AFOS product CLISFO
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CDUS46 KMTR 050827
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1227 AM PST SUN JAN 5 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 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         66R   347 PM  62    2006  56     10       55       
  MINIMUM         43    415 AM  29    1949  44     -1       40       
  AVERAGE         55                        50      5       48      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          5.59 1982   0.14  -0.14     0.00    
  MONTH TO DATE    0.00                      0.55  -0.55      T      
  SINCE JUL 1      1.49                      8.12  -6.63    11.00    
  SINCE JAN 1      0.00                      0.55  -0.55      T      
                                                                     
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       10                        15     -5       17       
  MONTH TO DATE   49                        60    -11       73       
  SINCE DEC 1    516                       506     10      473       
  SINCE JUL 1   1017                      1070    -53     1068       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   W (280)      
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED     2.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           700 AM                                     
 LOWEST     36           600 PM                                     
 AVERAGE    65                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        65      1986                    
 MINIMUM TEMPERATURE (F)   44        26      1949                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY  5 2014.......SUNRISE   725 AM PST   SUNSET   505 PM PST   
JANUARY  6 2014.......SUNRISE   725 AM PST   SUNSET   506 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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