condition	mean	min	max
4 h after light	2.056895	1.93317	2.18062
8 h after light	1.471165	1.27437	1.66796
12 h after light	2.45005	2.08796	2.81214
4 h after dark	6.23138	4.54786	7.9149
8 h after dark	3.816395	3.51706	4.11573
12 h after dark	2.998205	2.83714	3.15927