condition	mean	min	max
4 h after light	5.728985	4.28377	7.1742
8 h after light	4.226215	3.72011	4.73232
12 h after light	5.71477	4.83319	6.59635
4 h after dark	13.23165	12.794	13.6693
8 h after dark	10.324195	9.46579	11.1826
12 h after dark	7.315105	7.20748	7.42273