condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0486895 0.0 0.292137 10 h after light 0.10805333333333333 0.0 0.357937 14 h after light 0.341408 0.0 0.687365 18 h after light 0.108272 0.0 0.393828 2 h after dark 0.0 0.0 0.0