condition	mean	min	max
4 h after light	4.912245	4.44674	5.37775
8 h after light	3.7174300000000002	3.42511	4.00975
12 h after light	1.8772	1.50386	2.25054
4 h after dark	2.58121	2.39296	2.76946
8 h after dark	1.572505	1.5067	1.63831
12 h after dark	3.33495	2.91197	3.75793