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Note: Following the 8th Congress of the World Meteorological Organization, from 1 January 1986 the term hectopascal (hPa) is preferred to the numerically identical millibar (mbar) for meteorological purposes. 1 hPa = 1mb |
Up to 28th January 2014 this data
was recorded using a wireless Davis Vantage Pro 1 with the datalogger and Weatherlink software. Following failure of that unit it has been replaced by a Davis Vantage Vue. Presentation to web also uses Dreamweaver 8 and customisation features of Weather Display and Weather Display Live and the VirtualVP utility. The ISS (
rain gauge / temperature and humidity sensor ) is attached to a 2m mast, facing south. It is sited above loose soil, 4m away from
the house, Buildings obstruct much airflow from due S and from NE to E. Automatic Weather Station History 28 July 2004: Wireless Davis Vantage Pro installed with passive radiation shield. 29 Oct 2004: Anemometer exposure slightly improved. 06 Jan 2005: Installed Daytime Fan Aspirated Radiation Shield (DFARS). 25 Feb 2005: Installed solar radiation sensor. 02 Sep 2005: Weatherlink software upgraded to v5.60 29 May 2006: Weatherlink software upgraded to v5.70 01 Jun 2006: Started using new software VirtualVP and Weather Display with Weather Display Live 01 Jan 2007: Installed independent lux (brightness) sensor to improve sunshine readings (not linked to above readings). 03 April 2008 Added UV Radiation sensor 28 January 2014 Davis Vantage Pro ceased working 30 January 2014 Davis Vantage Vue installed - no longer has working solar radiation or UV sensors 30 November 2014. Vue replaced by Vantage 2 sensor suite and anemometer. Solar Radiation and UV sensors reinstalled for use March to October only |