AFOS product CLISFO
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CDUS46 KMTR 210836
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
136 AM PDT SUN SEP 21 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 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         77    122 PM  93    1990  74      3       73       
  MINIMUM         64    509 AM  48    1965  56      8       56       
                                      1954                          
                                      1947                          
  AVERAGE         71                        65      6       65      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.08 2005   0.00   0.00     0.00    
  MONTH TO DATE    0.01                      0.08  -0.07     0.00    
  SINCE JUL 1      0.01                      0.12  -0.11      T      
  SINCE JAN 1      7.32                     13.20  -5.88     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                        40    -37        8       
  SINCE SEP 1      3                        40    -37        8       
  SINCE JUL 1     23                       153   -130      123       
                                                                     
 COOLING                                                             
  YESTERDAY        6                         1      5        0       
  MONTH TO DATE   70                        35     35       34       
  SINCE SEP 1     70                        35     35       34       
  SINCE JAN 1    323                       132    191      134       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   W (290)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     8.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           200 AM                                     
 LOWEST     60           200 PM                                     
 AVERAGE    77                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        95      2003                    
 MINIMUM TEMPERATURE (F)   56        45      1955                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 21 2014.....SUNRISE   657 AM PDT   SUNSET   708 PM PDT   
SEPTEMBER 22 2014.....SUNRISE   657 AM PDT   SUNSET   706 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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