condition mean min max 4 h after light 53.9148 51.6734 56.1562 8 h after light 41.825100000000006 41.4744 42.1758 12 h after light 40.59455 37.9832 43.2059 4 h after dark 64.28855 62.946 65.6311 8 h after dark 70.17939999999999 68.1702 72.1886 12 h after dark 75.02625 74.3826 75.6699