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The blue line represents global surface temperature reconstructed over the last 2,000 years using proxy data from tree rings, corals, and ice cores. [1] The red line shows direct surface temperature measurements since 1880. [2] Global surface temperature (GST) is the average temperature of Earth's surface.
The following is a list of weather events that occurred on Earth in the year 2023. The year saw a transition from La Niña to El Niño, with record high global average surface temperatures. The several weather events which had a significant impact were blizzards, cold waves, droughts, heat waves, wildfires, floods, tornadoes, and tropical cyclones.
English: Chart showing changes in global average surface temperature annually during the month of September Uploader's note: Tentatively, uploader envisions this chart as being specific to the time period ending in 2023, designed for use mainly in articles about 2023 in particular.
2023's June-July-August season was the warmest on record globally by a large margin, as El Niño conditions continued to develop. [16] September 2023 was the warmest September on record globally, with an average surface air temperature 0.5 °C above the temperature of the previous warmest September (2020). [17]
Even though global average temperatures dropped below 2023 records at times during the second half of the year, air and ocean temperatures were still warmer than average overall, based on charts ...
The "border" temperature between red and blue stripes was chosen as the average of the highest and lowest temperature values (not as an average of a date range as is customary in warming stripes). Data for Version 1 is through 2023, updated over the data shown in the 2019 Related File linked below.
(updated 28 August 2023) Line charts — Accepts up to six datasets. (updated 30 August 2023) Vertical bar charts (column charts) — Accepts up to six datasets. Toggle between clustered and stacked charts; user can adjust "Yfloor"—the Y level (usually=0) from which columns rise or fall; user chooses to keep or ignore negative input values.
Charts created before 17 November 2023 were created by using Inkscape to "trace" the charts published on the NCEI.NOAA.gov website. On 17 November 2023, uploader received direct from a NOAA employee, a numerical data listing current through October 2023, which were used in charts created in November 2023.