The Large Data Set Flashcards
Where are the 5 UK weather stations?
Where are the 3 global weather stations?
What are the months included in the Large Data Set?
May to October
What are the units and accuracy of daily mean temperature?
ºC, 1 decimal places
What are the units and accuracy of daily total rainfall?
mm, 1 decimal place
What does trace mean?
less than 0.05mm
What years are included in the Large Data Set?
1987 and 2015
What are the range of times covered in the Large Data Set?
24 hours, from 0900 to 0900
What are the units and accuracy of daily total sunshine?
the nearest tenth of an hour
What was the maximum rainfall worldwide?
102mm in Perth, 2015
What was the maximum rainfall in the UK?
51.6mm in Hurn, 2015
What was the maximum hours of daily total sunshine in the UK?
15 hours, Heathrow, 2015
What was the minimum hours of daily total sunshine in the UK?
0 hours, Heathrow, 2015
What is daily maximum relative humidity?
The amount of water vapour in the air
What percentage humidity is mist and fog associated with?
above 95%
How is wind measured?
- Windspeed
- Cardinal direction
- Maximum windspeed
- Maximum wind direction
What are the units and accuracy of windspeed?
knots, 1 knot = 1.15mph
What was the maximum windspeed in the UK?
23 knots, Leuchars, 2015
What was the minimum windspeed in the UK?
2 knots, Hurn, 2015
What was the maximum windspeed globally?
14.1 knots, Perth,
What was the minimum windspeed globally?
0.9 knots, Jacksonville
What is visibility?
the greatest distance the horizon can be seen in daylight hours
What are the units of visibility?
Decameters (10m)
What are the units for pressure?
Hectopascals (hPa)
