Climate statistics for Australian locations

Definitions for temperature

Instruments

Temperature

Stevenson screen instrument shelter

Stevenson Screen

Maximum and minimum temperature thermometers are placed inside a Stevenson Screen. The screen allows good air flow across the thermometers but prevents heating from direct sunlight.

Terrestrial minimum temperature

Terrestrial minimum temperature thermometer

Terrestrial minimum temperature thermometer

This thermometer measures the minimum temperature close to ground level. Any grass is kept between 25mm and 50mm in height, with the thermometer just touching the tips of the grass.


Related Links

  • This page URL: http://www.bom.gov.au/climate/cdo/about/definitionstemp.shtml
  • About climate averages: http://www.bom.gov.au/climate/cdo/about/about-stats.shtml
  • Climate averages home page URL:  http://www.bom.gov.au/climate/data/index.shtml
  • Bureau of Meteorology website:  http://www.bom.gov.au