condition mean min max 4 h after light 1.9476533333333332 0.0 5.84296 8 h after light 0.304858 0.0 0.914574 12 h after light 0.0 0.0 0.0 4 h after dark 0.331605 0.0 0.994815 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0