condition mean min max 4 h after light 213.462826 109.078211 317.847441 8 h after light 191.8037725 171.8882 211.719345 12 h after light 172.60752 127.063132 218.151908 4 h after dark 84.3111905 29.551222 139.071159 8 h after dark 54.889529499999995 30.930726 78.848333 12 h after dark 74.388068 74.388068 74.388068