AFOS product CLISFO
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CDUS46 KMTR 100827
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT THU SEP 10 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 9 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         91    309 PM  92    1951  74     17       71       
  MINIMUM         60   1159 PM  46    1946  56      4       59       
  AVERAGE         76                        65     11       65      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.26 1978   0.01  -0.01     0.00    
  MONTH TO DATE    0.00                      0.03  -0.03     0.00    
  SINCE OCT 1     16.59                     20.51  -3.92     8.57    
  SINCE JAN 1      3.63                     13.15  -9.52     7.31    
                                                                     
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                        18    -15        3       
  SINCE SEP 1      3                        18    -15        3       
  SINCE JUL 1      8                       131   -123       23       
                                                                     
 COOLING                                                             
  YESTERDAY       11                         2      9        0       
  MONTH TO DATE   44                        18     26       19       
  SINCE SEP 1     44                        18     26       19       
  SINCE JAN 1    238                       115    123      272       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   W (290)      
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     9.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    64           900 AM                                     
 LOWEST     19           300 PM                                     
 AVERAGE    42                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        94      1979                    
 MINIMUM TEMPERATURE (F)   56        49      1947                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 10 2015.....SUNRISE   647 AM PDT   SUNSET   725 PM PDT   
SEPTEMBER 11 2015.....SUNRISE   648 AM PDT   SUNSET   724 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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