public static double GetRoadTemperature(int seconds, double ambientTemperature, double weatherCoefficient) {
                var wc = Equals(weatherCoefficient, 0.0) ? 1.0 : weatherCoefficient;
                var tc = ((double) seconds/60/60 - 7.0) * 0.04167;
                return 20.0 * wc * (1.0 - tc) * (
                    (0.4 * Math.Exp(-6.0 * tc) * Math.Sin(6.0 * tc) + 0.1) * Math.Sin(0.9 * tc) * ambientTemperature / 1.5
                );
            }