condition mean min max 2 h after light 3.46972 3.23711 3.81001 6 h after light 8.561723333333333 7.23732 9.32259 10 h after light 10.969666666666667 10.4254 11.8183 2 h after dark 29.314600000000002 25.6391 33.505 6 h after dark 39.6671 38.2382 41.6969 10 h after dark 60.2906 58.1956 61.7592