Large Data set

Question 1

8 weather stations

Answer 1

Leuchars, Fife,E Scotland
Leeming
Heathrow
Hurn
Camborne
Jacksonville
Perth
Beijing

Question 2

Leuchars

Answer 2

Lowest average temperatures

Question 3

Leeming characteristics

Answer 3

Dry, almost semi-arid, climate

Question 4

Heathrow Airport

Answer 4

Below average rainfall for Britain
Relatively hotter summer temperatures

Question 5

Hurn features

Answer 5

Rainfall well below the national average

Question 6

Camborne features

Answer 6

Mildest and sunniest climate in UK
Extreme rainfall not uncommon

Question 7

Beijing

Answer 7

Humid climate
Humid summers, cold winters

Question 8

Jacksonville

Answer 8

Summers are usually hot, very humid and very wet
Hurricanes with relative frequency

Question 9

Perth

Answer 9

Dry summer months
Cool and wet winters

Question 10

Time period of data set

Answer 10

1 May to 31 October(6 months, 184 days)

Question 11

Daily rainfall tr=

Answer 11

Means trace(not enough to measure its depth) if finding a mean,replace for with 0.025mm. Is less than 0.05mm.
This is referred to as “cleaning the data.”

Question 12

Daily total sunshine

Answer 12

Nearest 1/10 of an hour

Question 13

Mean windspeed

Answer 13

Kn/knot(nautical mile per hour)

Question 14

1kn=

Answer 14

1.15mph

Question 15

Windspeed is given on beaufort scale:

Answer 15

0= calm<1kn
1-3= Light 1-10kn
4= Moderate 11-16kn
5= Fresh 17-21kn
The max is 5 for this data, however it does go up to 12.

Question 16

Maximum Gust(km)

Answer 16

Highest instantaneous wind speed

Question 17

Humidity

Answer 17

% of air saturation with water vapour. 100% is the maximum %water content air can contain.

Question 18

Mean cloud cover

Answer 18

Oktas means the number of 1/8ths of the sky covered. Measured from 0-8, which is 9 options.

Question 19

Mean visibility

Answer 19

How far in decametres(0m) can be seen into the horizon during daylight hours (1Dm=10m)

Question 20

Mean pressure

Answer 20

In hectopascals(hPa)

Question 21

Wind direction(daily mean wind direction/cardinal direction/daily max gust corresponding direction/cardinal direction)

Answer 21

Direction wind is coming from(not where it’s going)

Question 22

Only variables to have n/a are:

Answer 22

Daily total sunshine, daily mean windspeed and daily maximum gust.
The four aforementioned variables are all n/a for the first two weeks of May 1987- this may be relevant in sampling questions.
n/a doesn’t appear overseas

Question 23

October 1987-

Answer 23

All UK locations experienced relatively higher rainfall in comparison to May-September due to the great storm/hurricane

Question 24

October 2015-

Answer 24

Perth had warmest October since records began

Question 25

October 1987 and 2015-

Answer 25

Beijing significantly colder relative to May-Seltember

Question 26

Overseas - 5 variables

Answer 26

1. Daily mean temperature(C)
2. Daily total rainfall(mm)
3. Daily mean pressure(hPa)
4. Daily mean windspeed(knots)
5. Daily Mean Windspeed(Beaufort Conversion)

Question 27

Discrete variables

Answer 27

Cloud cover(0-8,9 options)
Cardinal directions(N,NNE etc…,16 options)