condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.146125 0.0 0.29225 4 h after light 0.1482105 0.0 0.296421 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0