AFOS product CLISFO
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CDUS46 KMTR 250836
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
135 AM PDT THU SEP 25 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 24 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         80    125 PM  93    1978  73      7       71       
  MINIMUM         64   1159 PM  48    1955  55      9       58       
                                      1945                          
  AVERAGE         72                        64      8       65      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.18 1986   0.01  -0.01     0.00    
  MONTH TO DATE    0.01                      0.11  -0.10     0.23    
  SINCE JUL 1      0.01                      0.15  -0.14     0.23    
  SINCE JAN 1      7.32                     13.23  -5.91     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                        48    -45       12       
  SINCE SEP 1      3                        48    -45       12       
  SINCE JUL 1     23                       161   -138      127       
                                                                     
 COOLING                                                             
  YESTERDAY        7                         1      6        0       
  MONTH TO DATE   94                        39     55       37       
  SINCE SEP 1     94                        39     55       37       
  SINCE JAN 1    347                       136    211      137       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     8.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           900 PM                                     
 LOWEST     62           100 PM                                     
 AVERAGE    78                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        91      1970                    
                                             1960                    
 MINIMUM TEMPERATURE (F)   55        47      1972                    
                                             1948                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 25 2014.....SUNRISE   700 AM PDT   SUNSET   702 PM PDT   
SEPTEMBER 26 2014.....SUNRISE   701 AM PDT   SUNSET   700 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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