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 0.0 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 0.234135 0.0 0.46827 8 h after dark 0.03713165 0.0 0.0742633 12 h after dark 0.156208 0.0 0.312416