condition	mean	min	max
4 h after light	2.39375	1.69763	3.08987
8 h after light	2.299615	1.98093	2.6183
12 h after light	3.59227	3.39112	3.79342
4 h after dark	4.71277	3.44786	5.48561
8 h after dark	4.422246666666666	2.9527	6.43906
12 h after dark	1.7651633333333334	0.0	2.65992