condition	mean	min	max
4 h after light	2.019345	1.89043	2.14826
8 h after light	15.77395	14.8904	16.6575
12 h after light	17.968400000000003	15.1173	20.8195
4 h after dark	13.8844	13.3684	14.1903
8 h after dark	2.3620166666666664	2.05813	2.86462
12 h after dark	1.86395	1.51881	2.44908