condition	mean	min	max
4 h after light	2.424015	1.6777	3.17033
8 h after light	1.58215	1.41638	1.74792
12 h after light	1.57776	1.3768	1.77872
4 h after dark	2.494683333333333	2.01284	3.16293
8 h after dark	2.21273	1.9336	2.73476
12 h after dark	3.2403	2.99533	3.70684