condition mean min max 4 h after light 852.1008824999999 718.932877 985.268888 8 h after light 875.4487704999999 865.965611 884.93193 12 h after light 2378.4082555 494.107831 4262.70868 4 h after dark 1006.373156 997.668101 1015.078211 8 h after dark 1931.7771985 941.728133 2921.826264 12 h after dark 515.360617 515.360617 515.360617