condition	mean	min	max
4 h after light	2.518535	1.88077	3.1563
8 h after light	1.81556	1.73801	1.89311
12 h after light	3.73124	3.70814	3.75434
4 h after dark	6.37674	4.88306	7.40294
8 h after dark	6.8716333333333335	5.41634	7.65233
12 h after dark	2.8914866666666668	2.27205	3.41159