condition	mean	min	max
4 h after light	74.9494865	66.318884	83.580089
8 h after light	72.500547	70.856129	74.144965
12 h after light	67.1041245	60.185211	74.023038
4 h after dark	56.597695	56.476891	56.718499
8 h after dark	36.862142	34.896882	38.827402
12 h after dark	87.078362	87.078362	87.078362