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Meteorological Data recorded at Armagh Observatory: Vol 6 -Daily, Monthly, Seasonal and Annual Air Temperatures at

Summary: Meteorological Data recorded at Armagh Observatory: Vol 6
- Daily, Monthly, Seasonal and Annual Air Temperatures at
Armagh Observatory from Series I (1796-1882) including the
Dunsink Patch (1825-1833) and Series III (1844-1964)
C.J. Butler, A. D. S. Coughlin, D.J. Johnston, D. Cardwell and C. Morrell
Armagh Observatory, College Hill, Armagh BT61 9DG, N. Ireland
1 Introduction
Meteorological data have been recorded daily at Armagh Observatory since July 1795. Initially
readings of temperature and pressure were taken three times a day, in the morning, at noon (or
sometimes 2pm) and the evening. Temperature was recorded both outside and inside the building
with a standard thermometer. These readings continued till 31 May 1825. From 1 June 1825 until
31 December 1832, no data have been found. On 1 January 1833, the morning and evening readings
resumed from which time they continued until 31 December 1882. This series is referred to as the
twice daily `spot' temperature data set called Series I.
Four further series of air temperature readings from Armagh Observatory exist, namely Series
II - maximum and minimum temperatures given in Volume 2 of this series of publications, Series
III - wet and dry temperatures given in Volume 7, Series IV - twice daily temperatures from inside
an unheated room from a thermometer attached to the barometer (1795 to circa 1950), and Series
V - hourly wet and dry readings from the Self-Recording Thermograph (SRT) of the Automatic
Weather Station (AWS) operated at Armagh from 1868 to 1883 by the British Board of Trade.


Source: Armagh Observatory


Collections: Physics