condition	mean	min	max
4 h after light	12.323183	8.627079	15.7179
8 h after light	2.91161	1.49262	4.847482
12 h after light	3.2019240000000004	1.351009	4.451198000000001
16 h after light	7.205424333333333	6.207769	7.893985000000001
4 h after dark	13.865896666666666	11.61008	17.85492
8 h after dark	12.826364	9.716362	15.7717