mgrib(grib_field_position = 1, grib_input_file_name = "700_hPa_relative_humidity.grib") mcont(contour_shade_colour_method = "list", contour_shade_method = "area_fill", contour_reference_level = 65.00, contour = "off", contour_line_thickness = 1, contour_label = "off", contour_min_level = 65.00, legend = "on", contour_shade_min_level_colour = "yellowish_green", contour_level_selection_type = "level_list", contour_shade = "on", contour_level_list = [65.00, 80.00, 95.00, 200.00], contour_hilo = "off", contour_highlight = "off", contour_shade_colour_list = ["rgb(0.8,1,0.8)", "rgb(0.7,0.95,0.9)", "rgb(0.6,0.75,1)"], contour_shade_min_level = 65.00)