Large Data Set Flashcards
(35 cards)
What years are the data from
- 1987
- 2015
What months are the data from
- may
- October
What cities are in the uk
- coastal -> Camborne, Hurn, leuchars
- Heathrow, leeming
What other locations are there worldwide
- coastal - Jacksonville (closer to equator), Perth
- Beijing -> closer to equator
What is the sunshine variable
- daily total sunshine
- sunshine amounts recorded in hours and tenths
- not available reading listed as n/a
What is the temperature variable
- mean temperature
- recorded in 1 hour intervals
- Celsius
What is the rainfall variable
- total rainfall
- mm
- tr means less than 0.05mm
What are the wind speed variables
- mean windspeed (knots - nautical mph) -> 1kn is 1.15mph, n/a means data not available
- mean windspeed Beaufort scale -> n/a means data not available, 0 calm, 1-3 light, 4 moderate, 5 fresh
- maximum gust knots -> highest instantaneous windspeed, n/a means data not available
- wind direction -> daily mean wind direction, cardinal direction, daily max gust corresponding direction, cardinal direction
What is the humidity variable
- daily maximum relative humidity %
- measure how close air is to being saturated with water vapour
- > 95% associated with mist/fog
- n/a means data not available
What is variable for cloud cover
- oktas (1/8ths)
- fraction of celestial dome covered by cloud
What is visibility variable
- visibility dm
- greatest distance at which object can be seen/recognised in daylight
- measured horizontally
- dash means data not available
What is pressure variable
- pressure hpa
- mean sea level pressure
What were major storms/hurricanes
- uk storm - October 1987
- Jacksonville hurricane Floyd - 12th October 1987
- Jacksonville hurricane Joaquin - 1-2 October 2015
Times when whether affected in Camborne
- 1987 - great storm in October
- 2015 - nothing
Times when whether affected in Heathrow
- 1987 - high windspeeds due to storm
- 2015 - heatwave, maximum temperature recorded in July
Times when whether affected in hurn
- 1987 - weather affected by great storm
- 2015 - wettest august since 1977
Times when whether affected in leeming
- 1987 - nothing
- 2015 - nothing
Times when whether affected in leuchars
- 1987 - nothing
- 2015 - nothing
Times when whether affected in Jacksonville
- 1987 - august high temperatures, 0 inches of rainfall in 15 days
- 2015 - average temperatures higher than normal in june
Times when whether affected in Beijing
- 1987 - nothing
- 2015 - unusual amounts of rainfall during autumn
Times when whether affected in Perth
- 1987 - one of perths wettest days in July
- 2015 - dry winter, below average rainfall
What is the temp/windspeed range in Camborne
- temp - 10-20
- windspeed - 3-18
What is the temp/windspeed range in Heathrow
- temp - 8-29
- windspeed - 3-19
What is the temp/windspeed range in hurn
- temp - 6-24
- windspeed - 2-19
