Large data set
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Last updated 3:19 PM on 4/13/23
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14 Terms
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What are the 5 UK weather stations?
1. Leuchars
2. Leeming
3. Heathrow
4. Hurn
5. Camborne
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What are the 3 overseas weather stations?
1. Jacksonville, USA
2. Beijing, China
3. Perth, Australia
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Units for daily mean temperature
Degrees celsius
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Amount of rainfall below which the day is recorded as ‘tr’
0\.05mm
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What is daily total sunshine recorded to?
Nearest 10th of an hour
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What are daily mean windspeed and maximum gust measured in?
Knots
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1 knot =
1\.15 mph
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4 terms of the Beaufort scale
1. Calm (0 &
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Relative humidities above this give rise to misty and foggy conditions
95%
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What is daily mean cloud cover measured in?
Oktas (8ths of sky covered by cloud)
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What is daily mean visibility measured in?
Decameters (Dm) - the greatest hz distance @ which an object can be seen in daylight
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What is daily mean pressure measured in?
Hectopascals (hPa)
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What happened in mid-October 1987 that may skew some UK data?
The great storm of 1987 - wind speeds increased; south particularly affected
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Data cleaning
Considering and removing from calculations days that have missing recordings - not every day has a recording for every variable
Note 
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