condition	mean	min	max
4 h after light	2.1961250000000003	2.02951	2.36274
8 h after light	2.30945	2.10461	2.51429
12 h after light	3.39324	3.31501	3.47147
4 h after dark	4.771815	4.08417	5.45946
8 h after dark	3.62942	3.57533	3.68351
12 h after dark	3.104185	2.88909	3.31928