AFOS product CLISFO
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CDUS46 KMTR 170836
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
136 AM PDT FRI APR 17 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 16 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         80    245 PM  81    1999  65     15       73       
  MINIMUM         51    344 AM  40    1975  49      2       52       
  AVERAGE         66                        57      9       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.64 2000   0.04  -0.04     0.00    
  MONTH TO DATE    0.87                      0.82   0.05     1.20    
  SINCE OCT 1     15.90                     19.39  -3.49     8.16    
  SINCE JAN 1      2.94                     12.03  -9.09     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        0                         8     -8        2       
  MONTH TO DATE  103                       141    -38       89       
  SINCE MAR 1    247                       455   -208      265       
  SINCE JUL 1   1194                      2261  -1067     1810       
                                                                     
 COOLING                                                             
  YESTERDAY        1                         0      1        0       
  MONTH TO DATE    1                         0      1        6       
  SINCE MAR 1      7                         1      6        6       
  SINCE JAN 1      7                         1      6        6       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  NW (300)      
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     8.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    59           500 AM                                     
 LOWEST     19           200 PM                                     
 AVERAGE    39                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   65        82      1954                    
 MINIMUM TEMPERATURE (F)   49        40      1963                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 17 2015.........SUNRISE   632 AM PDT   SUNSET   747 PM PDT   
APRIL 18 2015.........SUNRISE   631 AM PDT   SUNSET   748 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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