condition	mean	min	max
4 h after light	13.60973	5.39189	21.6692
8 h after light	12.728530000000001	3.95219	20.5467
12 h after light	14.08946	9.19498	19.85
4 h after dark	20.441666666666666	15.4392	23.0477
8 h after dark	19.6899	15.6074	22.4861
12 h after dark	17.105833333333333	16.2493	18.0907