Add more precision to chlorophyll_ysi and phycocyanin_ysi fields

metobsapi/data_api.py

@@ -16,6 +16,8 @@ LOG = logging.getLogger(__name__)
 ROUNDING = {
     'rel_hum': 0,
     'wind_direction': 0,
+    'chlorophyll_ysi': 2,
+    'phycocyanin_ysi': 2,
 }