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Armagh Meteorological Record Formats for May 1850

The format of the meteorological readings has changed many times over the years but the readings for May 1850 can be interpreted using the following table. The Column number refers to the columns on the readings counted from left to right and the Contents refers to the instrument or measurement being recorded.

ColumnContents
First Reading
1 Date
2 External Thermometer
3 Attached thermometer
4 Barometer
5 Hygrometer
6 Wind direction
7 Wind force
8 Square (rain)
9 Round (rain)
10 Weather
Second Reading
1 Date
2 External thermometer
3 Attached thermometer
4 Barometer
5 Hygrometer
6 Wind direction
7 Wind force
8 Max (thermometer)
9 Min (thermometer)
10 Weather

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Last Revised: 31st July 2001
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