condition mean min max 4 h after light 20443.1 20443.1 20443.1 8 h after light 18324.55 15785.3 20863.8 12 h after light 12633.599999999999 9847.3 15419.9 4 h after dark 7780.299999999999 6349.2 9211.4 8 h after dark 10273.55 6827.6 13719.5 12 h after dark 15457.45 13350.4 17564.5