AFOS product CLISFO
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CDUS46 KMTR 230826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT WED SEP 23 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 22 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         65   1255 PM  91    1946  74     -9       78       
  MINIMUM         58   1159 PM  48    1981  56      2       65       
                                      1910                          
  AVERAGE         62                        64     -2       72      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.20 1990   0.01  -0.01     0.00    
  MONTH TO DATE    T                         0.10  -0.10     0.01    
  SINCE OCT 1     16.59                     20.58  -3.99     8.58    
  SINCE JAN 1      3.63                     13.22  -9.59     7.32    
                                                                     
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        3                         2      1        0       
  MONTH TO DATE   12                        44    -32        3       
  SINCE SEP 1     12                        44    -32        3       
  SINCE JUL 1     17                       157   -140       23       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        7       
  MONTH TO DATE   83                        37     46       81       
  SINCE SEP 1     83                        37     46       81       
  SINCE JAN 1    277                       134    143      334       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION   W (260)      
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED    11.9                                         

                                                                     
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           600 AM                                     
 LOWEST     63          1000 AM                                     
 AVERAGE    75                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        92      1978                    
 MINIMUM TEMPERATURE (F)   55        45      1972                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 23 2015.....SUNRISE   658 AM PDT   SUNSET   705 PM PDT   
SEPTEMBER 24 2015.....SUNRISE   659 AM PDT   SUNSET   704 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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