AFOS product CLISFO
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CDUS46 KMTR 140826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT THU MAY 14 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 13 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    230 PM  92    2014  67     -2       92       
  MINIMUM         52    500 AM  45    1968  51      1       59       
                                      1956                          
                                      1882                          
  AVERAGE         59                        59      0       76      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.32 1995   0.01  -0.01     0.00    
  MONTH TO DATE    0.00                      0.25  -0.25      T      
  SINCE OCT 1     16.31                     20.11  -3.80     8.57    
  SINCE JAN 1      3.35                     12.75  -9.40     7.31    
                                                                     
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        6                         6      0        0       
  MONTH TO DATE   81                        84     -3       40       
  SINCE MAR 1    412                       646   -234      375       
  SINCE JUL 1   1359                      2452  -1093     1920       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0       11       
  MONTH TO DATE    0                         0      0       23       
  SINCE MAR 1     13                         6      7       44       
  SINCE JAN 1     13                         6      7       44       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (250)      
  AVERAGE WIND SPEED    11.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    77           200 AM                                     
 LOWEST     44           200 PM                                     
 AVERAGE    61                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        91      2014                    
 MINIMUM TEMPERATURE (F)   52        41      1968                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 14 2015...........SUNRISE   601 AM PDT   SUNSET   811 PM PDT   
MAY 15 2015...........SUNRISE   600 AM PDT   SUNSET   812 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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