AFOS product CLISFO
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CDUS46 KMTR 210028
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
428 PM PST TUE JAN 20 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 20 2015...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)                                                     
 TODAY                                                               
  MAXIMUM         61    318 PM  67    1976  57      4       66       
  MINIMUM         49    404 AM  30    1963  44      5       43       
  AVERAGE         55                        50      5       55      
                                                                     
PRECIPITATION (IN)                                                   
  TODAY            0.00          2.49 1964   0.12  -0.12     0.00    
  MONTH TO DATE    0.00                      2.75  -2.75     0.01    
  SINCE JUL 1     13.38                     10.32   3.06     1.50    
  SINCE JAN 1      0.00                      2.75  -2.75     0.01    
                                                                     
SNOWFALL (IN)                                                        
  TODAY            0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  TODAY           10                        15     -5       10       
  MONTH TO DATE  249                       300    -51      202       
  SINCE DEC 1    496                       746   -250      669       
  SINCE JUL 1    684                      1310   -626     1170       
                                                                     
 COOLING                                                             
  TODAY            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   N (20)       
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     1.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     72           300 PM                                     
 AVERAGE    86                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   57        68      2014                    
 MINIMUM TEMPERATURE (F)   44        30      1962                    
                                             1937                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 20 2015.......SUNRISE   721 AM PST   SUNSET   520 PM PST   
JANUARY 21 2015.......SUNRISE   721 AM PST   SUNSET   521 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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