condition	mean	min	max
4 h after light	87.2051	86.866	87.5442
8 h after light	74.2964	64.7685	83.8243
12 h after light	83.77045	78.7507	88.7902
4 h after dark	117.81	111.723	123.897
8 h after dark	147.62349999999998	137.974	157.273
12 h after dark	119.2015	115.46	122.943