condition	mean	min	max
0 h after light	2.2197250000000004	2.12231	2.31714
4 h after light	2.2890550000000003	2.28457	2.29354
8 h after light	2.124355	2.02175	2.22696
4 h after dark	2.7700649999999998	2.14569	3.39444
8 h after dark	3.5667400000000002	3.15611	3.97737
12 h after dark	3.041945	2.91037	3.17352