AFOS product CLIHWD
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CDUS46 KMTR 200845
CLIHWD


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1245 AM PST SAT DEC 20 2014


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

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 19 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         61    337 PM  74    1999  57      4       55       
  MINIMUM         55   1224 AM  31    2006  42     13       44       
  AVERAGE         58                        50      8       50      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.16                                      0.00    
  MONTH TO DATE    7.70                                      0.32    
  SINCE JUL 1      9.71                                      1.20    
  SINCE JAN 1     14.40                                      2.69    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        7                                        15       
  MONTH TO DATE  108                                       287       
  SINCE DEC 1    108                                       287       
  SINCE JUL 1    376                                       728       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1    568                                       250       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SE (150)      
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SE (150)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SE (150)      
  AVERAGE WIND SPEED     9.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           800 PM                                     
 LOWEST     67           600 AM                                     
 AVERAGE    84                                                       

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

                                                                     
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   57        71      1999                    
 MINIMUM TEMPERATURE (F)   42        -1      2013                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 20 2014......SUNRISE   719 AM PST   SUNSET   453 PM PST   
DECEMBER 21 2014......SUNRISE   720 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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