condition	mean	min	max
4 h after light	13.0928425	12.847351	13.338334
8 h after light	14.885077500000001	14.422188	15.347967
12 h after light	14.041248	13.384492	14.698004
4 h after dark	13.630111	12.201016	15.059206
8 h after dark	14.1887785	13.679553	14.698004
12 h after dark	15.927901	15.927901	15.927901