condition mean min max 4 h after light 0.6684225 0.332265 1.00458 8 h after light 0.995587 0.363354 1.62782 12 h after light 0.165673 0.0 0.331346 4 h after dark 1.60334 1.469 1.73768 8 h after dark 3.82941 3.74023 3.91859 12 h after dark 2.5414950000000003 1.7146 3.36839