AFOS product CLISFO
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CDUS46 KMTR 300827
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1226 AM PST WED DEC 30 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 29 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         54    347 PM  68    2013  56     -2       55       
  MINIMUM         36    615 AM  33    1988  44     -8       44       
                                      1962                          
  AVERAGE         45                        50     -5       50      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.60 2003   0.14  -0.14     0.00    
  MONTH TO DATE    3.36                      3.75  -0.39    10.66    
  SINCE OCT 1      4.78                      7.08  -2.30    12.96    
  SINCE JAN 1      8.43                     20.37 -11.94    20.69    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       20                        15      5       15       
  MONTH TO DATE  403                       415    -12      218       
  SINCE DEC 1    403                       415    -12      218       
  SINCE JUL 1    760                       979   -219      406       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    327                       164    163      497       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   W (260)      
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     W (250)      
  AVERAGE WIND SPEED     2.8                                         

                                                                     
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    92           300 AM                                     
 LOWEST     41           500 PM                                     
 AVERAGE    67                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        69      1945                    
 MINIMUM TEMPERATURE (F)   44        33      1990                    
                                             1982                    
                                             1978                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 30 2015......SUNRISE   724 AM PST   SUNSET   500 PM PST   
DECEMBER 31 2015......SUNRISE   724 AM PST   SUNSET   501 PM PST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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