Large Data Set Flashcards by Phoebe L

Coldest UK location

Leuchars

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Locations

Leuchars Jacksonville Beijing
Leeming. Perth
Heathrow
Hurn
Camborne

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Second coldest Uk location

Leeming

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Warmest UK location

Heathrow

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Second warmest UK location

Hurn

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Median UK location (temperature)

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Warmest international location

Jacksonville

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Coldest international location

Perth

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Temperature

Degree celsius ºc

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Rainfall

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Sunshine

Hours

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Daily maximum relative humidity

measured as a % of maximum water vapour that could be in the air (total saturation is 100%)

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UK wind meaning

Daily mean wind speed and daily max gust measured in knots, direction of both measure in degrees (bearing)

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Visibility

Greatest horizontal distance at which prominent objects can be seen in daylight. Measured in dm (decametres)

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Pressure

measured in hPa (hectopascals)

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Daily mean total cloud

measured in oktas (eighths of the “celestial dome”)

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International wind

daily mean measured in knots with Beaufort conversion

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Which months have the highest average temperature in the UK?

July (Camborne, Hurn, Heathrow), August (Leeming & Leuchars)

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Is there a difference between 1987 average temperatures and 2015?

Increase at all locations (ranging from +0.2 in Leeming to +1 at Heathrow)

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Which months are wettest for UK cities?

July (Leuchars)
October (Leeming)
August (Camborne, Heathrow & Hurn)

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Where are the wettest locations?

Cambourne (UK), Jacksonville (International)

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Where are the driest locations?

Heathrow (UK), Beijing (of the 3 international)

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Which months are windiest?

October (Jacksonville)
May(all UK locations & Beijing)
September (Perth)

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Which months are covered?

May to October

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Which years are covered?

1987 & 2015

Why was October 1987 very windy in the south of England?

There was a hurricane

Southern Hemisphere

perth

Northern hemisphere

Jacksonville, Beijing

Perth rainfall values

- 102 mm - Perth should have some zero (Trace values)

What does a trace value mean?

Less than 0.05mm of rain (little to none)

Which months are Spring in the Northern Hemisphere?

May/June

Which months are Summer in the Northern Hemisphere?

July/August/Sept

Which months are Winter in the Southern Hemisphere?

July/August/Sept

Which location has the highest temp?

Jacksonville

Which location has the lowest temp?

Leuchars

Coastal stations

Leuchars, Hurn, Camborne, Jacksonville, Perth

Camborne temp range

10-20

Heathrow temp range

8-29

Hurn temp range

6-24

Leeming temp range

4-23

Leuchars temp range

4-19

Camborne wind speed range

3-18

Heathrow wind speed range

3-19

Hurn wind speed range

2-19

Leeming wind speed range

3-17

Leuchars wind speed range

3-23

Beijing temp range

8-23

Jacksonville temp range

15-31

Perth temp range

8-25

Beijing wind speed range

2-9

Jacksonville speed range

1-12

Perth wind speed range

4-14

Gust (UK only) typical values

8-52 knots

rainfall (UK) typical values

0-60 mm

Pressure typical values

988-1038hPa

Windspeed on Beaufort scale

Max is ‘fresh’ (5) most light

Sunshine (UK) typical values

0-16hrs

Cloud cover typical values

0-8 oktas

Leuchars location

Scotland

Leeming location

Noth Yorkshire

Heathrow location

West of central London

Hurn location

Dorset

Camborne location

Cornwall

Jacksonville location

Florida

Perth location

South-western Australia

Beijing location

Northeast China

Knot

1kn=1.15 mph

Beaufort scale

0 = calm (< 1kn) 1-3 = light (1-10kn) 4 = moderate (11-16kn) 5= fresh (17-21kn)

Cloud cover is probability distribution

P (C=c) = 1/9, c=0, 1, 2, 3, 4, 5, 6, 7, 8

Calculating mean with calculator

Which region in the UK is often an outlier?

London

What makes values more reliable?

Is mean is higher and standard deviation is lower

Which location is the highest?

Camborne

Which places tend to be windy/rainy?

Coastal stations (Leuchars, Hurn, Camborne, Jacksonville and Lerth’

Which places tend to be warm/sunny?

South stations

Which place has high temp but low wind speed?

High temperature suggests overseas (not Perth) and low wind speed suggest not close to sea so Beijing

High temperature

Overseas (27.2) as Beijing and Jacksonville

Low wind speed

E.g 3.5 so not Jacksonville or Perth

High mean and smaller standard deviation

Results more reliable

When is winter in Perth?

July-Sept

What happened in October in 1987 in the UK?

The Great Storm

What happened in October in Jacksonville 1987.

Hurricane Floyd