AFOS product CLISFO
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CDUS46 KMTR 150831
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
130 AM PDT WED APR 15 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 14 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    200 PM  87    1984  65     -2       68       
  MINIMUM         50    614 AM  39    1950  49      1       52       
  AVERAGE         57                        57      0       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.70 1963   0.05  -0.05     0.00    
  MONTH TO DATE    0.87                      0.74   0.13     1.20    
  SINCE OCT 1     15.90                     19.31  -3.41     8.16    
  SINCE JAN 1      2.94                     11.95  -9.01     6.90    
                                                                     
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        8                         8      0        5       
  MONTH TO DATE   97                       125    -28       81       
  SINCE MAR 1    241                       439   -198      257       
  SINCE JUL 1   1188                      2245  -1057     1802       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        6       
  SINCE MAR 1      6                         1      5        6       
  SINCE JAN 1      6                         1      5        6       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  15   RESULTANT WIND DIRECTION   W (280)      
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    15.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    77          1200 AM                                     
 LOWEST     32          1100 AM                                     
 AVERAGE    55                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   65        83      1966                    
 MINIMUM TEMPERATURE (F)   49        38      1975                    
                                             1955                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 15 2015.........SUNRISE   635 AM PDT   SUNSET   745 PM PDT   
APRIL 16 2015.........SUNRISE   633 AM PDT   SUNSET   746 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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