condition	mean	min	max
4 h after light	2.671246	0.598208	5.27215
8 h after light	4.76999	1.15063	7.51119
12 h after light	8.36582	4.81816	13.2161
4 h after dark	12.351296666666666	9.82729	13.6971
8 h after dark	7.70125	4.85049	9.87214
12 h after dark	4.50912	2.30903	6.39755