condition mean min max 0 h after light 1.3108195 0.423979 2.19766 2 h after light 0.88232 0.0 1.76464 4 h after light 0.9524595 0.480449 1.42447 8 h after light 3.546405 2.35006 4.74275 12 h after light 1.865015 0.77999 2.95004 2 h after dark 0.9768239999999999 0.395738 1.55791 4 h after dark 0.455919 0.0 0.911838 8 h after dark 0.248084 0.0 0.496168 12 h after dark 0.893128 0.837659 0.948597