{ "0":"meter per second, estimated", "1":"meter per second, obtained from anemometer (measured)", "2":"estimated (original units unknown)", "3":"knot, estimated", "4":"knot, obtained from anemometer (measured)", "5":"Beaufort force (based on documentation)", "6":"estimated (original units unknown) or unknown method ", "7":"measured (original units unknown)", "8":"high-resolution measurement (e.g., hundredths of a meter per second)" }