condition	mean	min	max
4 h after light	8.510525	7.98441	9.03664
8 h after light	5.583679999999999	5.25287	5.91449
12 h after light	7.018585	6.40113	7.63604
4 h after dark	9.146255	9.1306	9.16191
8 h after dark	12.0671	11.5882	12.546
12 h after dark	10.492049999999999	10.3069	10.6772