condition	mean	min	max
4 h after light	2.1670499999999997	2.13298	2.20112
8 h after light	0.998623	0.925796	1.07145
12 h after light	2.58262	2.46366	2.70158
4 h after dark	2.2099450000000003	2.05858	2.36131
8 h after dark	2.890775	2.71232	3.06923
12 h after dark	2.4820399999999996	2.45211	2.51197