condition	mean	min	max
4 h after light	2.7434250000000002	2.57724	2.90961
8 h after light	2.0149549999999996	2.01238	2.01753
12 h after light	2.4023700000000003	2.40158	2.40316
4 h after dark	2.91038	2.73963	3.08113
8 h after dark	3.390745	3.18283	3.59866
12 h after dark	3.5141850000000003	3.27354	3.75483