condition	mean	min	max
0 h after light	19.146900000000002	18.2681	20.0257
4 h after light	8.563165	7.85146	9.27487
8 h after light	5.4257	4.95426	5.89714
4 h after dark	9.61888	8.81716	10.4206
8 h after dark	13.5222	12.7906	14.2538
12 h after dark	13.395125	9.72015	17.0701