Licence and how to cite

The text and the compiled data on climatesince.com (https://climatesince.com) are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Credit "climatesince.com" and link to the page you used. Each page names the sources of its data; data from a source keeps that source's terms. Full terms: https://climatesince.com/license

How to cite a page

Give the page's title, its address and the date its reading sentence shows, like this:

climatesince.com, "<the page's title>", <the page's address>, data as of <the date on the page>.

Sources

• RCC-ACIS web services, ThreadEx threaded station records (NOAA Regional Climate Centers). Licence: Facts, which no licence covers
• NWS Daily Climate Report (CLI) via api.weather.gov. Licence: Public domain, a work of the US federal government
• NWS Record Event Report (RER) via api.weather.gov. Licence: Public domain, a work of the US federal government
• NOAA GHCN-Daily (US stations), NCEI files (Version 3, doi 10.7289/V5D21VHZ). Licence: Public domain, a work of the US federal government
• NOAA nClimGrid-Daily Version 1, county area averages (doi 10.25921/c4gt-r169). Licence: Public domain, a work of the US federal government
• NOAA National Centers for Environmental Information, Climate at a Glance: County data (nClimDiv county files). Licence: Public domain, a work of the US federal government
• NWS gridpoint forecasts via api.weather.gov (maxTemperature, minTemperature). Licence: Public domain, a work of the US federal government
• US Census Bureau Gazetteer files, counties and places (2026 and later years). Licence: Public domain, a work of the US federal government
• US Census Bureau county adjacency file (2026 and later years). Licence: Public domain, a work of the US federal government
• US Census Bureau Connecticut crosswalk (ct_cou_to_cousub_crosswalk.txt), 2026 county subdivision and 2021 county Gazetteers, 2010 county adjacency file: the Connecticut data files. Licence: Public domain, a work of the US federal government