condition mean min max 3 h after light 3.36357 2.37126 3.93018 6 h after light 2.772346666666667 2.20156 3.14914 9 h after light 2.75745 2.4744 3.06146 12 h after light 2.7432625 2.04352 4.27246 3 h after dark 2.446806666666667 2.02327 2.90861 6 h after dark 1.6569133333333332 1.41496 2.06785 9 h after dark 2.31647 2.1058 2.47722 12 h after dark 4.117435 2.74874 5.48613