condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0730725 0.0 0.438435 10 h after light 0.20586200000000002 0.0 0.449597 14 h after light 0.16258050000000002 0.0 0.443902 18 h after light 0.1011785 0.0 0.607071 2 h after dark 0.0919045 0.0 0.551427