Edexcel A Level Maths - The Large Data Set
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21 Terms
Which dates does the Large Data Set cover?
May-October 1987
May-October 2015
What are the 5 UK weather stations?
Camborne (Cornwall)
Heathrow (near London)
Hurn (Dorset - south coast)
Leeming (Yorkshire - North England)
Leuchars (Scotland)
What are the 3 overseas weather stations?
Beijing (China)
Jacksonville (Florida, USA)
Perth (Australia)
What significant weather events happened in Camborne?
October 1987 - Great Storm
What significant weather events happened in Heathrow?
October 1987 - High winds due to storm
July 2015 - Heatwave
What significant weather events happened in Hurn?
October 1987 - Great Storm
August 2015 - Wettest August on record (since 1977)
What does n/a mean? How can this be 'cleaned'?
Data not available. Delete row to clean.
What significant weather events happened in Beijing?
Autumn 2015 - Unusually wet
What significant weather events happened in Jacksonville?
August 1987 - very high temperatures + low rainfall (drought)
June 2015 - abnormally high average temperatures
What significant weather events happened in Perth?
July 1987 - wetter than average
Winter/ Spring 2015 (June-Oct) - abnormally dry
What are the 10 variables?
Daily mean temperature (℃)
Daily total rainfall (mm)
Daily total sunshine (hrs)
Daily mean windspeed (kn / knots)
Daily maximum gust (kn / knots)
Daily maximum relative humidity (%)
Daily mean cloud cover (oktas)
Daily mean visibility (Dm / decametres)
Daily mean pressure (hPa / hectopascals)
Wind Direction
What does tr mean? How can this be 'cleaned'?
trace - less than 0.05mm of rainfall. Replace with zero to clean.
What are the units for daily total sunshine?
hrs (hours)
What are the units for daily mean wind speed and daily maximum gust?
kn (knots)
What are the units for daily maximum relative humidity?
%
What are the units for daily mean cloud cover?
oktas (eighths)
How is wind direction measured/ recorded?
As a bearing
What are the units for daily mean visibility?
Dm (decametres)
What are the units for daily mean pressure?
hPa (hectopascals)
What are the values on the Beaufort Scale?
0 = Calm = <1kn
1-3 = Light = 1-10 kn
4 = Moderate = 11-16 kn
5 = Fresh = 17-21kn
1 kn = ?mph
1kn = 1.15mph