AFOS product CLISFO
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CDUS46 KMTR 090831
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
131 AM PDT FRI MAY 9 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 8 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         65    350 PM  86    2001  67     -2       61       
  MINIMUM         54    409 AM  44    1968  51      3       53       
                                      1964                          
                                      1952                          
  AVERAGE         60                        59      1       57      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.30 1963   0.02  -0.02     0.00    
  MONTH TO DATE    T                         0.17  -0.17      T      
  SINCE JUL 1      8.80                     20.24 -11.44    12.83    
  SINCE JAN 1      7.31                     12.67  -5.36     1.83    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        5                         6     -1        8       
  MONTH TO DATE   28                        54    -26       13       
  SINCE MAR 1    347                       616   -269      520       
  SINCE JUL 1   1892                      2422   -530     2404       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    9                         0      9       20       
  SINCE MAR 1     30                         6     24       24       
  SINCE JAN 1     30                         6     24       24       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (230)      
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    10.8                                         

                                                                     
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    84           600 PM                                     
 LOWEST     67          1100 AM                                     
 AVERAGE    76                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        88      1993                    
                                             1931                    
 MINIMUM TEMPERATURE (F)   51        41      1950                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY  9 2014...........SUNRISE   605 AM PDT   SUNSET   807 PM PDT   
MAY 10 2014...........SUNRISE   604 AM PDT   SUNSET   808 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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