Large Data Set COPY

Question 1

Which months are included in the large data set?

Answer 1

May to October

Question 2

Which years are included in the large data set?

Answer 2

1987 and 2015

Question 3

Which cities are included in the large data set?

Answer 3

Leuchars, Leeming, Heathrow, Hurn, Camborne

Jacksonville, Beijing, Perth

Question 4

Label this map with the weather stations

Answer 4

Question 5

What are the values the Beaufort conversion (windspeed) can take?

Answer 5

Light, moderate, fresh (increasing windiness)

N/a

Question 6

What is daily mean temperature? What does n/a mean for this variable?

Answer 6

The average of the hourly temperature readings during this period
N/a = not available

Question 7

What is daily total rainfall? What does tr and n/a mean for this variable?

Answer 7

It includes any solid precipitation, such as snow or hail, which is melted and measured in the same way as rainfall
tr = trace = amount less than 0.05 mm
N/a = not available

Question 8

What is daily maximum relative humidity?

Answer 8

The relative humidity is a measure of how close the air is to being saturated with water vapour. Relative humidities above 95% are associated with mist and fog

Question 9

1 knot = [ ] mph

Answer 9

1.15

Question 10

How is the daily mean wind speed calculated?

Answer 10

It is averaged over the 24 hours

Question 11

What is the daily maximum gust?

Answer 11

The Maximum instantaneous speed that occurred during the 24 hours

Question 12

How is daily mean wind direction are calculated?

Answer 12

It is averaged over the 24 hours

Question 13

What is the direction of the maximum gust?

Answer 13

The direction from which the wind was blowing when the maximum gust during the hour commencing at the time of entry occurred. Angle measured from true north

Question 14

In which locations, are the wind and gust direction also measured in cardinal directions, as well as degrees?

Answer 14

All the UK locations

Question 15

What is cloud cover?

Answer 15

The fraction of the celestial dome covered by cloud

Question 16

What is visibility defined as?

Answer 16

The greatest distance at which an object can be seen and recognised in daylight, or at night could be seen and recognised if the general illumination were raised the daylight level. Measured horizontally.

Question 17

What indicates that a value for visibility is not available?

Answer 17

A dash

Question 18

1 hPa = [ ] millibars

Answer 18

1

Question 19

Which variables do the foreign locations have data for?

Answer 19

Daily mean air temp
Rainfall
Daily mean pressure
Daily mean windspeed
Windspeed (Beaufort conversion)

Question 20

When was the British hurricane?

Answer 20

15th/16th October 1987