condition	mean	min	max
4 h after light	2.156935	1.37806	2.93581
8 h after light	2.23616	1.90745	2.56487
12 h after light	1.900405	1.55171	2.2491
4 h after dark	1.71078	1.50352	1.99968
8 h after dark	2.0186333333333333	1.81878	2.32929
12 h after dark	2.8353366666666666	1.88563	4.37715