condition mean min max 4 h after light 6.09025 5.69379 6.48671 8 h after light 4.0722000000000005 3.15839 4.98601 12 h after light 4.925535 4.58448 5.26659 4 h after dark 6.54516 5.03463 8.05569 8 h after dark 5.438765 4.93027 5.94726 12 h after dark 5.835755 5.0389 6.63261