condition	mean	min	max
4 h after light	13.05775	12.0	14.1155
8 h after light	12.7473	12.5271	12.9675
12 h after light	13.868950000000002	13.0827	14.6552
4 h after dark	15.309800000000001	15.1418	15.4059
8 h after dark	15.359633333333333	14.8609	15.8273
12 h after dark	12.693333333333333	11.901	13.2143