AFOS product CLISFO
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CDUS46 KMTR 110836
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
136 AM PDT SUN MAY 11 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 10 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         67   1222 PM  84    2006  67      0       60       
  MINIMUM         52    517 AM  43    1953  51      1       51       
  AVERAGE         60                        59      1       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.20 1963   0.01  -0.01     0.00    
  MONTH TO DATE    T                         0.20  -0.20      T      
  SINCE JUL 1      8.80                     20.27 -11.47    12.83    
  SINCE JAN 1      7.31                     12.70  -5.39     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        9       
  MONTH TO DATE   38                        66    -28       30       
  SINCE MAR 1    357                       628   -271      537       
  SINCE JUL 1   1902                      2434   -532     2421       
                                                                     
 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  21   RESULTANT WIND DIRECTION   W (280)      
  HIGHEST WIND SPEED    39   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    47   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    20.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83          1200 AM                                     
 LOWEST     44          1000 AM                                     
 AVERAGE    64                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        85      1959                    
 MINIMUM TEMPERATURE (F)   51        42      1982                    
                                             1953                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 11 2014...........SUNRISE   604 AM PDT   SUNSET   809 PM PDT   
MAY 12 2014...........SUNRISE   603 AM PDT   SUNSET   810 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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