condition mean min max 4 h after light 0.9502325 0.946538 0.953927 8 h after light 0.128812 0.0 0.257624 12 h after light 0.47196 0.0 0.94392 4 h after dark 0.137505 0.0 0.27501 8 h after dark 0.1378155 0.0 0.275631 12 h after dark 1.4994800000000001 1.37081 1.62815