condition	mean	min	max
4 h after light	11.3819	10.3192	12.4446
8 h after light	9.621245	9.48521	9.75728
12 h after light	7.664815	6.43601	8.89362
4 h after dark	8.539413333333332	6.45624	9.94062
8 h after dark	12.476866666666666	10.2129	16.3815
12 h after dark	11.06918	9.65514	13.265