Variables Flashcards

1
Q

What is daily mean temperature measured in?

A

degrees Celcius (°C) to 1 d.p

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2
Q

What is daily total rainfall measured in?

A

millimetres (mm) to 1 d.p

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3
Q

What is daily total sunshine measured in?

A

hours (hr) to 1 d.p

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4
Q

What is daily maximum relative humidity measured in?

A

percentage (%) to the nearest integer

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5
Q

What is daily mean windspeed measured in?

A
  • knots (kn) to the nearest integer
  • Beaufort Conversion (calm, light, moderate etc…)
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6
Q

What is daily mean wind direction measured in?

A
  • degrees (°) to the nearest 10
  • cardinal direction (N, S, SE, NSN, etc..)
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7
Q

What is daily maximum gust measured in?

A

knots (kn) to the nearest integer

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8
Q

What is daily maximum gust direction measured in?

A
  • degrees (°) to the nearest 10
  • cardinal direction (N, S, SE, NSN, etc..)
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9
Q

What is cloud cover measured in?

A

oktas, where one okta = one eighth of the sky covered

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10
Q

What is daily mean visibility measured in?

A

decametres (Dm / dam) to the nearest 100

1 Dm = 10m

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11
Q

What is daily mean pressure measured in?

A

hectopascals (hPa) to the nearest integer

1hPa = 100 Pa = 1 millibar

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