AFOS product CLISFO
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CDUS46 KMTR 110826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT THU SEP 11 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 10 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         82    158 PM  94    1979  74      8       74       
  MINIMUM         56    507 AM  49    1947  56      0       57       
  AVERAGE         69                        65      4       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.00 2007   0.00   0.00     0.00    
  MONTH TO DATE    0.00                      0.03  -0.03     0.00    
  SINCE JUL 1      T                         0.07  -0.07      T      
  SINCE JAN 1      7.31                     13.15  -5.84     1.89    
                                                                     
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                        20    -17        0       
  SINCE SEP 1      3                        20    -17        0       
  SINCE JUL 1     23                       133   -110      115       
                                                                     
 COOLING                                                             
  YESTERDAY        4                         2      2        1       
  MONTH TO DATE   23                        20      3       27       
  SINCE SEP 1     23                        20      3       27       
  SINCE JAN 1    276                       117    159      127       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   W (290)      
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED     8.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    97           800 AM                                     
 LOWEST     47           200 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        98      1979                    
 MINIMUM TEMPERATURE (F)   56        49      1951                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 11 2014.....SUNRISE   648 AM PDT   SUNSET   723 PM PDT   
SEPTEMBER 12 2014.....SUNRISE   649 AM PDT   SUNSET   722 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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