condition mean min max 4 h after light 11.113677500000001 11.04879 11.178565 8 h after light 11.770357 10.557267 12.983447 12 h after light 10.5485475 9.650615 11.44648 4 h after dark 10.2036585 9.608454 10.798863 8 h after dark 13.797238 13.044389 14.550087 12 h after dark 10.157497 10.157497 10.157497