AFOS product CLISFO
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CDUS46 KMTR 190829
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO                            
128 AM PDT FRI OCT 19 2007


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 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         70    323 PM  85    1988  70      0       73       
  MINIMUM         52    255 AM  42    1946  52      0       50       
  AVERAGE         61                        61      0       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.17 1953   0.03  -0.03     0.00    
  MONTH TO DATE    1.95                      0.41   1.54     0.33    
  SINCE JUL 1      2.11                      0.71   1.40     0.33    
  SINCE JAN 1      8.40                     14.10  -5.70    15.59    
                                                                     
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        4                         4      0        3       
  MONTH TO DATE   97                        60     37       82       
  SINCE SEP 1    145                       122     23      166       
  SINCE JUL 1    229                       255    -26      278       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    1                        18    -17        0       
  SINCE SEP 1     36                        56    -20       12       
  SINCE JAN 1    121                       140    -19      147       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     4.8                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83           200 AM                                     
 LOWEST     55           400 PM                                     
 AVERAGE    69                                                       

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

                                                                      
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   69        85      1964                    
 MINIMUM TEMPERATURE (F)   52        43      1949                    

                                                                      
SUNRISE AND SUNSET                                                   
OCTOBER 19 2007.......SUNRISE   721 AM PDT   SUNSET   627 PM PDT   
OCTOBER 20 2007.......SUNRISE   722 AM PDT   SUNSET   626 PM PDT   

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

 


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