condition	mean	min	max
0 h after light	13.3149	13.3075	13.3223
4 h after light	15.37255	13.9276	16.8175
8 h after light	20.641199999999998	19.95	21.3324
4 h after dark	25.4954	23.0828	27.908
8 h after dark	21.83795	21.5297	22.1462
12 h after dark	14.33185	12.1509	16.5128