AFOS product CLISFO
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CDUS46 KMTR 180826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT SAT JUL 18 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 17 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         73    234 PM 105    1988  72      1       74       
  MINIMUM         59    216 AM  47    1954  56      3       63       
  AVERAGE         66                        64      2       69      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          T    2011   0.00   0.00     0.00    
  MONTH TO DATE    T                         0.00   0.00     0.00    
  SINCE OCT 1     16.59                     20.44  -3.85     8.57    
  SINCE JAN 1      3.63                     13.08  -9.45     7.31    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE JUN 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         2     -2        0       
  MONTH TO DATE    2                        34    -32       19       
  SINCE JUN 1     77                       139    -62       68       
  SINCE JUL 1      2                        34    -32       19       
                                                                     
 COOLING                                                             
  YESTERDAY        1                         1      0        4       
  MONTH TO DATE   24                        17      7       27       
  SINCE JUN 1     41                        38      3       62       
  SINCE JAN 1     54                        57     -3      125       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION  NW (300)      
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED    10.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           200 AM                                     
 LOWEST     57          1200 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   72        88      1968                    
 MINIMUM TEMPERATURE (F)   56        50      1999                    

                                                                     
SUNRISE AND SUNSET                                                   
JULY 18 2015..........SUNRISE   602 AM PDT   SUNSET   829 PM PDT   
JULY 19 2015..........SUNRISE   603 AM PDT   SUNSET   828 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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