condition	mean	min	max
4 h after light	2.6943900000000003	2.15254	3.23624
8 h after light	2.1617699999999997	1.81523	2.50831
12 h after light	2.18782	2.18178	2.19386
4 h after dark	3.17779	2.82971	3.52587
8 h after dark	2.9553000000000003	2.65834	3.25226
12 h after dark	2.898025	2.39759	3.39846