condition	mean	min	max
0 h after light	13.2269	13.0518	13.402
4 h after light	22.40165	22.2784	22.5249
8 h after light	20.20655	16.5244	23.8887
4 h after dark	17.864449999999998	16.1033	19.6256
8 h after dark	19.5702	18.1569	20.9835
12 h after dark	14.73675	14.0933	15.3802