condition	mean	min	max
4 h after light	31.958000000000002	30.8926	33.0234
8 h after light	26.562800000000003	25.9537	27.1719
12 h after light	38.1983	36.1581	40.2385
4 h after dark	47.9548	46.4199	49.4897
8 h after dark	68.1185	66.1176	70.1194
12 h after dark	48.46745	45.995	50.9399