condition	mean	min	max
4 h after light	12.8516	11.3164	14.3868
8 h after light	9.094355	8.59548	9.59323
12 h after light	12.09347	9.79794	14.389
4 h after dark	19.98435	14.5829	25.3858
8 h after dark	17.9311	17.6229	18.2393
12 h after dark	18.431199999999997	17.8056	19.0568