AFOS product CLISFO
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CDUS46 KMTR 280842
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1242 AM PST MON DEC 28 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 27 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         48    148 PM  70    1953  56     -8       56       
  MINIMUM         34    619 AM  33    1962  44    -10       42       
                                      1954                          
  AVERAGE         41                        50     -9       49      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          2.24 2004   0.14  -0.13     0.00    
  MONTH TO DATE    3.25                      3.47  -0.22    10.66    
  SINCE OCT 1      4.67                      6.80  -2.13    12.96    
  SINCE JAN 1      8.32                     20.09 -11.77    20.69    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM             0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       24                        15      9       16       
  MONTH TO DATE  363                       385    -22      188       
  SINCE DEC 1    363                       385    -22      188       
  SINCE JUL 1    720                       949   -229      376       
                                                                     
 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   1   RESULTANT WIND DIRECTION   E (110)      
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     E (90)       
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     E (90)       
  AVERAGE WIND SPEED     4.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    82           500 AM                                     
 LOWEST     60           700 PM                                     
 AVERAGE    71                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        71      1967                    
 MINIMUM TEMPERATURE (F)   44        32      1966                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 28 2015......SUNRISE   724 AM PST   SUNSET   459 PM PST   
DECEMBER 29 2015......SUNRISE   724 AM PST   SUNSET   459 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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