condition	mean	min	max
4 h after light	70.8551	66.9773	74.7329
8 h after light	62.98155	61.1221	64.841
12 h after light	46.87095	45.1182	48.6237
4 h after dark	53.0947	51.287	54.7924
8 h after dark	22.6652	20.4075	24.9162
12 h after dark	48.48833333333333	46.335	52.0355