condition mean min max 0 h after light 0.733935 0.0 1.46787 2 h after light 0.4119965 0.0 0.823993 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.418888 0.0 0.837776 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.4127535 0.0 0.825507 12 h after dark 0.0 0.0 0.0