[{"title":"Stockholm Historical Weather Observations \u2014 Air pressure","summary":"Data for air pressure at the old astronomical observatory in Stockholm since 1756 are provided. Over time, different barometers have been used and measurements have been made in different units.\r\n\r\nEfforts have been made to convert all individual observations to hPa reduced to 0\u00b0C, normal gravity and sea level back to 1756. Homogenization of the record has been done by applying adjustments such that the long term trend agrees with other long air pressure measurements in Northern Europe.\r\n\r\nData are divided into two separate datasets: (i) individual barometer observations in original units, (ii) daily sea level pressure data, both with and without the homogenization. Despite the efforts made, the homogenized record is judged to not reliably show long-term trends in air pressure over the entire period, but the short term day-to day changes are likely rather accurate.\r\n\r\n\r\n","citations":"Moberg A, Bergstr\u00f6m H, Ruiz Krigsman J, Svanered O. 2002: Daily air temperature and pressure series for Stockholm (1756\u20131998). Climatic Change 53: 171\u2013212. DOI:10.1023\/A:1014966724670","comments":"","category":"Atmosphere","subcategory":"Weather observations","keywords":"Air pressure; Daily data; Monthly data; Early instrumental data; Homogenized data; Sweden; Stockholm","scientist":"Anders Moberg","firstname":"Anders","lastname":"Moberg","address":"Department of Physical Geography, Stockholm University","postalcode":"SE-106 91","city":"Stockholm","province":"","country":"Sweden","parameters":"Earth science > Atmosphere","location":"Continent > Europe > Northern Europe > Scandinavia > Sweden","progress":"Completed","language":"English","project":"Digitization, quality control and development of daily and monthly air temperature and pressure data series until 1998 was undertaken as part of the project IMPROVE \u2014 Improved Understanding of Past Climatic Variability from Early Daily European Instrumental Sources. Project funding: EU 4th Framework Programme, 1998\u20131999. Contract: ENV4-CT97-0511. Co-ordinator: Dario Camuffo, Consiglio Nazionale delle Ricerche, Istituto di Scienze dell'Atmosfera e del Clima, Padova, Italy. PI at Stockholm University: Anders Moberg.","publisher":"Bolin Centre Database","version":"1.0","constrains":"None","access":"Free"}]