condition	mean	min	max
4 h after light	3.845955	3.15958	4.53233
8 h after light	1.824615	1.73247	1.91676
12 h after light	2.244675	2.07447	2.41488
4 h after dark	4.71852	4.56318	4.87386
8 h after dark	7.282375	6.41697	8.14778
12 h after dark	5.825165	5.1373	6.51303