AFOS product CLISFO
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CDUS46 KMTR 130826
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO                            
126 AM PDT FRI APR 13 2007


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 12 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         60    207 PM  88    1947  64     -4       58       
  MINIMUM         47    621 AM  39    1983  48     -1       53       
                                      1956                          
  AVERAGE         54                        56     -2       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.31 2003   0.04  -0.04     0.46    
  MONTH TO DATE    0.12                      0.67  -0.55     3.19    
  SINCE JUL 1     10.52                     19.11  -8.59    24.80    
  SINCE JAN 1      5.18                     12.39  -7.21    14.07    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       11                         9      2        9       
  MONTH TO DATE  108                       114     -6      130       
  SINCE MAR 1    384                       453    -69      556       
  SINCE JUL 1   2307                      2389    -82     2177       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE MAR 1      1                         0      1        0       
  SINCE JAN 1      1                         0      1        0       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    19.0                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

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

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    80          1100 PM                                     
 LOWEST     47          1100 AM                                     
 AVERAGE    64                                                       

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

                                                                      
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   64        84      1985                    
                                             1947                    
 MINIMUM TEMPERATURE (F)   48        39      1972                    

                                                                      
SUNRISE AND SUNSET                                                   
APRIL 13 2007.........SUNRISE   638 AM PDT   SUNSET   743 PM PDT   
APRIL 14 2007.........SUNRISE   636 AM PDT   SUNSET   744 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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