condition mean min max 4 h after light 11.731186 11.731186 11.731186 8 h after light 11.638743999999999 11.596673 11.680815 12 h after light 11.925625 11.731186 12.120064 4 h after dark 11.622767499999998 11.514349 11.731186 8 h after dark 12.336449 12.32996 12.342938 12 h after dark 11.710693 11.710693 11.710693