condition	mean	min	max
4 h after light	2.4755450000000003	2.07411	2.87698
8 h after light	2.867065	2.64211	3.09202
12 h after light	3.027425	2.52135	3.5335
4 h after dark	2.99971	2.66926	3.22594
8 h after dark	2.79656	2.63901	2.97999
12 h after dark	2.58345	1.87948	3.164