AFOS product CLISFO
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CDUS46 KMTR 180829
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
129 AM PDT THU SEP 18 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 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         82    207 PM  94    1984  74      8       68       
  MINIMUM         62    625 AM  50    1988  56      6       57       
                                      1946                          
                                      1945                          
  AVERAGE         72                        65      7       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.28 1982   0.01  -0.01     0.00    
  MONTH TO DATE    T                         0.07  -0.07     0.00    
  SINCE JUL 1      T                         0.11  -0.11      T      
  SINCE JAN 1      7.31                     13.19  -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        2       
  MONTH TO DATE    3                        34    -31        8       
  SINCE SEP 1      3                        34    -31        8       
  SINCE JUL 1     23                       147   -124      123       
                                                                     
 COOLING                                                             
  YESTERDAY        7                         1      6        0       
  MONTH TO DATE   53                        32     21       31       
  SINCE SEP 1     53                        32     21       31       
  SINCE JAN 1    306                       129    177      131       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  SW (210)      
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED    10.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    90           300 AM                                     
 LOWEST     42           200 PM                                     
 AVERAGE    66                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        93      2009                    
 MINIMUM TEMPERATURE (F)   56        46      1955                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 18 2014.....SUNRISE   654 AM PDT   SUNSET   712 PM PDT   
SEPTEMBER 19 2014.....SUNRISE   655 AM PDT   SUNSET   711 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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