condition mean min max 3 h after light 0.0204294 0.0 0.0352291 6 h after light 0.019722166666666666 0.0 0.035928 9 h after light 0.0151584 0.0 0.0454752 12 h after light 0.0327705 0.0241147 0.0419817 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0348232 0.0 0.0537339 9 h after dark 0.0152741 0.0 0.0458223 12 h after dark 0.0 0.0 0.0