HadCRUT5 annual global temperature anomaly (rebaselined to 1850-1900) with 11-year smoothing, alongside Law Dome and Mauna Loa atmospheric CO2 clipped to the same time window.
HadCRUT5: data_cache/hadcrut5_annual.csv (latest local year: 2026) | CO2: Law Dome + NOAA Mauna Loa annual means | Generated by generate_chart_hadcrut_period.py