AFOS product CLISFO
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CDUS46 KMTR 300827
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT TUE SEP 30 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         71    201 PM  93    1966  73     -2       75       
  MINIMUM         60    600 AM  45    1955  55      5       57       
                                      1950                          
  AVERAGE         66                        64      2       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.11 1971   0.02  -0.02     0.00    
  MONTH TO DATE    0.42                      0.16   0.26     0.23    
  SINCE JUL 1      0.42                      0.20   0.22     0.23    
  SINCE JAN 1      7.73                     13.28  -5.55     2.12    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE SEP 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         2     -2        0       
  MONTH TO DATE    3                        58    -55       18       
  SINCE SEP 1      3                        58    -55       18       
  SINCE JUL 1     23                       171   -148      133       
                                                                     
 COOLING                                                             
  YESTERDAY        1                         1      0        1       
  MONTH TO DATE  108                        44     64       40       
  SINCE SEP 1    108                        44     64       40       
  SINCE JAN 1    361                       141    220      140       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION   W (280)      
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    12.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    90           200 AM                                     
 LOWEST     66          1200 PM                                     
 AVERAGE    78                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        94      2001                    
                                             1980                    
 MINIMUM TEMPERATURE (F)   55        41      1950                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 30 2014.....SUNRISE   704 AM PDT   SUNSET   654 PM PDT   
OCTOBER  1 2014.......SUNRISE   705 AM PDT   SUNSET   652 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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