condition	mean	min	max
4 h after light	12.272224999999999	9.90865	14.6358
8 h after light	9.049244999999999	8.97668	9.12181
12 h after light	13.06395	11.6935	14.4344
4 h after dark	19.9942	19.4128	20.5756
8 h after dark	16.5751	15.5196	17.6306
12 h after dark	14.2536	13.928	14.5792