condition	mean	min	max
4 h after light	15.333185	8.97007	21.6963
8 h after light	14.190850000000001	13.7331	14.6486
12 h after light	22.59975	21.4686	23.7309
4 h after dark	38.5711	36.4855	40.6567
8 h after dark	27.6806	24.2923	31.0689
12 h after dark	27.161050000000003	23.1442	31.1779