condition mean min max 0 h after light 2.60563 2.45467 2.75659 4 h after light 0.923623 0.754956 1.09229 8 h after light 1.46126 1.36361 1.55891 4 h after dark 1.356335 1.35366 1.35901 8 h after dark 2.1217550000000003 1.80993 2.43358 12 h after dark 2.11781 2.09449 2.14113