AFOS product CLISFO
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746 
CDUS46 KMTR 050826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1226 AM PST FRI DEC 5 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 4 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         67    319 PM  75    1958  58      9       52       
  MINIMUM         58   1159 PM  36    2004  46     12       39       
  AVERAGE         63                        52     11       46      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.10          1.56 1945   0.11  -0.01     0.00    
  MONTH TO DATE    3.58                      0.43   3.15      T      
  SINCE JUL 1      6.30                      3.97   2.33     1.14    
  SINCE JAN 1     13.61                     17.05  -3.44     3.03    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        2                        13    -11       19       
  MONTH TO DATE   14                        52    -38       52       
  SINCE DEC 1     14                        52    -38       52       
  SINCE JUL 1    202                       616   -414      553       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    497                       164    333      164       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   S (180)      
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SE (120)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     S (180)      
  AVERAGE WIND SPEED     4.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     73           200 PM                                     
 AVERAGE    87                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   58        69      1979                    
 MINIMUM TEMPERATURE (F)   46        31      1972                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER  5 2014......SUNRISE   709 AM PST   SUNSET   451 PM PST   
DECEMBER  6 2014......SUNRISE   710 AM PST   SUNSET   451 PM PST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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