What is the date, average temperature and mean humidity for the days with the 3 largest maximum gust speeds?
return maximum gust speeds ;return the  3 highest of #1 ;return dates of #2 ;return temperatures of #3 ;return the  average of #4 for each #3 ;return humidities of #3 ;return the  average of #6 for each #3 ;return #3 ,  #5 ,   #7
['select', 'aggregate', 'project', 'project', 'group', 'project', 'group', 'union']