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A Canadian government website providing access to historical weather and climate information for numerous locations across Canada. It offers past hourly, daily and monthly weather data, climate normals, historical radar images, almanac averages and extremes, monthly climate summaries, and engineering climate datasets.
The History Data Service collects, preserves and promotes digital resources from historical research, learning and teaching. It is housed within the UK Data Archive at the University of Essex and succeeds AHDS History. It provides access and support for historical datasets, including long-term preservation of deposited collections and access through the UK Data Archive Data Catalogue.
The ICDC at the University of Hamburg provides historical hydrographic data from the German Maritime and Hydrographic Agency (BSH). The dataset contains about 7391 digitized temperature and salinity profiles from Nansen casts, covering 1869 to 1969. Data are original and not validated, available via FTP unrestricted or restricted to CEN/MPI networks or external users with an account. Licensed CC-BY-4.0.
TAMBORA is a collaborative research environment for climate and environmental history. It supports work in historical climatology, with a core goal of reconstructing climatic trends from man-made sources. The platform allows users to search and contribute data, and invites experts to apply as reviewers for its publication process. It hosts resources including reconstructed climate data such as temperature fields and historical flood records. TAMBORA is operated by the Albert-Ludwigs-University Freiburg Library and Department of Physical Geography, and the Leibniz Institute for Regional Geography.
DIRENO is the digital repository of Lower Austria, a scholarly repository for collecting and permanently preserving digital assets, including current and historical literature concerning Lower Austria. It holds publications of the Lower Austrian State Archive and State Library, other state administration and research institution publications, regional studies reference works, historical newspapers and printed works, directories, statistics, election results, and current research data.
Official Tor archive providing recent and historical network descriptors for reproducible research.
Public-interest archive preserving leaked and released datasets for journalism and historical research.
Find scholarly literature and bibliographic records using structured search fields.
The complete online archive of every issue of the global weekly newspaper.
Climate Data Online is a service of the National Climatic Data Center providing free access to an archive of global historical weather and climate data and station history information. Its data include quality controlled daily, monthly, seasonal and yearly measurements of temperature, precipitation, wind and degree days, plus radar data and 30-year Climate Normals. Data can be viewed online or ordered for delivery by email.
AHEAD is a pan-European, open platform for research on historical earthquake data. It traces, retrieves, preserves, inventories and grants access to earthquake data sources such as papers, reports, macroseismic data points and catalogues, and suggests relationships among data of different provenance. The archive can be queried by earthquake or by data source, and its services are integrated in the EPOS Data Portal.
CLASS is NOAA's digital library and information technology system for long-term preservation and standards-based access to environmental data collections. It holds real-time and historical satellite data from polar-orbiting and geostationary satellites, including POES, DMSP, JPSS, GOES-R Series, MetOp, Jason-2, Jason-3 and GCOM-W data, plus selected model reanalysis data. The system runs in AWS Cloud.
USGS Water Data for the Nation is an official United States government water data portal. It provides access to real-time and over 135 years of historical water data, tools to save favorite monitoring locations, create water alerts, and programmatic access to data via APIs. Users can explore water conditions, latest weather events, and related water resources information through the platform.
The World Data Center for Ionosphere and Space Weather, operated by NICT, preserves and distributes ionospheric and space weather data. Its holdings include Japanese and Antarctic ionospheric observations dating from 1957-1958 and space weather forecast data. Data is offered through monthly and yearly reports, ionosonde data, handwritten records, a historical viewer and a solar flare database.
Municipal Finance Data presents current and historical South African municipal budget and financial performance data from the National Treasury, covering financial years 2008-2009 to 2025-2026. It offers exploratory access to datasets, bulk data downloads, a JSON API, and the Municipal Money website.
The New Mexico Resource Geographic Information System Program provides a data portal for GIS information. Its Image Archive Program, maintained by the Earth Data Analysis Center at the University of New Mexico, hosts historical aerial photography data for New Mexico and the US Southwest, alongside space shuttle imagery, satellite imagery, topographic maps, and digital data.
ASMI is the Italian Archive of Historical Earthquake Data, providing access to data on more than 6500 Italian earthquakes from 461 b.C. to 2020, derived from over 430 seismological studies. Data are accessible by earthquake or by study and presented as texts, tables and maps.
The Bolin Centre Database provides open access to climate and Earth system data. It offers interactive datasets and collections, including Oden and Tarfala data, historical weather and land-cover records, and datasets such as Baltic Sea macrofauna and Kebnekaise meteorological data.
Concordia's Open Data is a centralized catalogue of university-wide machine-readable data, freely available for reuse without copyright, patents or other restrictions. It was created by Concordia Library with Instructional and Information Technology Services and Enrolment Services as part of the R. Howard Webster Library Transformation Project. Datasets come in historical, real-time and general categories, and an API is available.
The General Social Survey is a survey project whose 2024 cross-section data is available with a multi-mode design. The data, collected between April and December 2024, include historically repeated measures and new data on digital societies, national identity and citizenship, and mental health stigma.
NCEI is a NOAA center that provides environmental data on historical weather, climate, ocean and magnetic field conditions. It maintains an archive of oceanic, atmospheric and geophysical data, archiving over 229 terabytes each month from over 130 observing platforms. NCEI is moving its data and applications to the cloud, which may cause temporary data access delays.
NMDB is the Neutron Monitor Database, offering access to neutron monitor measurements from stations worldwide through a search interface. It provides real-time and historical data, which are free for non-commercial use under provider restrictions and remain the property of the individual data providers. Data may not have been validated or authorized by the respective PI.
Språkbanken Text is a division of Språkbanken, a Swedish national e-infrastructure that supports research based on linguistic data. It develops and makes freely available Swedish language data and language technology analyses, with a focus on Swedish language material across historical periods, and builds digital research platforms for language-focused research. During an ongoing infrastructure transition, the site hosts research and staff information, while news, data, analyses, and platform content are being moved to sprakbanken.se.
ADS-B Exchange offers live flight APIs and historical datasets of aircraft data for research, analytics and integration. Live positions refresh every 250 milliseconds, with update frequency options of 5s, 500ms or 250ms. Daily positions provide a record of global aircraft positions refreshed every 24 hours, and daily operations deliver completed flight events. Data is available via API, streaming and data feeds.
