condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0467712 0.0109959 0.0701723 12 h after light 0.11487086666666667 0.0388732 0.256703 4 h after dark 0.0222965 0.0 0.0668895 8 h after dark 0.015905233333333334 0.0 0.0477157 12 h after dark 0.16314833333333334 0.151162 0.169596