AFOS product CLISFO
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CDUS46 KMTR 260838
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1237 AM PST SAT DEC 26 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 25 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         51    439 PM  68    1967  56     -5       58       
  MINIMUM         40    417 AM  31    1990  44     -4       46       
                                      1962                          
  AVERAGE         46                        50     -4       52      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.23 1968   0.15  -0.15     0.00    
  MONTH TO DATE    3.24                      3.19   0.05    10.66    
  SINCE OCT 1      4.66                      6.52  -1.86    12.96    
  SINCE JAN 1      8.31                     19.81 -11.50    20.69    
                                                                     
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       19                        15      4       13       
  MONTH TO DATE  320                       355    -35      159       
  SINCE DEC 1    320                       355    -35      159       
  SINCE JUL 1    677                       919   -242      347       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    327                       164    163      497       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION  NW (330)      
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED     6.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    79           400 AM                                     
 LOWEST     54           400 PM                                     
 AVERAGE    67                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        72      1967                    
 MINIMUM TEMPERATURE (F)   44        32      1954                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 26 2015......SUNRISE   723 AM PST   SUNSET   457 PM PST   
DECEMBER 27 2015......SUNRISE   723 AM PST   SUNSET   458 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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