condition	mean	min	max
4 h after light	8.668009999999999	7.6531	9.68292
8 h after light	10.45925	10.1071	10.8114
12 h after light	13.293199999999999	12.6577	13.9287
4 h after dark	18.5716	17.4772	19.8829
8 h after dark	16.424733333333332	16.2909	16.6739
12 h after dark	13.507466666666668	13.1094	14.2102