AFOS product CLISFO
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CDUS46 KMTR 240832
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
132 AM PDT SUN MAY 24 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 23 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         63    203 PM  88    2000  68     -5       69       
  MINIMUM         54   1159 PM  46    1954  52      2       54       
  AVERAGE         59                        60     -1       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.21 1997   0.01  -0.01     0.00    
  MONTH TO DATE    0.02                      0.39  -0.37      T      
  SINCE OCT 1     16.33                     20.25  -3.92     8.57    
  SINCE JAN 1      3.37                     12.89  -9.52     7.31    
                                                                     
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        6                         5      1        3       
  MONTH TO DATE  140                       141     -1       57       
  SINCE MAR 1    471                       703   -232      392       
  SINCE JUL 1   1418                      2509  -1091     1937       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0       41       
  SINCE MAR 1     13                         6      7       62       
  SINCE JAN 1     13                         6      7       62       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  14   RESULTANT WIND DIRECTION   W (260)      
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    14.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89           400 AM                                     
 LOWEST     60           200 PM                                     
 AVERAGE    75                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        91      1982                    
 MINIMUM TEMPERATURE (F)   52        45      1953                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 24 2015...........SUNRISE   554 AM PDT   SUNSET   819 PM PDT   
MAY 25 2015...........SUNRISE   553 AM PDT   SUNSET   820 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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