AFOS product CLIHWD
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CDUS46 KMTR 180827
CLIHWD


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1227 AM PST THU DEC 18 2014


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

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 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         60    140 PM  66    1998  57      3       MM       
  MINIMUM         49    604 AM  34    2008  42      7       MM       
  AVERAGE         55                        50      5       MM      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.10                                      0.00    
  MONTH TO DATE    7.54                                      0.32    
  SINCE JUL 1      9.55                                      1.20    
  SINCE JAN 1     14.24                                      2.69    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                                        MM       
  MONTH TO DATE   95                                       272       
  SINCE DEC 1     95                                       272       
  SINCE JUL 1    363                                       713       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                        MM       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1    568                                       250       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  SE (140)      
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SE (140)      
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    SE (140)      
  AVERAGE WIND SPEED     5.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     67           200 PM                                     
 AVERAGE    84                                                       

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

                                                                     
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 2014......SUNRISE   718 AM PST   SUNSET   452 PM PST   
DECEMBER 19 2014......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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