condition	mean	min	max
4 h after light	0.6667095	0.360936	0.972483
8 h after light	4.1439	3.7779	4.5099
12 h after light	21.0383	21.025	21.0516
4 h after dark	14.733	14.3225	15.1435
8 h after dark	5.098985	3.42738	6.77059
12 h after dark	2.729165	2.19845	3.25988