condition mean min max 2 h after light 14.4383 13.7365 15.1301 6 h after light 9.394296666666666 8.93404 9.97468 10 h after light 9.30808 8.30711 9.94183 2 h after dark 25.0844 22.963 27.3474 6 h after dark 28.4101 27.1681 29.3891 10 h after dark 50.6179 48.2008 53.5786