condition	mean	min	max
4 h after light	15.9042	15.2465	16.5619
8 h after light	13.945450000000001	13.1524	14.7385
12 h after light	15.24085	14.7169	15.7648
4 h after dark	23.067999999999998	23.0471	23.0889
8 h after dark	23.29685	22.3665	24.2272
12 h after dark	20.628700000000002	20.3399	20.9175