AFOS product CLISFO
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CDUS46 KMTR 170845
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT SAT SEP 17 2016


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         69    244 PM  90    1968  74     -5       70       
  MINIMUM         55   1159 PM  49    2006  56     -1       58       
  AVERAGE         62                        65     -3       64      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.88 1989   0.01  -0.01      T      
  MONTH TO DATE    0.00                      0.06  -0.06      T      
  SINCE OCT 1     17.23                     20.54  -3.31    16.59    
  SINCE JAN 1     12.44                     13.18  -0.74     3.63    
                                                                     
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        1       
  MONTH TO DATE   35                        32      3        8       
  SINCE SEP 1     35                        32      3        8       
  SINCE JUL 1    138                       145     -7       13       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE   12                        31    -19       52       
  SINCE SEP 1     12                        31    -19       52       
  SINCE JAN 1     77                       128    -51      246       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION  NW (300)      
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED    11.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86          1200 AM                                     
 LOWEST     55           200 PM                                     
 AVERAGE    71                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        94      1984                    
 MINIMUM TEMPERATURE (F)   56        50      1988                    
                                             1946                    
                                             1945                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 17 2016.....SUNRISE   654 AM PDT   SUNSET   713 PM PDT   
SEPTEMBER 18 2016.....SUNRISE   654 AM PDT   SUNSET   712 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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