AFOS product CLISFO
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CDUS46 KMTR 250828
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
128 AM PDT SUN MAY 25 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 24 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    346 PM  91    1982  68     -1       62       
  MINIMUM         55    607 AM  45    1953  52      3       49       
  AVERAGE         61                        60      1       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.14 1960   0.01  -0.01     0.00    
  MONTH TO DATE    T                         0.40  -0.40      T      
  SINCE JUL 1      8.80                     20.47 -11.67    12.83    
  SINCE JAN 1      7.31                     12.90  -5.59     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                         5     -1        9       
  MONTH TO DATE   61                       146    -85      117       
  SINCE MAR 1    396                       708   -312      624       
  SINCE JUL 1   1941                      2514   -573     2508       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE   41                         0     41       23       
  SINCE MAR 1     62                         6     56       27       
  SINCE JAN 1     62                         6     56       27       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  15   RESULTANT WIND DIRECTION   W (280)      
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    15.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           500 AM                                     
 LOWEST     56           400 PM                                     
 AVERAGE    71                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        87      1951                    
                                             1896                    
 MINIMUM TEMPERATURE (F)   52        45      1967                    
                                             1965                    
                                             1955                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 25 2014...........SUNRISE   553 AM PDT   SUNSET   820 PM PDT   
MAY 26 2014...........SUNRISE   552 AM PDT   SUNSET   821 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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