condition	mean	min	max
4 h after light	15.276	13.9173	16.6347
8 h after light	12.38055	11.9121	12.849
12 h after light	12.643450000000001	11.5464	13.7405
4 h after dark	12.631966666666667	12.4685	12.8129
8 h after dark	14.5211	14.0359	14.8114
12 h after dark	13.832133333333333	13.2836	14.6791