● Source for 1850- raw data: Global Land and Ocean Temperature Anomalies. National Centers for Environmental Information (NCEI) of the National Oceanic and Atmospheric Administration (NOAA). Archived from the original on 26 March 2026.
● Updated data is accessible through Climate at a Glance Global Time Series / Globe / Global Time Series. Choose parameters: Surface: Land and Ocean / Parameter: Average Temperature Anomaly / Time Scale: 1-Month / Month: All Months / Start Year: 1850 / End Year: 20xx.
● Technical note: data in chart is adjusted to reference period of 1850-1900 (representing pre-industrial era)
● Charts in family include:
1850- 01 January each year - Global average temperature changes.svg
1850- 02 February each year - Global average temperature changes.svg
1850- 03 March each year - Global average temperature changes.svg
1850- 04 April each year - Global average temperature changes.svg
1850- 05 May each year - Global average temperature changes.svg
1850- 06 June each year - Global average temperature changes.svg
1850- 07 July each year - Global average temperature changes.svg
1850- 08 August each year - Global average temperature changes.svg
1850- 09 September each year - Global average temperature changes.svg
1850- 10 October each year - Global average temperature changes.svg
1850- 11 November each year - Global average temperature changes.svg
1850- 12 December each year - Global average temperature changes.svg
Month-after-month animation:
1850- Global average temperature changes - annually, during one month each year GIF.gif
Seasonality (arrange data longitudinally by month):
1850- Seasonality of global warming - arranged by month.svg
Technical note: most SVG code was automatically generated by the "Vertical bar charts (column charts)" spreadsheet linked at User:RCraig09/Excel to XML for SVG. Additions and adjustments were made in a text editor.
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