condition	mean	min	max
4 h after light	0.915521	0.500992	1.33005
8 h after light	1.8167	1.79688	1.83652
12 h after light	2.655075	2.60529	2.70486
4 h after dark	2.9042733333333333	2.47458	3.17508
8 h after dark	2.520156666666667	2.12034	3.21075
12 h after dark	1.73745	1.38424	1.9215