AFOS product CLISFO
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CDUS46 KMTR 120826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT SUN APR 12 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 11 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         69    211 PM  84    1988  64      5       64       
  MINIMUM         51    600 AM  38    1967  49      2       53       
                                      1953                          
  AVERAGE         60                        56      4       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.92 2010   0.04  -0.04     0.00    
  MONTH TO DATE    0.87                      0.60   0.27     1.20    
  SINCE OCT 1     15.90                     19.17  -3.27     8.16    
  SINCE JAN 1      2.94                     11.81  -8.87     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        5                         9     -4        6       
  MONTH TO DATE   79                        99    -20       68       
  SINCE MAR 1    223                       413   -190      244       
  SINCE JUL 1   1170                      2219  -1049     1789       
                                                                     
 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  14   RESULTANT WIND DIRECTION   W (280)      
  HIGHEST WIND SPEED    32   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    14.8                                         

                                                                     
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   100           900 PM                                     
 LOWEST     45           200 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   64        88      1947                    
 MINIMUM TEMPERATURE (F)   49        39      1983                    
                                             1956                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 12 2015.........SUNRISE   639 AM PDT   SUNSET   742 PM PDT   
APRIL 13 2015.........SUNRISE   638 AM PDT   SUNSET   743 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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