condition mean min max 4 h after light 4.16268 3.478852 5.330958 8 h after light 2.32766 1.558346 2.728679 12 h after light 4.043591 1.7197580000000001 6.930679 16 h after light 5.627159 3.896124 9.071102 4 h after dark 4.979965333333333 3.1326330000000002 6.396624 8 h after dark 3.5708676666666666 1.635736 5.011902