AFOS product CLISFO
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CDUS46 KMTR 150838
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
137 AM PDT THU MAY 15 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 14 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         91R   217 PM  87    2006  67     24       65       
                                      1922                          
  MINIMUM         63    507 AM  41    1968  52     11       53       
  AVERAGE         77                        59     18       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.33 1995   0.02  -0.02     0.00    
  MONTH TO DATE    T                         0.27  -0.27      T      
  SINCE JUL 1      8.80                     20.34 -11.54    12.83    
  SINCE JAN 1      7.31                     12.77  -5.46     1.83    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         6     -6        6       
  MONTH TO DATE   40                        90    -50       52       
  SINCE MAR 1    366                       652   -286      559       
  SINCE JUL 1   1911                      2458   -547     2443       
                                                                     
 COOLING                                                             
  YESTERDAY       12                         0     12        0       
  MONTH TO DATE   35                         0     35       20       
  SINCE MAR 1     56                         6     50       24       
  SINCE JAN 1     56                         6     50       24       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   W (290)      
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     7.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    73           200 AM                                     
 LOWEST     15           500 PM                                     
 AVERAGE    44                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        96      2008                    
 MINIMUM TEMPERATURE (F)   52        43      1968                    
                                             1964                    
                                             1955                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 15 2014...........SUNRISE   600 AM PDT   SUNSET   812 PM PDT   
MAY 16 2014...........SUNRISE   559 AM PDT   SUNSET   813 PM PDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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