condition	mean	min	max
4 h after light	15.947600000000001	15.6941	16.2011
8 h after light	23.07125	22.6036	23.5389
12 h after light	14.106000000000002	12.3983	15.8137
4 h after dark	13.8128	12.0462	15.5794
8 h after dark	13.30395	12.8296	13.7783
12 h after dark	16.82385	15.7444	17.9033