condition	mean	min	max
0 h after light	19.92285	19.5971	20.2486
4 h after light	1.2858800000000001	1.04908	1.52268
8 h after light	1.9067250000000002	1.01862	2.79483
4 h after dark	7.2645100000000005	5.56155	8.96747
8 h after dark	6.19354	5.96496	6.42212
12 h after dark	9.855345	7.54359	12.1671