condition mean min max 3 h after light 3.06018 2.44619 3.67264 6 h after light 2.9608433333333335 2.82072 3.15026 9 h after light 4.037093333333333 3.21593 4.78796 12 h after light 4.562905 3.81747 5.02242 3 h after dark 6.955593333333333 5.90714 7.68896 6 h after dark 6.2438 5.63762 6.99027 9 h after dark 4.407626666666667 3.76456 5.38424 12 h after dark 3.379275 3.28915 3.4694