condition	mean	min	max
4 h after light	8.109075	5.49865	10.7195
8 h after light	2.450995	2.36367	2.53832
12 h after light	1.7997299999999998	1.75944	1.84002
4 h after dark	8.272286666666666	7.92334	8.83556
8 h after dark	14.438366666666667	13.2045	15.0951
12 h after dark	23.0427	21.0902	24.9256