AFOS product CLISFO
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CDUS46 KMTR 090845
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1245 AM PST FRI DEC 9 2016


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 8 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         61    321 PM  69    1988  57      4       60       
  MINIMUM         49    603 AM  29    1978  45      4       52       
  AVERAGE         55                        51      4       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        1.32R         0.98 2004   0.12   1.20     0.00    
  MONTH TO DATE    1.76                      0.90   0.86     0.21    
  SINCE OCT 1      6.08                      4.23   1.85     1.63    
  SINCE JAN 1     18.52                     17.52   1.00     5.28    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM             0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                        14     -4        9       
  MONTH TO DATE  102                       106     -4       95       
  SINCE DEC 1    102                       106     -4       95       
  SINCE JUL 1    516                       670   -154      452       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    142                       164    -22      327       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION  NE (50)       
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (80)       
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     E (90)       
  AVERAGE WIND SPEED     6.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96          1000 AM                                     
 LOWEST     87           400 PM                                     
 AVERAGE    92                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   57        67      1950                    
 MINIMUM TEMPERATURE (F)   45        24      1972                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER  9 2016......SUNRISE   713 AM PST   SUNSET   451 PM PST   
DECEMBER 10 2016......SUNRISE   714 AM PST   SUNSET   451 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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