Weather Service Report


812 
CDUS46 KMTR 220045
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
545 PM PDT THU AUG 21 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 21 2014...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)                                                     
 TODAY                                                               
  MAXIMUM         74    248 PM  85    1974  73      1       72       
  MINIMUM         61    547 AM  42    1928  56      5       58       
  AVERAGE         68                        65      3       65      
                                                                     
PRECIPITATION (IN)                                                   
  TODAY            0.00          0.04 1968   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)                                                        
  TODAY            0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE JUN 1      0.0                                               
  SINCE JUL 1      0.0                                               
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  TODAY            0                         1     -1        0       
  MONTH TO DATE    1                        32    -31       31       
  SINCE JUN 1     69                       202   -133      197       
  SINCE JUL 1     20                        97    -77      109       
                                                                     
 COOLING                                                             
  TODAY            3                         1      2        0       
  MONTH TO DATE   45                        21     24       16       
  SINCE JUN 1    163                        66     97       61       
  SINCE JAN 1    226                        85    141       88       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  NW (300)      
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     6.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    90           200 AM                                     
 LOWEST     64           100 PM                                     
 AVERAGE    77                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        90      1999                    
 MINIMUM TEMPERATURE (F)   56        49      1955                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 21 2014........SUNRISE   631 AM PDT   SUNSET   754 PM PDT   
AUGUST 22 2014........SUNRISE   631 AM PDT   SUNSET   753 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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Western Regional Climate Center, wrcc@dri.edu