AFOS product CLISFO
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CDUS46 KMTR 010827
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT WED OCT 1 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         75    242 PM  94    2001  73      2       73       
                                      1980                          
  MINIMUM         62    704 AM  41    1950  55      7       59       
  AVERAGE         69                        64      5       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.56 1983   0.01  -0.01      T      
  MONTH TO DATE    0.42                      0.17   0.25     0.23    
  SINCE JUL 1      0.42                      0.21   0.21     0.23    
  SINCE JAN 1      7.73                     13.29  -5.56     2.12    
                                                                     
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    3                        60    -57       18       
  SINCE SEP 1      3                        53    -50       18       
  SINCE JUL 1     23                       166   -143      133       
                                                                     
 COOLING                                                             
  YESTERDAY        4                         1      3        1       
  MONTH TO DATE  112                        44     68       41       
  SINCE SEP 1    112                        44     68       41       
  SINCE JAN 1    365                       141    224      141       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   W (280)      
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    11.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    90           300 AM                                     
 LOWEST     54           200 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        97      1980                    
 MINIMUM TEMPERATURE (F)   55        42      1950                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER  1 2014.......SUNRISE   705 AM PDT   SUNSET   652 PM PDT   
OCTOBER  2 2014.......SUNRISE   706 AM PDT   SUNSET   651 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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