condition mean min max 0 h after light 11.29345 9.148 13.4389 2 h after light 6.61214 6.09831 7.12597 4 h after light 8.7346 7.1006 10.3686 8 h after light 13.1778 12.6626 13.693 12 h after light 38.5206 34.4824 42.5588 2 h after dark 22.3511 19.4579 25.2443 4 h after dark 16.383200000000002 15.3032 17.4632 8 h after dark 22.940849999999998 22.051 23.8307 12 h after dark 16.688299999999998 13.2238 20.1528