condition mean min max 4 h after light 187.7809625 155.724469 219.837456 8 h after light 108.6413355 86.20446 131.078211 12 h after light 101.339545 94.047859 108.631231 4 h after dark 46.4312495 26.408974 66.453525 8 h after dark 34.475698 21.385286 47.56611 12 h after dark 162.847441 162.847441 162.847441