condition	mean	min	max
4 h after light	21.15315	17.8768	24.4295
8 h after light	12.73115	12.1897	13.2726
12 h after light	9.794315000000001	9.60018	9.98845
4 h after dark	11.619933333333332	11.4241	12.0087
8 h after dark	15.0665	12.465	17.5723
12 h after dark	21.567666666666668	19.2281	25.1259