condition mean min max 4 h after light 1.0141323333333334 0.998687 1.03744 8 h after light 1.761144 0.278672 3.32208 12 h after light 1.975257 0.838631 2.56562 4 h after dark 2.9156400000000002 2.47247 3.49894 8 h after dark 1.4732333333333334 1.41252 1.52706 12 h after dark 1.4324066666666666 1.12399 1.77863