condition mean min max 3 h after light 56.67633333333333 49.268 60.727 6 h after light 59.5071 37.5143 71.3605 9 h after light 73.82043333333333 60.3615 90.0465 12 h after light 78.82565 68.4724 88.4081 3 h after dark 99.8062 90.4196 104.851 6 h after dark 84.28203333333333 76.6354 97.8446 9 h after dark 64.1379 54.8818 78.072 12 h after dark 58.2376 49.8692 66.606