AFOS product CLISFO
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CDUS46 KMTR 300840
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
140 AM PDT WED SEP 30 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 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         67   1257 PM  93    1966  73     -6       71       
  MINIMUM         57    327 AM  45    1955  55      2       60       
                                      1950                          
  AVERAGE         62                        64     -2       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.11 1971   0.02  -0.02     0.00    
  MONTH TO DATE    T                         0.16  -0.16     0.42    
  SINCE OCT 1     16.59                     20.64  -4.05     8.99    
  SINCE JAN 1      3.63                     13.28  -9.65     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        3                         2      1        0       
  MONTH TO DATE   19                        58    -39        3       
  SINCE SEP 1     19                        58    -39        3       
  SINCE JUL 1     24                       171   -147       23       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        1       
  MONTH TO DATE   92                        44     48      108       
  SINCE SEP 1     92                        44     48      108       
  SINCE JAN 1    286                       141    145      361       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   W (270)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    10.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    80           200 AM                                     
 LOWEST     58          1100 AM                                     
 AVERAGE    69                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        94      2001                    
                                             1980                    
 MINIMUM TEMPERATURE (F)   55        41      1950                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 30 2015.....SUNRISE   704 AM PDT   SUNSET   654 PM PDT   
OCTOBER  1 2015.......SUNRISE   705 AM PDT   SUNSET   653 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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