000 
CDUS46 KMTR 050834
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO                            
1233 AM PST TUE DEC 5 2006

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 4 2006...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1927 TO 2006

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         60    428 PM  75    1958  58      2       56       
  MINIMUM         41    421 AM  33    1931  44     -3       40       
  AVERAGE         51                        51      0       48      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.75 1951   0.09  -0.09     0.00    
  MONTH TO DATE    0.00                      0.36  -0.36     0.99    
  SINCE JUL 1      1.97                      4.19  -2.22     2.38    
  SINCE JAN 1     17.23                     17.58  -0.35    18.64    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       14                        14      0       17       
  MONTH TO DATE   57                        55      2       56       
  SINCE DEC 1     57                        55      2       56       
  SINCE JUL 1    668                       679    -11      571       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    153                       142     11       68       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     1.8                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    79           400 AM                                     
 LOWEST     40           400 PM                                     
 AVERAGE    60                                                       
..........................................................
                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   57        74      1929                    
 MINIMUM TEMPERATURE (F)   44        31      1972                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER  5 2006......SUNRISE   709 AM PST   SUNSET   451 PM PST   
DECEMBER  6 2006......SUNRISE   710 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.                                          


$$