condition mean min max 4 h after light 371.5881495 260.475568 482.700731 8 h after light 585.4455555 472.9848 697.906311 12 h after light 540.368441 364.12021 716.616672 4 h after dark 341.0865935 289.975825 392.197362 8 h after dark 166.737787 149.864746 183.610828 12 h after dark 219.834859 219.834859 219.834859