000 
CDUS46 KMTR 170831
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO, CA                           
130 AM PDT MON MAY 17 2004

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 16 2004...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1927 TO 2004

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         64   1242 PM  93    1956  67     -3       64       
  MINIMUM         52    607 AM  43    1943  51      1       48       
  AVERAGE         58                        59     -1       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.13 1994   0.01  -0.01     0.00    
  MONTH TO DATE    0.00                      0.23  -0.23     0.62    
  SINCE JUL 1     17.42                     19.85  -2.43    23.79    
  SINCE JAN 1      8.37                     13.13  -4.76    10.09    
                                                                     
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        7                         7      0        9       
  MONTH TO DATE   77                       115    -38      127       
  SINCE MAR 1    445                       720   -275      716       
  SINCE JUL 1   2180                      2656   -476     2306       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    4                         0      4        0       
  SINCE MAR 1     42                         4     38        0       
  SINCE JAN 1     42                         4     38        0       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    35   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    44   HIGHEST GUST DIRECTION     W (250)      
  AVERAGE WIND SPEED    22.2                                         
                                                                     
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    89          M200 AM                                     
 LOWEST     60          M100 PM                                     
 AVERAGE    75                                                       
..........................................................
                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        93      1997                    
 MINIMUM TEMPERATURE (F)   51        42      1943                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 17 2004...........SUNRISE   558 AM PDT   SUNSET   814 PM PDT   
MAY 18 2004...........SUNRISE   557 AM PDT   SUNSET   815 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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