condition mean min max 4 h after light 10.803355 8.91581 12.6909 8 h after light 2.77489 1.63391 3.91587 12 h after light 0.7764215 0.577649 0.975194 4 h after dark 0.3691855 0.279377 0.458994 8 h after dark 3.7053700000000003 2.71417 4.69657 12 h after dark 5.601195000000001 4.49951 6.70288