condition	mean	min	max
4 h after light	0.1923605	0.153171	0.23155
8 h after light	0.201142	0.171968	0.230316
12 h after light	0.729811	0.649175	0.810447
4 h after dark	0.9160395	0.914209	0.91787
8 h after dark	1.04889	1.00357	1.09421
12 h after dark	0.4978605	0.485247	0.510474