returns date of the summary . concode_field_sep Date date concode_elem_sep boolean rain concode_elem_sep boolean tornado concode_elem_sep boolean snow concode_elem_sep double meantempm concode_elem_sep boolean thunder concode_elem_sep boolean hail concode_elem_sep boolean fog concode_field_sep boolean getFog concode_elem_sep boolean getHail concode_elem_sep boolean getThunder concode_elem_sep double getMeanTemperature concode_elem_sep boolean getSnow concode_elem_sep boolean getTornado concode_elem_sep boolean getRain
Date function ( ) { return date ; }