AFOS product CLISFO
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CDUS46 KMTR 190845
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT MON SEP 19 2016


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 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         88    134 PM  93    2009  74     14       79       
  MINIMUM         56    614 AM  46    1955  56      0       56       
  AVERAGE         72                        65      7       68      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.29 1959   0.00   0.00     0.00    
  MONTH TO DATE    0.00                      0.07  -0.07      T      
  SINCE OCT 1     17.23                     20.55  -3.32    16.59    
  SINCE JAN 1     12.44                     13.19  -0.75     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        0                         2     -2        0       
  MONTH TO DATE   38                        36      2        9       
  SINCE SEP 1     38                        36      2        9       
  SINCE JUL 1    141                       149     -8       14       
                                                                     
 COOLING                                                             
  YESTERDAY        7                         1      6        3       
  MONTH TO DATE   19                        33    -14       55       
  SINCE SEP 1     19                        33    -14       55       
  SINCE JAN 1     84                       130    -46      249       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   W (290)      
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     8.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83           600 AM                                     
 LOWEST     27           200 PM                                     
 AVERAGE    55                                                       

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

                                                                     
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 2016.....SUNRISE   655 AM PDT   SUNSET   710 PM PDT   
SEPTEMBER 20 2016.....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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