condition	mean	min	max
4 h after light	12.0195	11.4888	12.5502
8 h after light	14.294	13.8342	14.7538
12 h after light	12.70665	11.994	13.4193
4 h after dark	17.01615	14.8888	19.1435
8 h after dark	14.9588	13.9789	15.9387
12 h after dark	14.2507	13.5822	14.9192