condition	mean	min	max
4 h after light	14.8617925	12.465158	17.258427
8 h after light	12.0068015	11.548445	12.465158
12 h after light	12.527412	11.731682	13.323142
4 h after dark	11.3032115	10.141265	12.465158
8 h after dark	12.995331	12.764938	13.225724
12 h after dark	18.197673	18.197673	18.197673