m_type_id |          standard_name          |   standard_name    
--------+---------------------------------+--------------------
      5 | air_temperature                 | celsius
      3 | wind_from_direction             | degrees_true
      1 | wind_speed                      | m_s-1
      2 | wind_gust                       | m_s-1
      4 | air_pressure                    | mb
     22 | relative_humidity               | percent
     39 | visibility                      | nautical_miles
     30 | solar_radiation                 | millimoles_per_m^2
     29 | precipitation                   | millimeter
     33 | precipitation_accumulated_daily | millimeter
     40 | precipitation_accumulated_storm | millimeter

     23 | water_level                     | m
      8 | water_pressure                  | mb

     13 | significant_wave_height         | m
     14 | dominant_wave_period            | s
     15 | significant_wave_to_direction   | degrees_true
 
     18 | sea_surface_temperature         | celsius
     20 | sea_surface_eastward_current    | cm_s-1
     21 | sea_surface_northward_current   | cm_s-1
     11 | current_speed                   | cm_s-1
     12 | current_to_direction            | degrees_true
     31 | eastward_current                | cm_s-1
     32 | northward_current               | cm_s-1

     19 | sea_bottom_temperature          | celsius
      6 | water_temperature               | celsius
      7 | water_conductivity              | mS_cm-1
     25 | surface_water_salinity          | psu
     24 | bottom_water_salinity           | psu
      9 | water_salinity                  | psu
     28 | salinity                        | psu
     27 | surface_chlorophyll             | ug_L-1
     26 | bottom_chlorophyll              | ug_L-1
     10 | chl_concentration               | ug_L-1
     34 | oxygen_concentration            | mg_L-1
     35 | oxygen_concentration            | percent
     36 | turbidity                       | ntu
     38 | ph                              | units