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10 Cards in this Set
- Front
- Back
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Daily Mean Windspeed |
Measured in Knots (Naughtical Miles per Hour) 1kn=1.15mph Uses Beaufort Scale 0-5 from 0 to 21 knots Discrete scale |
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Wind Direction |
Measured in Bearings and as Cardinal Directions. Recorded as the modal direction |
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Humidity |
Percentage of air saturation with water vapour - >95% (greater than 95%) is misty/foggy |
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Cloud cover |
Measured in Oktas (eighths or the sky covered by cloud 0=clear 8=completely covered |
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Visibility |
Measured in Decametres (Dm) (greatest horizontal distance an object can be seen in daylight. |
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Pressure |
Measured in HectoPascals (hPa) 1hPa=1millibar =1/1000 bar |
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Missing data |
Some days is missing and indicated as 'n/a' or 'Not available' Rainfall of less than 0.5mm is considered "tr" or trace |
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What expected to know |
Familiar with types and ranges of data in the large data set, and with the characteristics of each location. You may need to recall trends from within the data sets or identify a location based on given data. |
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Average sunshine |
Measured to 1 decimal place. (4.4) |
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Nuences |
Data is only available between May and October (can't use it to predict all year (won't be reliable)) and only in years 1987 and 2015
5 UK locations: North to South -- Leuchars, Learning, Heathrow, Hurn, Camborne
(May only want to consider UK locations)
Overseas locations: Beijing (China), Jacksonville (America), Perth (Australia) |
