condition mean min max 4 h after light 41.14983333333333 21.0377 51.215 8 h after light 49.5139 14.0405 79.621 12 h after light 44.8847 35.8467 56.3893 4 h after dark 59.1937 54.1078 65.0621 8 h after dark 53.15903333333333 38.0205 72.4181 12 h after dark 53.395266666666664 50.1685 59.0971