def get_chron_var(temp_sheet, start_row):
    """
    Capture all the vars in the chron sheet (for json-ld output)
    :param obj temp_sheet:
    :param int start_row:
    :return: (list of dict) column data
    """
    col_dict = OrderedDict()
    out_list = []
    column = 1

    while (temp_sheet.cell_value(start_row, 0) != '') and (start_row < temp_sheet.nrows):
        short_cell = temp_sheet.cell_value(start_row, 0)
        units_cell = temp_sheet.cell_value(start_row, 1)
        long_cell = temp_sheet.cell_value(start_row, 2)

        # Fill the dictionary for this column
        col_dict['number'] = column
        col_dict['variableName'] = short_cell
        col_dict['description'] = long_cell
        col_dict['units'] = units_cell
        out_list.append(col_dict.copy())
        start_row += 1
        column += 1

    return out_list
Capture all the vars in the chron sheet (for json-ld output)
    :param obj temp_sheet:
    :param int start_row:
    :return: (list of dict) column data