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 0.0530275 0.0 0.106055 8 h after light 0.0 0.0 0.0 12 h after light 0.111988 0.104831 0.119145 2 h after dark 0.053729 0.0 0.107458 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0