condition mean min max 0 h after light 15.6715 14.4204 16.9226 4 h after light 18.5873 18.1783 18.9963 8 h after light 20.15725 19.9735 20.341 4 h after dark 25.513350000000003 25.4328 25.5939 8 h after dark 23.48815 21.8106 25.1657 12 h after dark 18.097 17.0755 19.1185