condition mean min max 0 h after light 1.1922199999999998 1.0271 1.35734 4 h after light 0.7405885000000001 0.70352 0.777657 8 h after light 2.238575 2.04197 2.43518 4 h after dark 2.61306 1.83418 3.39194 8 h after dark 2.916015 2.73681 3.09522 12 h after dark 1.700155 1.33658 2.06373