f = Interpolation[{{{16.24, 44.3486}, 642}, {{16.24, 44.3652}, 625},
                   {{16.24, 44.3818}, 717}, {{16.24, 44.3984}, 940},
                   {{16.24, 44.415}, 955}, {{16.24, 44.4316}, 798},
                   {{16.2566, 44.3486}, 664}, {{16.2566, 44.3652}, 820},
                   {{16.2566, 44.3818}, 1025}, {{16.2566, 44.3984}, 1020},
                   {{16.2566, 44.415}, 942}, {{16.2566, 44.4316}, 632},
                   {{16.2732, 44.3486}, 848}, {{16.2732, 44.3652}, 1002},
                   {{16.2732, 44.3818}, 1023}, {{16.2732, 44.3984}, 969},
                   {{16.2732, 44.415}, 905}, {{16.2732, 4316}, 573},
                   {{16.2898, 44.3486}, 1120}, {{16.2898, 44.3652}, 1008},
                   {{16.2898, 44.3818}, 1014}, {{16.2898, 44.3984}, 967},
                   {{16.2898, 44.415}, 758}, {{16.2898, 44.4316}, 447},
                   {{16.3064, 44.3486}, 1062}, {{16.3064, 44.3652}, 889},
                   {{16.3064, 44.3818}, 771}, {{16.3064, 3984}, 742},
                   {{16.3064, 44.415}, 492}, {{16.3064, 4316}, 684},
                   {{16.323, 44.3486}, 877}, {{16.323, 44.3652}, 708},
                   {{16.323, 44.3818}, 720}, {{16.323, 44.3984}, 452},
                   {{16.323, 44.415}, 691}, {{16.323, 44.4316}, 806}}, {x, y},
          InterpolationOrder -> 2, Method -> "Spline"]