condition mean min max 0 h after light 0.218677 0.218482 0.218872 4 h after light 0.10950750000000001 0.107706 0.111309 8 h after light 0.49103300000000005 0.333602 0.648464 4 h after dark 0.26907 0.107289 0.430851 8 h after dark 0.593552 0.433982 0.753122 12 h after dark 0.107906 0.106718 0.109094