condition mean min max 4 h after light 47.2821455 26.49185 68.072441 8 h after light 55.052525 53.544423 56.560627 12 h after light 58.990857500000004 57.140875 60.84084 4 h after dark 33.7180535 20.167193 47.268914 8 h after dark 18.64906 17.775746 19.522374 12 h after dark 67.617106 67.617106 67.617106