AFOS product CLISFO
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793 
CDUS46 KMTR 260841
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
141 AM PDT SAT SEP 26 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 25 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         74    222 PM  91    1970  73      1       74       
                                      1960                          
  MINIMUM         58    534 AM  47    1972  55      3       61       
                                      1948                          
  AVERAGE         66                        64      2       68      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.41 2014   0.01  -0.01     0.41    
  MONTH TO DATE    T                         0.12  -0.12     0.42    
  SINCE OCT 1     16.59                     20.60  -4.01     8.99    
  SINCE JAN 1      3.63                     13.24  -9.61     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        0                         2     -2        0       
  MONTH TO DATE   12                        50    -38        3       
  SINCE SEP 1     12                        50    -38        3       
  SINCE JUL 1     17                       163   -146       23       
                                                                     
 COOLING                                                             
  YESTERDAY        1                         1      0        3       
  MONTH TO DATE   92                        40     52       97       
  SINCE SEP 1     92                        40     52       97       
  SINCE JAN 1    286                       137    149      350       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION   W (290)      
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    13.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           700 AM                                     
 LOWEST     46           200 PM                                     
 AVERAGE    67                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        95      1958                    
 MINIMUM TEMPERATURE (F)   55        46      1948                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 26 2015.....SUNRISE   701 AM PDT   SUNSET   700 PM PDT   
SEPTEMBER 27 2015.....SUNRISE   701 AM PDT   SUNSET   659 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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