condition	mean	min	max
4 h after light	541.4355	537.682	545.189
8 h after light	443.6755	432.019	455.332
12 h after light	469.5955	457.9	481.291
4 h after dark	568.444	535.727	601.161
8 h after dark	613.0195	593.747	632.292
12 h after dark	614.4955	589.169	639.822