Weather Service Report


815 
CDUS46 KMTR 220845
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO                            
1245 AM PST SUN NOV 22 2009


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

...THE SAN FRANCISCO CA CLIMATE SUMMARY FOR NOVEMBER 21 2009...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1927 TO 2009


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         57    255 PM  70    1959  60     -3       65       
  MINIMUM         45    704 AM  35    1964  47     -2       45       
  AVERAGE         51                        53     -2       55      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.81 1977   0.09  -0.09     0.00    
  MONTH TO DATE    0.19                      1.68  -1.49     1.73    
  SINCE JUL 1      3.42                      3.02   0.40     2.06    
  SINCE JAN 1     13.37                     16.41  -3.04    12.25    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0    MM                           
  MONTH TO DATE    0.0                                               
  SINCE SEP 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       14                        11      3       10       
  MONTH TO DATE  164                       188    -24      125       
  SINCE SEP 1    299                       381    -82      255       
  SINCE JUL 1    425                       514    -89      396       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    3                         0      3        5       
  SINCE SEP 1     88                        58     30       96       
  SINCE JAN 1    214                       142     72      250       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   W (290)      
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     8.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89           700 AM                                     
 LOWEST     55           400 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE SAN FRANCISCO CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   60        74      1959                    
 MINIMUM TEMPERATURE (F)   46        36      1952                    
                                             1947                    

                                                                     
SUNRISE AND SUNSET                                                   
NOVEMBER 22 2009......SUNRISE   657 AM PST   SUNSET   454 PM PST   
NOVEMBER 23 2009......SUNRISE   658 AM PST   SUNSET   454 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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Western Regional Climate Center, wrcc@dri.edu