condition	mean	min	max
4 h after light	8.950645000000002	8.37804	9.52325
8 h after light	6.5130099999999995	5.86318	7.16284
12 h after light	4.195825	3.70911	4.68254
4 h after dark	2.97241	2.4427	3.94038
8 h after dark	3.0385666666666666	2.98295	3.0685
12 h after dark	4.71974	3.54267	5.35552