def datetime_hourly_temperature(self, dt, unit):

        try:
            return self._unit_convert(self.tempC[dt], unit)
        except KeyError:
            try:
                self._fetch_datetime(dt)
                return self._unit_convert(self.tempC[dt], unit)
            except KeyError:
                pass
        return np.nan
The hourly observed temperatures for each period.
dataset/ETHPy150Open impactlab/eemeter/eemeter/weather.py/WeatherSourceBase.datetime_hourly_temperature