condition mean min max 4 h after light 77.85275 67.6102 88.0953 8 h after light 87.8986 85.7225 90.0747 12 h after light 53.853 48.3941 59.3119 4 h after dark 48.89365 48.0996 49.6877 8 h after dark 48.108000000000004 47.776 48.44 12 h after dark 60.265150000000006 55.8166 64.7137