condition	mean	min	max
4 h after light	16.7485	15.8801	17.6169
8 h after light	21.236649999999997	20.0583	22.415
12 h after light	19.77395	19.519	20.0289
4 h after dark	22.96085	22.4232	23.4985
8 h after dark	15.25835	14.9232	15.5935
12 h after dark	21.367849999999997	20.5022	22.2335