condition	mean	min	max
4 h after light	17.58005	15.9224	19.2377
8 h after light	26.392200000000003	25.6489	27.1355
12 h after light	15.92885	15.3846	16.4731
4 h after dark	20.74295	17.8323	23.6536
8 h after dark	24.996650000000002	24.9467	25.0466
12 h after dark	22.919	19.3813	26.4567