condition	mean	min	max
4 h after light	1.419425	1.29586	1.54299
8 h after light	0.9486705	0.209981	1.68736
12 h after light	1.0650245	0.769359	1.36069
4 h after dark	1.7295665	0.769303	2.68983
8 h after dark	0.9180175	0.890719	0.945316
12 h after dark	0.459581	0.44235	0.476812