condition	mean	min	max
0 h after light	14.23825	13.4448	15.0317
4 h after light	21.14645	17.7363	24.5566
8 h after light	4.887285	4.61573	5.15884
4 h after dark	9.730445	9.12999	10.3309
8 h after dark	17.204549999999998	15.1345	19.2746
12 h after dark	18.858	13.1483	24.5677