AFOS product CLISFO
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CDUS46 KMTR 270828
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
128 AM PDT SUN SEP 27 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 26 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         71    331 PM  95    1958  73     -2       74       
  MINIMUM         57    652 AM  46    1948  55      2       62       
  AVERAGE         64                        64      0       68      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.27 1972   0.01  -0.01     0.00    
  MONTH TO DATE    T                         0.13  -0.13     0.42    
  SINCE OCT 1     16.59                     20.61  -4.02     8.99    
  SINCE JAN 1      3.63                     13.25  -9.62     7.73    
                                                                     
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        1                         2     -1        0       
  MONTH TO DATE   13                        52    -39        3       
  SINCE SEP 1     13                        52    -39        3       
  SINCE JUL 1     18                       165   -147       23       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        3       
  MONTH TO DATE   92                        41     51      100       
  SINCE SEP 1     92                        41     51      100       
  SINCE JAN 1    286                       138    148      353       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  14   RESULTANT WIND DIRECTION  NW (300)      
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    13.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           200 AM                                     
 LOWEST     57          1100 AM                                     
 AVERAGE    72                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        96      2010                    
                                             1958                    
 MINIMUM TEMPERATURE (F)   55        47      1955                    
                                             1948                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 27 2015.....SUNRISE   701 AM PDT   SUNSET   659 PM PDT   
SEPTEMBER 28 2015.....SUNRISE   702 AM PDT   SUNSET   657 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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