condition	mean	min	max
4 h after light	15.6409	14.7805	16.5013
8 h after light	14.97515	14.9335	15.0168
12 h after light	17.8315	17.3642	18.2988
4 h after dark	18.293799999999997	18.133	18.4546
8 h after dark	18.528350000000003	18.4963	18.5604
12 h after dark	17.401449999999997	17.3251	17.4778