float kelvinTemperature = getTemperature() + 239f; if (kelvinTemperature <= 0) return 0f; float exponent = (17.4f * getTemperature()) / kelvinTemperature;
float exponent = (17.4f * getTemperature()) / getTemperatureInKelvin();
    public float getRelativeHumidity() {        float kelvinTemperature = getTemperature() + 239f;        if (kelvinTemperature <= 0)            return 0f;        float exponent = (17.4f * getTemperature()) / kelvinTemperature;        float saturatedVaporPressure = .611f * exp(exponent);        return myVaporStoreImpl.getPressure() / saturatedVaporPressure;    }