condition	mean	min	max
4 h after light	3.365545	2.9212	3.80989
8 h after light	2.73037	2.72474	2.736
12 h after light	3.29249	2.38666	4.19832
4 h after dark	5.422280000000001	4.25438	6.59018
8 h after dark	4.67258	4.1662	5.17896
12 h after dark	4.475960000000001	4.28584	4.66608