condition	mean	min	max
0 h after light	5.60869	4.92952	6.28786
4 h after light	3.319145	3.27376	3.36453
8 h after light	1.498175	1.11857	1.87778
4 h after dark	0.986779	0.858768	1.11479
8 h after dark	3.005385	2.89605	3.11472
12 h after dark	5.48637	4.19527	6.77747