AFOS product CLISFO
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CDUS46 KMTR 180845
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT MON AUG 18 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 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         72    121 PM  85    1939  73     -1       72       
  MINIMUM         57    558 AM  44    1935  56      1       59       
  AVERAGE         65                        64      1       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.03 1976   0.00   0.00     0.00    
  MONTH TO DATE    T                         0.02  -0.02      T      
  SINCE JUL 1      T                         0.02  -0.02      T      
  SINCE JAN 1      7.31                     13.10  -5.79     1.89    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE JUN 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    1                        28    -27       31       
  SINCE JUN 1     69                       198   -129      197       
  SINCE JUL 1     20                        93    -73      109       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        1       
  MONTH TO DATE   36                        17     19        8       
  SINCE JUN 1    154                        62     92       53       
  SINCE JAN 1    217                        81    136       80       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   W (290)      
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM            
  AVERAGE WIND SPEED    11.7                                         

                                                                     
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    97           800 PM                                     
 LOWEST     61           100 PM                                     
 AVERAGE    79                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        88      1934                    
 MINIMUM TEMPERATURE (F)   56        48      1957                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 18 2014........SUNRISE   628 AM PDT   SUNSET   758 PM PDT   
AUGUST 19 2014........SUNRISE   629 AM PDT   SUNSET   757 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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