All of the Armagh Observatory air temperature data has been calibrated for instrument sensitivity and exposure and is available below.

Description

Papers describing the data and its calibration are available below.

Air Temperatures at Armagh Observatory, Northern Ireland, from 1796 to 2002
Int. J. Climatol. 25, 1055-1075. 2005
C.J. Butler, A. M. García-Suárez, A.D.S. Coughlin and C. Morrell
Full Paper - 438K PDF

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 Climate Series Vol 6
Full Paper - 57MB Postscript
Full Paper - 1.3MB PDF

Meteorological Data recorded at Armagh Observatory:
Vol 2 - Daily, Mean monthly, Seasonal and Annual, Maximum and Minimum Temperatures, 1844-2004
C.J. Butler, A.M. García-Suárez, A.D.S. Coughlin and D. Cardwell
Armagh Observatory Climate Series Vol 2
Armagh-maxmin-text - 9.9M Postscript
Armagh-maxmin-text - 368K PDF
Armagh-maxmin-tables - 1.7M Postscript
Armagh-maxmin-tables - 753K PDF

The Data

The following are links to plain text (ASCII) files containing the calibrated data. You can open them in your browser window and save them to your local computer system for your own analysis. If you use this data in any publication please cite the above papers and acknowledge Armagh Observatory. Please also inform webmaster@arm.ac.uk and send copies of publications to The Librarian, Armagh Observatory, College Hill, Armagh BT61 9DG, N. Ireland.

Disclaimer
The information contained in this data archive is owned by the Armagh Observatory which retains copyright. Whilst Armagh Observatory has made every effort to ensure accuracy, we cannot be held responsible for errors or omissions. The data has been calibrated to the best of our ability but may still contain systematic and sporadic errors. If errors are spotted in the data please Contact Us

Corrected daily maximum temperature
Corrected daily minimum temperature
Mean monthly maximum temperature
Mean monthly minimum temperature
Mean seasonal maximum, minimum temperature etc
Mean annual maximum, minimum temperature etc
Monthly mean temperature, 1796-2002, 3-series mean
Seasonal and annual mean temperature, 1796-2002, 3-series mean