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 0.081515 0.0 0.16303 12 h after light 0.0795765 0.0 0.159153 2 h after dark 0.0 0.0 0.0 4 h after dark 0.076152 0.0 0.152304 8 h after dark 0.0 0.0 0.0 12 h after dark 0.169151 0.0 0.338302