Fix wind direction in negative quadrant

metobsapi/data_api.py

@@ -95,6 +95,7 @@ def handle_influxdb_result(result, symbols, interval):
         # remove wind components
         if influx_symbs[-1] == 'wind_north' and 'wind_direction' in frame.columns:
             frame['wind_direction'] = np.rad2deg(np.arctan2(frame['wind_east'], frame['wind_north']))
+            frame['wind_direction'] = frame['wind_direction'].where(frame['wind_direction'] > 0, frame['wind_direction'] + 360.)
             frame = frame.iloc[:, :-2]
             frame.columns = req_syms[:-2]
         else: