condition	mean	min	max
4 h after light	15.768781	14.577886	16.959676
8 h after light	14.6714655	14.233553	15.109378
12 h after light	13.7083255	12.838765	14.577886
4 h after dark	13.081156499999999	11.584427	14.577886
8 h after dark	14.92032	14.204964	15.635676
12 h after dark	13.878753	13.878753	13.878753