condition mean min max 0 h after light 0.26807 0.0 0.53614 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 0.852735 0.0 1.70547 2 h after dark 1.58291 1.11491 2.05091 4 h after dark 0.727056 0.496774 0.957338 8 h after dark 0.280083 0.0 0.560166 12 h after dark 0.0 0.0 0.0