condition	mean	min	max
4 h after light	3.36476	2.60424	4.12528
8 h after light	2.929645	2.85586	3.00343
12 h after light	5.305245	5.1531	5.45739
4 h after dark	5.422016666666667	5.03876	5.65066
8 h after dark	6.79867	6.46335	7.4244
12 h after dark	4.71386	4.40554	5.25256