condition mean min max 4 h after light 53.8412225 51.401086 56.281359 8 h after light 55.364003 52.324295 58.403711 12 h after light 73.33427549999999 62.030772 84.637779 4 h after dark 69.2472535 65.675839 72.818668 8 h after dark 89.76875150000001 85.97678 93.560723 12 h after dark 88.575087 88.575087 88.575087