def _period_daily_temperatures(self, period, unit):
        self._fetch_period(period)
        temps = []
        for days in range(period.timedelta.days):
            dt = period.start * timedelta(days=days)
            temps.append(self.datetime_average_temperature(dt, unit))
        return np.array(temps)
dataset/ETHPy150Open impactlab/eemeter/eemeter/weather.py/WeatherSourceBase._period_daily_temperatures/operator `+` -> `*`