AFOS product CLISFO
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CDUS46 KMTR 190828
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT FRI SEP 19 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 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         80    246 PM  93    2009  74      6       78       
  MINIMUM         64   1143 PM  46    1955  56      8       54       
  AVERAGE         72                        65      7       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          2.29 1959   0.00   0.01     0.00    
  MONTH TO DATE    0.01                      0.07  -0.06     0.00    
  SINCE JUL 1      0.01                      0.11  -0.10      T      
  SINCE JAN 1      7.32                     13.19  -5.87     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                        36    -33        8       
  SINCE SEP 1      3                        36    -33        8       
  SINCE JUL 1     23                       149   -126      123       
                                                                     
 COOLING                                                             
  YESTERDAY        7                         1      6        1       
  MONTH TO DATE   60                        33     27       32       
  SINCE SEP 1     60                        33     27       32       
  SINCE JAN 1    313                       130    183      132       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION  SW (220)      
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     7.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1100 PM                                     
 LOWEST     58           200 PM                                     
 AVERAGE    76                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        93      2000                    
                                             1919                    
 MINIMUM TEMPERATURE (F)   56        46      1954                    
                                             1947                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 19 2014.....SUNRISE   655 AM PDT   SUNSET   711 PM PDT   
SEPTEMBER 20 2014.....SUNRISE   656 AM PDT   SUNSET   709 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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