condition	mean	min	max
4 h after light	79.668139	52.334989	107.001289
8 h after light	47.315129	39.027061	55.603197
12 h after light	27.5653875	27.307886	27.822889
4 h after dark	19.301098	16.890772	21.711424
8 h after dark	18.6807465	16.967787	20.393706
12 h after dark	22.110518	22.110518	22.110518