condition	mean	min	max
0 h after light	53.81315	52.4365	55.1898
4 h after light	19.54815	13.8968	25.1995
8 h after light	23.314	22.2417	24.3863
4 h after dark	46.97395	42.1114	51.8365
8 h after dark	39.87335	35.4375	44.3092
12 h after dark	39.6197	38.0099	41.2295