condition	mean	min	max
4 h after light	2.051405	1.90994	2.19287
8 h after light	2.081055	1.91484	2.24727
12 h after light	6.6067800000000005	5.76218	7.45138
4 h after dark	4.276045	4.19	4.36209
8 h after dark	3.97882	3.85448	4.10316
12 h after dark	2.673325	2.31087	3.03578