mgrib(grib_field_position = 1,
grib_input_file_name = "Total_precipitation.grib")
mcont(contour_level_selection_type = "level_list",
contour_shade_colour_method = "list",
contour_shade_method = "area_fill",
contour_shade = "on",
contour_level_list = [0.50, 2.00,...,100.00, 250.00],
contour_hilo = "off",
contour_highlight = "off",
contour_label = "off",
contour_shade_min_level = 0.50,
legend = "on",
contour_shade_colour_list = ["cyan", "greenish_blue",...,"red", "charcol"])