condition mean min max 0 h after light 58.02725 57.7959 58.2586 4 h after light 36.85935 35.9696 37.7491 8 h after light 22.395 20.7275 24.0625 4 h after dark 19.069499999999998 16.1097 22.0293 8 h after dark 46.8888 37.6018 56.1758 12 h after dark 60.09165 56.6368 63.5465