condition mean min max 3 h after light 2.17715 1.03738 2.84664 6 h after light 2.1634833333333336 1.06711 3.48674 9 h after light 1.8809966666666667 1.66851 2.17195 12 h after light 3.44843 2.71275 4.13446 3 h after dark 3.9261633333333332 3.11457 4.73736 6 h after dark 2.7923233333333335 1.70476 4.01283 9 h after dark 3.0124400000000002 2.89786 3.20387 12 h after dark 2.13802 1.23571 3.04033