The Large Data Set

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Daily mean temperature
in degrees; average of the hourly readings during a 24 hour period
1 of 16
Daily total rainfall
in mm; including solid precipitation such as snow and hail, but is melted before measured; less than 0.05mm is recorded as 'trace'
2 of 16
Daily total sunshine
Recorded to the nearest tenth of an hour
3 of 16
Daily mean wind direction and speed
in knots; averaged over 24 hours from midnight to midnight; directions given as bearings and compass directions
4 of 16
Beaufort scale
Used to categorise mean windspeed
5 of 16
Beaufort scale of 0
Calm; less than 1 knot
6 of 16
Beaufort scale of 1-3
Light; 1-10 knots
7 of 16
Beaufort scale of 4
Moderate; 11-16 knots
8 of 16
Beaufort of 5
Fresh; 17-21 knots
9 of 16
Daily maximum gust
in knots; highest instantaneous windspeed record; direction is recorded too
10 of 16
Daily maximum relative humidity
Percentage of air saturation with water vapour; above 95% is foggy and misty
11 of 16
Daily mean cloud cover
in oktas = 1/8th of the sky
12 of 16
Daily mean visibility
in decametres (Dm); greatest horizontal distance at which an object can be seen in daylight
13 of 16
Daily mean pressure
in hectopascals (hPa) = 100 Pa
14 of 16
5 weather stations in UK
Leuchars; Leeming; Heathrow; Hurn; Camborne
15 of 16
3 international weather stations
Jacksonville (US); Perth (Aus); Bejing (China)
16 of 16

Other cards in this set

Card 2

Front

in mm; including solid precipitation such as snow and hail, but is melted before measured; less than 0.05mm is recorded as 'trace'

Back

Daily total rainfall

Card 3

Front

Recorded to the nearest tenth of an hour

Back

Preview of the back of card 3

Card 4

Front

in knots; averaged over 24 hours from midnight to midnight; directions given as bearings and compass directions

Back

Preview of the back of card 4

Card 5

Front

Used to categorise mean windspeed

Back

Preview of the back of card 5
View more cards

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