Nowarski Engineering

global surface temperature change above the 1850-1900 baseline, ℃
version 2.1.1

Enter year in range 1750-2021 (yyyy, like 1999):

Global Warming Online Baselines Converter


1. GISTEMP Team, 2022: GISS Surface Temperature Analysis (GISTEMP), version 4. NASA Goddard Institute for Space Studies. Dataset accessed 2022-02-05 at

2. Lenssen, N., G. Schmidt, J. Hansen, M. Menne, A. Persin, R. Ruedy, and D. Zyss, 2019: Improvements in the GISTEMP uncertainty model. J. Geophys. Res. Atmos., 124, no. 12, 6307-6326, doi:10.1029/2018JD029522.

3. NOAA National Centers for Environmental information, Climate at a Glance: Global Time Series, published February 2022, retrieved on March 9, 2022 from

4. Berkeley Earth - Global Temperature Report for 2021

5. Rohde, R. A. and Hausfather, Z.: The Berkeley Earth Land/Ocean Temperature Record, Earth Syst. Sci. Data, 12, 3469-3479,, 2020. 6. Berkeley Earth - Time Series Data, Land Only (1750 Recent), Monthly Average Temperature (annual summary)

7. Global Surface Temperature Changes over Land Dataset - Joseph Nowarski. DOI:10.5281/zenodo.6373255

8. Global Warming Baselines Conversion Factors - Joseph Nowarski. DOI:10.5281/zenodo.6373058

9. Global Warming Datasets Converted to 1850-1900 Baseline - Joseph Nowarski. DOI:10.5281/zenodo.6386179