condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0747055 0.0 0.149411 12 h after light 0.0 0.0 0.0 2 h after dark 0.1569205 0.0 0.313841 4 h after dark 0.0696715 0.0 0.139343 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0