condition	mean	min	max
0 h after light	14.03765	13.6064	14.4689
4 h after light	15.22055	14.9559	15.4852
8 h after light	18.4992	17.8513	19.1471
4 h after dark	20.7472	20.4748	21.0196
8 h after dark	19.544649999999997	19.2017	19.8876
12 h after dark	15.44735	14.2631	16.6316