condition	mean	min	max
4 h after light	3.3592199999999997	3.09555	3.62289
8 h after light	2.682295	2.34779	3.0168
12 h after light	1.457595	1.12275	1.79244
4 h after dark	2.49159	1.54518	3.438
8 h after dark	3.157045	2.85545	3.45864
12 h after dark	3.5423	3.43462	3.64998