AFOS product CLISFO
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CDUS46 KMTR 170833
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
133 AM PDT SUN AUG 17 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 16 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         73    217 PM  86    1960  73      0       72       
  MINIMUM         59   1159 PM  48    1955  56      3       59       
                                      1952                          
  AVERAGE         66                        64      2       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.01 1941   0.01  -0.01     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                        27    -26       31       
  SINCE JUN 1     69                       197   -128      197       
  SINCE JUL 1     20                        92    -72      109       
                                                                     
 COOLING                                                             
  YESTERDAY        1                         1      0        1       
  MONTH TO DATE   36                        16     20        7       
  SINCE JUN 1    154                        61     93       52       
  SINCE JAN 1    217                        80    137       79       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  NW (300)      
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED    10.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    97           200 AM                                     
 LOWEST     61           200 PM                                     
 AVERAGE    79                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        85      1939                    
 MINIMUM TEMPERATURE (F)   56        44      1935                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 17 2014........SUNRISE   627 AM PDT   SUNSET   759 PM PDT   
AUGUST 18 2014........SUNRISE   628 AM PDT   SUNSET   758 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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