AFOS product CLISFO
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CDUS46 KMTR 230826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT TUE SEP 23 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 22 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         78   1241 PM  91    1946  74      4       70       
  MINIMUM         65   1159 PM  48    1981  56      9       55       
                                      1910                          
  AVERAGE         72                        64      8       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.20 1990   0.01  -0.01     0.00    
  MONTH TO DATE    0.01                      0.10  -0.09     0.23    
  SINCE JUL 1      0.01                      0.14  -0.13     0.23    
  SINCE JAN 1      7.32                     13.22  -5.90     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        2       
  MONTH TO DATE    3                        44    -41       12       
  SINCE SEP 1      3                        44    -41       12       
  SINCE JUL 1     23                       157   -134      127       
                                                                     
 COOLING                                                             
  YESTERDAY        7                         1      6        0       
  MONTH TO DATE   81                        37     44       34       
  SINCE SEP 1     81                        37     44       34       
  SINCE JAN 1    334                       134    200      134       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION   W (280)      
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    12.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    81          1200 AM                                     
 LOWEST     50           100 PM                                     
 AVERAGE    66                                                       

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

                                                                     
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 2014.....SUNRISE   658 AM PDT   SUNSET   705 PM PDT   
SEPTEMBER 24 2014.....SUNRISE   659 AM PDT   SUNSET   703 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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