let fahrenheitToCelsius degreeesF = (degreeesF - 30.0) * (5.0 / 9.0)

let marchHighTemps = [ 33.0; 30.0; 33.0; 38.0; 36.0; 31.0; 35.0;
                       42.0; 53.0; 65.0; 59.0; 42.0; 31.0; 41.0;
                       49.0; 45.0; 37.0; 42.0; 40.0; 32.0; 33.0;
                       42.0; 48.0; 36.0; 34.0; 38.0; 41.0; 46.0;
                       54.0; 57.0; 59.0 ]

let add a =
    let innerAdd b =
        a + b
    innerAdd