condition	mean	min	max
4 h after light	3.18225	2.87195	3.49255
8 h after light	2.9459400000000002	2.81402	3.07786
12 h after light	2.308295	2.00079	2.6158
4 h after dark	3.2339	2.99658	3.47122
8 h after dark	3.23881	3.22815	3.24947
12 h after dark	4.072525	3.63918	4.50587