AFOS product CLISFO
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274 
CDUS46 KMTR 160828
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT FRI MAY 16 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 15 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         84   1110 AM  96    2008  68     16       62       
  MINIMUM         58   1159 PM  43    1968  52      6       52       
                                      1964                          
                                      1955                          
  AVERAGE         71                        60     11       57      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.03 1996   0.01  -0.01     0.00    
  MONTH TO DATE    T                         0.28  -0.28      T      
  SINCE JUL 1      8.80                     20.35 -11.55    12.83    
  SINCE JAN 1      7.31                     12.78  -5.47     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        8       
  MONTH TO DATE   40                        96    -56       60       
  SINCE MAR 1    366                       658   -292      567       
  SINCE JUL 1   1911                      2464   -553     2451       
                                                                     
 COOLING                                                             
  YESTERDAY        6                         0      6        0       
  MONTH TO DATE   41                         0     41       20       
  SINCE MAR 1     62                         6     56       24       
  SINCE JAN 1     62                         6     56       24       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   W (290)      
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    10.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    67          1100 PM                                     
 LOWEST     27           400 PM                                     
 AVERAGE    47                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        93      1956                    
 MINIMUM TEMPERATURE (F)   52        44      1984                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 16 2014...........SUNRISE   559 AM PDT   SUNSET   813 PM PDT   
MAY 17 2014...........SUNRISE   558 AM PDT   SUNSET   814 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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