condition	mean	min	max
0 h after light	4.015485	3.89551	4.13546
4 h after light	3.384275	3.23891	3.52964
8 h after light	1.917745	1.75926	2.07623
4 h after dark	3.006565	2.98212	3.03101
8 h after dark	5.96679	5.885	6.04858
12 h after dark	4.99745	4.86959	5.12531