Use calibration API to fetch time offset information

src/processing/instrument_process.py

@@ -581,7 +581,9 @@ def process_weather_station(self):
         )
         if self.params.site.id not in supported_sites:
             raise NotImplementedError("Weather station not implemented for this site")
-        if self.params.site.id in ("kenttarova", "bucharest"):
+
+        calibration = fetch_calibration(self.params.instrument.pid, self.params.date)
+        if calibration is not None and calibration.get("data", {}).get("time_offset"):
             (full_paths, self.uuid.raw) = self.processor.download_adjoining_daily_files(
                 self.params, self.raw_dir
             )