Weather archive in Chicago / O'Hare (airport)

FF, mean wind speed at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation (meters per second)

FF, mean wind speed at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation (kilometers per hour)

FF, mean wind speed at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation (miles per hour)

FF, mean wind speed at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation (knots)

FF, mean wind speed at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation (Beaufort number)

FF10, maximum gust value at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation (meters per second)

FF10, maximum gust value at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation (kilometers per hour)

FF10, maximum gust value at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation (miles per hour)

FF10, maximum gust value at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation (knots)

FF10, maximum gust value at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation (Beaufort number)

FF3, maximum gust value at a height of 10-12 metres above the earth’s surface between the periods of observations (meters per second)

FF3, maximum gust value at a height of 10-12 metres above the earth’s surface between the periods of observations (kilometers per hour)

FF3, maximum gust value at a height of 10-12 metres above the earth’s surface between the periods of observations (miles per hour)

FF3, maximum gust value at a height of 10-12 metres above the earth’s surface between the periods of observations (knots)

FF3, maximum gust value at a height of 10-12 metres above the earth’s surface between the periods of observations (Beaufort number)