AFOS product CLISFO
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CDUS46 KMTR 100828
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT FRI APR 10 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 9 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         66    301 PM  90    1989  64      2       64       
  MINIMUM         49    612 AM  38    1953  49      0       51       
  AVERAGE         58                        56      2       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.96 1965   0.05  -0.05     0.00    
  MONTH TO DATE    0.87                      0.51   0.36     1.20    
  SINCE OCT 1     15.90                     19.08  -3.18     8.16    
  SINCE JAN 1      2.94                     11.72  -8.78     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        7                         9     -2        7       
  MONTH TO DATE   66                        81    -15       57       
  SINCE MAR 1    210                       395   -185      233       
  SINCE JUL 1   1157                      2201  -1044     1778       
                                                                     
 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   5   RESULTANT WIND DIRECTION   W (280)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     7.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           500 AM                                     
 LOWEST     48          1200 PM                                     
 AVERAGE    74                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   64        91      1988                    
 MINIMUM TEMPERATURE (F)   49        41      1949                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 10 2015.........SUNRISE   642 AM PDT   SUNSET   740 PM PDT   
APRIL 11 2015.........SUNRISE   640 AM PDT   SUNSET   741 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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