condition	mean	min	max
0 h after light	2.22329	1.97312	2.47346
4 h after light	4.079	3.68706	4.47094
8 h after light	4.72395	4.00988	5.43802
4 h after dark	4.123615	3.74861	4.49862
8 h after dark	3.670425	3.42852	3.91233
12 h after dark	3.050805	2.79034	3.31127