
  MINIMUM         52   1159 PM  35    2015  42     10       35       
                                      2013                          
  AVERAGE         58                        50      8       46      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.86                                      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        7                                        19       
  MONTH TO DATE  171                                       188       
  SINCE DEC 1    171                                       188       
  SINCE JUL 1    474                                       554       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1    357                                       498       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   S (170)      
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED    14.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89           900 PM                                     
 LOWEST     64           600 AM                                     
 AVERAGE    77                                                       

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

                                                                     
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   57        70      1998                    
 MINIMUM TEMPERATURE (F)   42        35      2011                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 16 2016......SUNRISE   717 AM PST   SUNSET   452 PM PST   
DECEMBER 17 2016......SUNRISE   718 AM PST   SUNSET   452 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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