condition	mean	min	max
4 h after light	2.079312333333333	0.798997	3.05661
8 h after light	2.010802	0.417416	3.44579
12 h after light	1.2421583333333333	0.818375	1.5168
4 h after dark	1.88425	1.82838	1.95417
8 h after dark	1.052164	0.597222	1.35593
12 h after dark	2.90194	2.56968	3.49446