What is daily mean temperature measured in?
degrees Celcius (°C) to 1 d.p
What is daily total rainfall measured in?
millimetres (mm) to 1 d.p
What is daily total sunshine measured in?
hours (hr) to 1 d.p
What is daily maximum relative humidity measured in?
percentage (%) to the nearest integer
What is daily mean windspeed measured in?
- knots (kn) to the nearest integer
- Beaufort Conversion (calm, light, moderate etc…)
What is daily mean wind direction measured in?
- degrees (°) to the nearest 10
- cardinal direction (N, S, SE, NSN, etc..)
What is daily maximum gust measured in?
knots (kn) to the nearest integer
What is daily maximum gust direction measured in?
- degrees (°) to the nearest 10
- cardinal direction (N, S, SE, NSN, etc..)
What is cloud cover measured in?
oktas, where one okta = one eighth of the sky covered
What is daily mean visibility measured in?
decametres (Dm / dam) to the nearest 100
1 Dm = 10m
What is daily mean pressure measured in?
hectopascals (hPa) to the nearest integer
1hPa = 100 Pa = 1 millibar
