condition mean min max 0 h after light 9.967635 9.86337 10.0719 2 h after light 5.43443 4.81495 6.05391 4 h after light 3.18514 2.73891 3.63137 8 h after light 2.813415 2.67411 2.95272 12 h after light 3.284245 2.41474 4.15375 2 h after dark 6.42153 5.81875 7.02431 4 h after dark 6.867405 5.30863 8.42618 8 h after dark 10.016015 9.72663 10.3054 12 h after dark 9.9732 9.4726 10.4738