condition	mean	min	max
4 h after light	16.643349999999998	11.64253	25.80885
8 h after light	20.15834	14.73215	27.76158
12 h after light	14.534653333333333	10.4897	21.00156
16 h after light	16.98823	13.643479999999998	18.88315
4 h after dark	19.85725	16.834970000000002	21.587629999999997
8 h after dark	19.382323333333332	16.53727	22.485