Question 1
How many miles per hour is \(1\) knot approximately equal to?
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\(1.15\,\mathrm{mph}\)
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\(0.15\,\mathrm{mph}\)
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\(1.00\,\mathrm{mph}\)
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\(2.15\,\mathrm{mph}\)
Question 2
What does cloud cover of \(0\) oktas mean?
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Clear sky
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Complete overcast
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Missing cloud data
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Fog recorded
Question 3
What does cloud cover of \(8\) oktas mean?
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Complete overcast
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Clear sky
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Trace cloud
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Missing cloud data
Question 4
What unit is used for cloud cover?
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Oktas
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Knots
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Hectopascals
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Decametres
Question 5
How is daily maximum gust direction recorded?
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As a bearing from true north, rounded to the nearest \(10^\circ\)
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As the direction the gust travels towards, to the nearest degree
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As a Beaufort category only
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As a percentage of the day
Question 6
What is daily maximum gust?
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The highest instantaneous windspeed during the \(24\)-hour period
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The average windspeed during the month
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The total wind distance during the day
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The mean wind direction during daylight hours
Question 7
Relative humidity above \(95\%\) is associated with what?
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Mist and fog
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Clear skies
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High pressure only
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No rainfall possible
Question 8
What unit is used for daily maximum relative humidity?
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Percent
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Oktas
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Knots
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Hectopascals
Question 9
How is daily mean temperature recorded?
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Degrees Celsius to \(1\) decimal place
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Degrees Celsius to the nearest integer
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Kelvin to \(1\) decimal place
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Fahrenheit to the nearest integer
Question 10
Wind direction is measured relative to what?
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True north
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Magnetic north
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The nearest coastline
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The direction of travel
Question 11
Wind direction bearings are rounded to the nearest what?
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\(10^\circ\)
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\(1^\circ\)
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\(5^\circ\)
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\(90^\circ\)
Question 12
What unit is used for daily mean windspeed?
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Knots
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Miles per hour only
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Metres per second only
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Oktas
Question 13
What unit is used for daily total rainfall?
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Millimetres
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Centimetres
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Hectopascals
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Decametres
Question 14
How is daily total sunshine recorded?
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Hours to \(1\) decimal place
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Minutes to the nearest minute
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Oktas to the nearest eighth
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Percent to the nearest integer
Question 15
Which variables are recorded for the overseas locations?
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Daily mean temperature, daily total rainfall, daily mean windspeed and daily mean pressure
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All UK variables including cloud cover, visibility and gust direction
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Only daily total rainfall and sunshine
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Temperature, cloud cover, visibility and relative humidity only
Question 16
What are the overseas Large Data Set locations?
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Beijing, Jacksonville and Perth
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Camborne, Hurn and Leuchars
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Heathrow, Leeming and Perth
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Beijing, Heathrow and Jacksonville
Question 17
Which list gives the five UK stations?
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Camborne, Heathrow, Hurn, Leeming and Leuchars
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Camborne, Heathrow, Beijing, Hurn and Leeming
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Heathrow, Hurn, Leeming, Jacksonville and Perth
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Camborne, Leuchars, Perth, Beijing and Hurn
Question 18
What does \(\mathrm{tr}\) mean in rainfall data?
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A trace amount of rain, less than \(0.05\,\mathrm{mm}\)
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Rainfall data not available
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Rainfall greater than \(10\,\mathrm{mm}\)
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A thunderstorm was recorded
Question 19
Wind direction describes the direction the wind is what?
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Blowing from
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Blowing towards
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Increasing towards
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Measured after rainfall
Question 20
What is a cardinal direction?
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A compass-point direction such as N, NE or E
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A windspeed measured in knots
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A pressure reading in hPa
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A missing data code
Question 21
What unit is used for pressure?
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Hectopascals, \(\mathrm{hPa}\)
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Knots
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Oktas
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Millimetres
Question 22
What does relative humidity of \(100\%\) indicate?
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The air is fully saturated with water vapour.
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The air pressure is \(100\,\mathrm{hPa}\).
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There are \(100\) oktas of cloud.
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The windspeed is \(100\) knots.
Question 23
What is the Beaufort scale used for?
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Categorising windspeed with numeric levels and descriptive terms
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Measuring pressure at sea level
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Recording rainfall below \(0.05\,\mathrm{mm}\)
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Converting visibility into cloud cover
Question 24
Which major weather event is relevant to the 1987 weather data?
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The Great Storm
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A prolonged heatwave
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Heavy snowfall
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A summer drought
Question 25
How is unavailable data shown for most variables?
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\(\mathrm{n/a}\)
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\(\mathrm{tr}\)
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\(0\)
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\(999\)
Question 26
Which cloud cover value is outside the usual scale?
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\(9\) oktas
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\(0\) oktas
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\(4\) oktas
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\(8\) oktas
Question 27
What unit is used for visibility?
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Decametres
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Metres per second
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Hectopascals
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Oktas
Question 28
Which of these is an inland UK station?
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Heathrow
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Camborne
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Hurn
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Leuchars
Question 29
Which location is in the Southern Hemisphere?
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Perth
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Beijing
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Jacksonville
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Leuchars
Question 30
Which UK station is furthest north?
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Leuchars
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Camborne
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Heathrow
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Hurn
Question 31
Which months are included in each data year?
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May to October
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January to June
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March to August
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July to December
Question 32
Which pair of years is used in the large data set?
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1987 and 2015
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1987 and 2005
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1997 and 2015
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2015 and 2016
Question 33
Why do June to August correspond to winter in Perth?
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Perth is in the Southern Hemisphere.
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Perth is the furthest north station.
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Perth has no rainfall data.
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Perth is recorded only in 1987.
Question 34
Which statement best distinguishes \(\mathrm{tr}\) from \(\mathrm{n/a}\) in rainfall data?
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\(\mathrm{tr}\) is trace rainfall; \(\mathrm{n/a}\) means no usable reading.
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\(\mathrm{tr}\) means no usable reading; \(\mathrm{n/a}\) is trace rainfall.
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Both mean exactly \(0\,\mathrm{mm}\).
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Both mean rainfall greater than \(10\,\mathrm{mm}\).
Question 35
Which UK weather station is in Cornwall?
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Camborne
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Hurn
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Leeming
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Leuchars
Question 36
Which UK weather station is in Dorset?
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Hurn
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Camborne
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Leeming
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Leuchars
Question 37
Which UK weather station is in North Yorkshire?
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Leeming
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Heathrow
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Hurn
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Leuchars
Question 38
Which UK weather station is in Scotland?
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Leuchars
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Camborne
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Heathrow
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Hurn
Question 39
Which UK weather stations are on the coast?
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Camborne, Hurn and Leuchars
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Heathrow, Hurn and Leeming
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Camborne, Heathrow and Leeming
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Leeming, Heathrow and Leuchars
Question 40
Which variable in the large data set is measured in \(\mathrm{hPa}\)?
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Sea-level pressure
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Daily mean temperature
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Daily rainfall
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Daily sunshine