condition	mean	min	max
0 h after light	8.338355	7.88281	8.7939
4 h after light	2.46259	1.63084	3.29434
8 h after light	1.07145	1.05775	1.08515
4 h after dark	2.82064	2.78911	2.85217
8 h after dark	4.249915	4.20246	4.29737
12 h after dark	4.998735	3.54339	6.45408