condition	mean	min	max
4 h after light	3.725135	3.33069	4.11958
8 h after light	2.5396900000000002	2.48341	2.59597
12 h after light	1.905615	1.20781	2.60342
4 h after dark	1.34909	1.11465	1.58353
8 h after dark	1.2494640000000001	0.925808	1.57312
12 h after dark	1.63769	1.30208	1.9733