AFOS product CLISFO
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CDUS46 KMTR 280829
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
129 AM PDT WED SEP 28 2016


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 27 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         79    259 PM  96    2010  73      6       71       
                                      1958                          
  MINIMUM         56   1159 PM  47    1955  55      1       57       
                                      1948                          
  AVERAGE         68                        64      4       64      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.81 1957   0.00   0.00     0.00    
  MONTH TO DATE    0.00                      0.13  -0.13      T      
  SINCE OCT 1     17.23                     20.61  -3.38    16.59    
  SINCE JAN 1     12.44                     13.25  -0.81     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        0                         2     -2        1       
  MONTH TO DATE   46                        54     -8       14       
  SINCE SEP 1     46                        54     -8       14       
  SINCE JUL 1    149                       167    -18       19       
                                                                     
 COOLING                                                             
  YESTERDAY        3                         1      2        0       
  MONTH TO DATE   60                        42     18       92       
  SINCE SEP 1     60                        42     18       92       
  SINCE JAN 1    125                       139    -14      286       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  NW (300)      
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     9.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    80           900 PM                                     
 LOWEST     32           300 PM                                     
 AVERAGE    56                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        95      2010                    
 MINIMUM TEMPERATURE (F)   55        47      1947                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 28 2016.....SUNRISE   703 AM PDT   SUNSET   656 PM PDT   
SEPTEMBER 29 2016.....SUNRISE   704 AM PDT   SUNSET   655 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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