859 
CDUS46 KMTR 040834
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
134 AM PDT SUN SEP 4 2016


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 3 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         66    311 PM  93    1961  74     -8       69       
  MINIMUM         57    739 AM  50    1970  56      1       59       
                                      1947                          
                                      1945                          
  AVERAGE         62                        65     -3       64      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.00 2007   0.01  -0.01     0.00    
  MONTH TO DATE    0.00                      0.01  -0.01     0.00    
  SINCE OCT 1     17.23                     20.49  -3.26    16.59    
  SINCE JAN 1     12.44                     13.13  -0.69     3.63    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE SEP 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        3                         2      1        1       
  MONTH TO DATE    7                         6      1        1       
  SINCE SEP 1      7                         6      1        1       
  SINCE JUL 1    110                       119     -9        6       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         2     -2        0       
  MONTH TO DATE    0                         6     -6        6       
  SINCE SEP 1      0                         6     -6        6       
  SINCE JAN 1     65                       103    -38      200       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  14   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION    SW (240)      
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED    14.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    80           100 AM                                     
 LOWEST     63           300 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        92      2008                    
                                             2004                    
                                             1961                    
 MINIMUM TEMPERATURE (F)   56        50      1989                    
                                             1947                    
                                             1910                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER  4 2016.....SUNRISE   643 AM PDT   SUNSET   733 PM PDT   
SEPTEMBER  5 2016.....SUNRISE   644 AM PDT   SUNSET   732 PM PDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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