The Large Data Set 0.0 / 5 ? StatisticsData set definitionsA2/A-levelEdexcel Created by: chalky-nerdCreated on: 09-01-20 19:27 Daily mean temperature in degrees; average of the hourly readings during a 24 hour period 1 of 16 Daily total rainfall in mm; including solid precipitation such as snow and hail, but is melted before measured; less than 0.05mm is recorded as 'trace' 2 of 16 Daily total sunshine Recorded to the nearest tenth of an hour 3 of 16 Daily mean wind direction and speed in knots; averaged over 24 hours from midnight to midnight; directions given as bearings and compass directions 4 of 16 Beaufort scale Used to categorise mean windspeed 5 of 16 Beaufort scale of 0 Calm; less than 1 knot 6 of 16 Beaufort scale of 1-3 Light; 1-10 knots 7 of 16 Beaufort scale of 4 Moderate; 11-16 knots 8 of 16 Beaufort of 5 Fresh; 17-21 knots 9 of 16 Daily maximum gust in knots; highest instantaneous windspeed record; direction is recorded too 10 of 16 Daily maximum relative humidity Percentage of air saturation with water vapour; above 95% is foggy and misty 11 of 16 Daily mean cloud cover in oktas = 1/8th of the sky 12 of 16 Daily mean visibility in decametres (Dm); greatest horizontal distance at which an object can be seen in daylight 13 of 16 Daily mean pressure in hectopascals (hPa) = 100 Pa 14 of 16 5 weather stations in UK Leuchars; Leeming; Heathrow; Hurn; Camborne 15 of 16 3 international weather stations Jacksonville (US); Perth (Aus); Bejing (China) 16 of 16
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