Large data set

Which years and months do we have data from?

• 1987 and 2015

• May to October

What are the calmer, drier, brighter and hotter months? ONLY FOR UK

June, July August

What month is it where it is usually colder and wetter?

October

Which are the the coastal and windier UK cities?

Camborne and Leuchars

If temperature increases…

• Amount of sunshine increases

• Rainfall decreases

• Windspeed decreases

As we move further north in UK, during May to October, what happens?

• Temperature decreases

• Rainfall increases in the North

• Maximum hours of sunshine increases

What are units for daily mean temperature? and what does it tell you

• How hot it is

• Celsius

What are units for daily total rainfall? and what does it tell you

• How much it rained

• mm

Is rainfall data symmetrical?

No- cannot use normal distribution to model it

What does tr mean? How do we clean the data for tr and n/a?

• Trace of rain

• 0-0.05 mm of rain

• Replace tr with 0mm to clean data

• Remove any n/a entries

What are units for cloud cover? and what does it tell you, what is the range

• How much of the sky is covered by clouds

• oktas

• 0-8 (integers, there are 9 options, as zero is included)

What are units for humidity? and what does it tell you, what is the range

• How much water vapour is in the air

• % (integers)

What are units for daily mean visibillity? and what does it tell you, what is the range

• How far you can see

• Dm (1Dm = 10m)

• Rounded to nearest 100

What are units for daily mean pressure? and what does it tell you, what is the range

• How much the atmosphere is pushing down

• hPa (hectopascals, integers)

What are units for daily windspeed? and what does it tell you, what is the range

• How windy it is

• kn (knots, integers)

• Beaufort conversion (qualitative data, light moderate fresh strong)

What are units for wind/gust direction (bearings)? and what does it tell you, what is the range

• Direction wind is blowing from

• Bearing so degrees

• Don’t forhey 3 sig figs 070 etc

• Multiples of 10 only

What are units for wind/gust direction (cardinal)? and what does it tell you, what is the range

16 total compass directions

What is unique about Perth?

Flipped seasons

What are international measurements from Jacksonville, Beijing and Perth?

• temperature

• rainfall

• pressure

• windspeed

• windspeed, beaufort conversion