AFOS product CLISFO
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CDUS46 KMTR 110845
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1245 AM PST THU DEC 11 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         65   1150 PM  70    1958  57      8       52       
  MINIMUM         58    903 AM  29    1972  45     13       34       
  AVERAGE         62                        51     11       43      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.48 1996   0.11  -0.11     0.00    
  MONTH TO DATE    3.81                      1.13   2.68     0.35    
  SINCE JUL 1      6.53                      4.67   1.86     1.49    
  SINCE JAN 1     13.84                     17.75  -3.91     3.38    
                                                                     
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        3                        14    -11       22       
  MONTH TO DATE   35                       134    -99      180       
  SINCE DEC 1     35                       134    -99      180       
  SINCE JUL 1    223                       698   -475      681       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    497                       164    333      164       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SE (140)      
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    SE (140)      
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     S (170)      
  AVERAGE WIND SPEED    10.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     78           100 PM                                     
 AVERAGE    89                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   57        74      1958                    
 MINIMUM TEMPERATURE (F)   45        26      1972                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 11 2014......SUNRISE   714 AM PST   SUNSET   451 PM PST   
DECEMBER 12 2014......SUNRISE   715 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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