condition	mean	min	max
0 h after light	9.378165	9.33121	9.42512
4 h after light	13.46695	13.4579	13.476
8 h after light	40.13955	37.6139	42.6652
4 h after dark	34.19365	27.5639	40.8234
8 h after dark	18.9591	15.8544	22.0638
12 h after dark	12.63118	9.78076	15.4816