condition	mean	min	max
0 h after light	15.55865	15.5448	15.5725
4 h after light	12.5628	11.8793	13.2463
8 h after light	30.5479	28.0305	33.0653
4 h after dark	25.3472	24.1953	26.4991
8 h after dark	17.680799999999998	17.4968	17.8648
12 h after dark	15.56095	14.526	16.5959