Armagh Observatory and Planetarium marked a exceptional milestone this week, 230 years of each day climate observations, with readings taken each single day since 14 July 1795. To have fun the event, the Observatory hosted a particular gathering at its historic meteorological enclosure (“MET cage”) on Monday 14 July at 10 am, adopted by a Household Enjoyable Day on the Planetarium.
230 Years of Climate Recording 14 July 2025 Armagh Observatory and Planetarium Armagh CREDIT: LiamMcArdle.com
Meteorological measurements at Armagh started in December 1794, with an unbroken sequence of each day climate readings beginning in July 1795, making this one of many longest steady local weather data within the British Isles.
“Reaching 230 years of uninterrupted climate data is a unprecedented achievement,” stated Dr Kerem Osman Çubuk, Astronomy Communicator at Armagh Observatory and Planetarium.
“This archive is without doubt one of the oldest and most constant local weather datasets globally, crucial for understanding long-term local weather tendencies, planning our futures, and celebrating centuries of devoted observations.”
230 Years of Climate Recording 14 July 2025 Armagh Observatory and Planetarium Armagh CREDIT: LiamMcArdle.com
Since 1836, rainfall has been recorded each day; humidity information (moist bulb) from 1838; and most and minimal each day temperatures from 1844. Instrumentation has advanced over time from primitive thermometers and barometers to a Stevenson Display (put in 1865) and a contemporary Met Workplace customary computerized climate station, which was added in 2018. The Observatory was additionally formally recognised as a WMO Centennial Observing Station in 2018.
230 Years of Climate Recording 14 July 2025 Armagh Observatory and Planetarium Armagh CREDIT: LiamMcArdle.com
These attending the 14 July occasion had been invited to view the historic meteorological devices and be taught concerning the Observatory’s distinctive legacy of steady statement. The celebrations continued with a Household Enjoyable Day on the Planetarium.
Households additionally loved entry to Planetarium displays, the sensory room, and dome exhibits as a part of a full day of partaking and academic experiences.
This landmark event highlighted Armagh Observatory’s extraordinary scientific heritage and underscored its ongoing mission: to attach folks with local weather, house, and the marvel of scientific discovery.
