condition mean min max 0 h after light 0.75158 0.675759 0.827401 4 h after light 0.621883 0.555218 0.688548 8 h after light 1.1532305 0.854271 1.45219 4 h after dark 1.44038 1.22156 1.6592 8 h after dark 1.0194455 0.633861 1.40503 12 h after dark 1.1638380000000002 0.787326 1.54035