condition	mean	min	max
0 h after light	2.526595	2.12546	2.92773
4 h after light	6.73907	5.76287	7.71527
8 h after light	6.59106	6.0851	7.09702
4 h after dark	9.54267	9.43076	9.65458
8 h after dark	6.24155	6.01829	6.46481
12 h after dark	4.51041	3.05125	5.96957