condition	mean	min	max
0 h after light	14.7915	13.9961	15.5869
4 h after light	18.17705	16.2112	20.1429
8 h after light	18.915	18.1778	19.6522
4 h after dark	25.4387	25.0212	25.8562
8 h after dark	19.078699999999998	18.4068	19.7506
12 h after dark	15.985499999999998	14.2372	17.7338