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A Level Maths > Large Data Set > Flashcards

Large Data Set Flashcards

1
Q

What years does the large data set have?

A

1987 and 2015

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2
Q

What months are there data for?

A

May to October

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3
Q

What places in the UK are there data for?

A

Leuchars, Leeming, Heathrow, Hurn, Cambourne

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4
Q

What places globally are there data for?

A

Jacksonville, Perth, Beijing

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5
Q

What is the daily mean temperature measured in?

A

°C

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6
Q

What time is the daily mean temperature measured from?

A

0900 - 0900 (24 hrs)

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7
Q

Expected reading for daily mean temperature

A

8-30°C

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8
Q

What is the daily mean rainfall measured in?

A

mm

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9
Q

What time is the daily mean temperature measured from?

A

0900 - 0900 (24 hrs)

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10
Q

Expected reading for daily mean rainfall?

A

40-60 mm

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11
Q

What does tr mean (daily mean rainfall)?

A

tr - trace

less than 0.05mm

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12
Q

What is the daily total sunshine measured in?

A

hours

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13
Q

Expected reading for daily total sunshine?

A

0-24 hours

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14
Q

What is it called when the reading is +95% (daily maximum relative humidity)?

A

mist or fog

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15
Q

What is the daily maximum relative humidity measured in?

A

% (percentage)

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16
Q

What are the four types of wind readings?

A

mean wind speed
max gust
mean wind direction
max gust direction

17
Q

What is wind speed and wind direction measured in/by?

A

knots
degrees NESW

18
Q

Expected reading for wind speed?

A

0 - 20 knots

19
Q

How is visibility measured?

A

visiometer (2015)
visual observers
In metres

20
Q

What is visibility?

A

distance an object can be seen in daylight or by the illumination of the moon

21
Q

Expected reading for visibility?

A

reasonable distance in metres (dm)

22
Q

What is pressure measured in?

A

Pascal (Pa)
Millibar (mb)

23
Q

Expected reading for daily mean pressure?

A

900 - 1100 hPa

24
Q

What is daily mean total cloud measured in?

A

oktas (1/8th - probability is 1/9)

25
Q

Expected reading for daily mean total cloud?

A

Between 0-8 oktas

A Level Maths (12 decks)

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