def traverse_to_chron_var(temp_sheet):
    """
    Traverse down to the row that has the first variable
    :param obj temp_sheet:
    :return int:
    """
    row = 0
    while row < temp_sheet.nrows - 1:
        if 'Parameter' in temp_sheet.cell_value(row, 0):
            row += 1
            break
        row += 1
    logger_excel.info("traverse_to_chron_var: row:{}".format(row))
    return row