AFOS product CLISFO
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CDUS46 KMTR 100825
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
125 AM PDT SAT MAY 10 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 9 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         66    206 PM  88    1993  67     -1       62       
                                      1931                          
  MINIMUM         54   1159 PM  41    1950  51      3       52       
  AVERAGE         60                        59      1       57      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.20 1980   0.02  -0.02     0.00    
  MONTH TO DATE    T                         0.19  -0.19      T      
  SINCE JUL 1      8.80                     20.26 -11.46    12.83    
  SINCE JAN 1      7.31                     12.69  -5.38     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        5                         6     -1        8       
  MONTH TO DATE   33                        60    -27       21       
  SINCE MAR 1    352                       622   -270      528       
  SINCE JUL 1   1897                      2428   -531     2412       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    9                         0      9       20       
  SINCE MAR 1     30                         6     24       24       
  SINCE JAN 1     30                         6     24       24       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  17   RESULTANT WIND DIRECTION   W (270)      
  HIGHEST WIND SPEED    33   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    41   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    16.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           100 AM                                     
 LOWEST     52           100 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        84      2006                    
 MINIMUM TEMPERATURE (F)   51        43      1953                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 10 2014...........SUNRISE   604 AM PDT   SUNSET   808 PM PDT   
MAY 11 2014...........SUNRISE   604 AM PDT   SUNSET   809 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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