AFOS product CLISFO
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CDUS46 KMTR 040833
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
133 AM PDT SUN MAY 4 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 3 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         67   1249 PM  85    2013  67      0       85       
  MINIMUM         55    637 AM  39    1950  51      4       56       
  AVERAGE         61                        58      3       71      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.44 1951   0.02  -0.02     0.00    
  MONTH TO DATE    0.00                      0.07  -0.07     0.00    
  SINCE JUL 1      8.80                     20.14 -11.34    12.83    
  SINCE JAN 1      7.31                     12.57  -5.26     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        4                         7     -3        0       
  MONTH TO DATE    5                        21    -16        0       
  SINCE MAR 1    324                       583   -259      507       
  SINCE JUL 1   1869                      2389   -520     2391       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        6       
  MONTH TO DATE    9                         0      9       16       
  SINCE MAR 1     30                         6     24       20       
  SINCE JAN 1     30                         6     24       20       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  17   RESULTANT WIND DIRECTION   W (270)      
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    17.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           100 AM                                     
 LOWEST     52           100 PM                                     
 AVERAGE    69                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        84      2013                    
                                             2011                    
 MINIMUM TEMPERATURE (F)   51        40      1952                    
                                             1950                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY  4 2014...........SUNRISE   611 AM PDT   SUNSET   802 PM PDT   
MAY  5 2014...........SUNRISE   610 AM PDT   SUNSET   803 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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