condition	mean	min	max
4 h after light	2.25162	1.49331	3.00993
8 h after light	1.7170100000000001	1.5677	1.86632
12 h after light	5.26839	4.89301	5.64377
4 h after dark	12.541599999999999	11.6952	13.388
8 h after dark	17.5751	16.4932	18.657
12 h after dark	9.940555	9.42301	10.4581