AFOS product CLISFO
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CDUS46 KMTR 210840
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1240 AM PST SAT FEB 21 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR FEBRUARY 20 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         68    255 PM  71    1991  60      8       67       
  MINIMUM         54    317 AM  37    2011  47      7       45       
                                      1976                          
  AVERAGE         61                        54      7       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.06 1980   0.15  -0.15     0.00    
  MONTH TO DATE    2.01                      2.94  -0.93     2.60    
  SINCE OCT 1     14.97                     14.49   0.48     3.87    
  SINCE JAN 1      2.01                      7.13  -5.12     2.61    
                                                                     
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        4                        12     -8        9       
  MONTH TO DATE  112                       250   -138      215       
  SINCE DEC 1    697                      1153   -456      981       
  SINCE JUL 1    885                      1717   -832     1482       
                                                                     
 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  NW (330)      
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     4.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           200 AM                                     
 LOWEST     63           200 PM                                     
 AVERAGE    82                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   60        72      1995                    
 MINIMUM TEMPERATURE (F)   47        34      1955                    
                                             1953                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 21 2015......SUNRISE   652 AM PST   SUNSET   555 PM PST   
FEBRUARY 22 2015......SUNRISE   650 AM PST   SUNSET   556 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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