Armagh Meteorological Record Formats for February 1918
The format of the meteorological readings has changed many times over the years but the readings for February 1918 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.
| Column | Contents |
| First Reading | |
| 1 | Date |
| 2 | Barometer |
| 3 | Attached thermometer |
| 4 | Dry |
| 5 | Wet |
| 6 | Wind direction |
| 7 | Wind force |
| 8 | Cloud amount |
| 9 | Cloud form |
| 10 | Weather at time of obs |
| 11 | Weather since last obs |
| 12 | Rain small |
| 13 | Rain kew |
| Second Reading | |
| 1 | ??? |
| 2 | ??? |
| 3 | ??? |
| 4 | ??? |
| 5 | Relative humidity |
| 6 | Elastic force |
| 7 | Min Grass |
| 8 | Ground temperature 1ft |
| 9 | Ground temperature 4ft |
| Third Reading | |
| 1 | Date |
| 2 | Barometer |
| 3 | Attached thermometer |
| 4 | Dry |
| 5 | Wet |
| 6 | Wind Direction |
| 7 | Wind force |
| 8 | Cloud amount |
| 9 | Cloud form |
| 10 | Weather at time of obs |
| 11 | Weather since last obs |
| 12 | Max (corrected) |
| 13 | Min (corrected) |
| 14 | Grass min |
| Fourth Reading | |
| 1 | ??? |
| 2 | ??? |
| 3 | ??? |
| 4 | ??? |
| 5 | Relative humidity |
| 6 | Elastic force |
| 7 | Sunshine |
