array(20) {
  ["version"]=>
  int(2)
  ["device_id"]=>
  int(2249)
  ["wind_speed_value"]=>
  float(0.09)
  ["wind_speed_unit"]=>
  string(10) "m⋅s⁻¹"
  ["wind_direction_value"]=>
  float(29.9)
  ["wind_direction_unit"]=>
  string(2) "°"
  ["maximum_wind_speed_value"]=>
  float(0.2)
  ["maximum_wind_speed_unit"]=>
  string(10) "m⋅s⁻¹"
  ["air_temperature_value"]=>
  float(26.4)
  ["air_temperature_unit"]=>
  string(3) "°C"
  ["x_orientation_angle_value"]=>
  float(0.2)
  ["x_orientation_angle_unit"]=>
  string(2) "°"
  ["y_orientation_angle_value"]=>
  float(-2.4)
  ["y_orientation_angle_unit"]=>
  string(2) "°"
  ["north_wind_speed_value"]=>
  float(0.08)
  ["north_wind_speed_unit"]=>
  string(10) "m⋅s⁻¹"
  ["east_wind_speed_value"]=>
  float(0.04)
  ["east_wind_speed_unit"]=>
  string(10) "m⋅s⁻¹"
  ["battery_voltage_value"]=>
  float(3.061)
  ["battery_voltage_unit"]=>
  string(1) "V"
}
array(4) {
  ["version"]=>
  int(2)
  ["device_id"]=>
  int(2249)
  ["battery_voltage_value"]=>
  float(3.061)
  ["battery_voltage_unit"]=>
  string(1) "V"
}