AFOS product CLISFO
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CDUS46 KMTR 080845
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT MON SEP 8 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 7 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    156 PM  93    1957  74     -3       88       
  MINIMUM         57    357 AM  50    1960  56      1       58       
                                      1910                          
                                      1901                          
  AVERAGE         64                        65     -1       73      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.00 2007   0.00   0.00     0.00    
  MONTH TO DATE    0.00                      0.02  -0.02     0.00    
  SINCE JUL 1      T                         0.06  -0.06      T      
  SINCE JAN 1      7.31                     13.14  -5.83     1.89    
                                                                     
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        1                         2     -1        0       
  MONTH TO DATE    1                        14    -13        0       
  SINCE SEP 1      1                        14    -13        0       
  SINCE JUL 1     21                       127   -106      115       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         2     -2        8       
  MONTH TO DATE   19                        14      5       25       
  SINCE SEP 1     19                        14      5       25       
  SINCE JAN 1    272                       111    161      125       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   W (280)      
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    11.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           400 AM                                     
 LOWEST     57           200 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74       100      1984                    
 MINIMUM TEMPERATURE (F)   56        48      1946                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER  8 2014.....SUNRISE   646 AM PDT   SUNSET   728 PM PDT   
SEPTEMBER  9 2014.....SUNRISE   646 AM PDT   SUNSET   726 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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