AFOS product CLISFO
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CDUS46 KMTR 190827
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO                            
1226 AM PST MON NOV 19 2007


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR NOVEMBER 18 2007...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1927 TO 2007


 WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         63    239 PM  74    1949  61      2       67       
  MINIMUM         52    854 AM  36    1964  47      5       49       
  AVERAGE         58                        54      4       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.26 1982   0.09  -0.09     0.00    
  MONTH TO DATE    0.57                      1.41  -0.84     1.28    
  SINCE JUL 1      2.70                      2.75  -0.05     1.61    
  SINCE JAN 1      8.99                     16.14  -7.15    16.87    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE SEP 1      0.0                                               
  SINCE JUL 1      0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        7                        10     -3        7       
  MONTH TO DATE  126                       155    -29      124       
  SINCE SEP 1    332                       348    -16      345       
  SINCE JUL 1    416                       481    -65      457       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE SEP 1     41                        58    -17       18       
  SINCE JAN 1    126                       142    -16      153       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     E (90)       
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     5.0                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       
  HAZE                                                               

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           500 AM                                     
 LOWEST     78           200 PM                                     
 AVERAGE    89                                                       

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

                                                                      
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   61        73      1989                    
                                             1895                    
 MINIMUM TEMPERATURE (F)   47        35      1994                    
                                             1964                    

                                                                      
SUNRISE AND SUNSET                                                   
NOVEMBER 19 2007......SUNRISE   653 AM PST   SUNSET   456 PM PST   
NOVEMBER 20 2007......SUNRISE   654 AM PST   SUNSET   455 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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