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Comparison of the First Fleet Sydney Temperature Records with Modern Data, 1788 to 2018
By Dr G M Derrick
Executive Summary
- Notwithstanding a data gap from 1791 to 1859, there appears to have been little or no change in the trends of monthly maximum and minimum temperatures for a period of 230 years, from 1788 to 2018, based on comparisons of two data sets—one recorded by First Fleet officer William Dawes, and one from the Bureau of Meteorology (BOM).
- Gergis et al 2009, authors of a major study and compilation of the data, conclude that “Remarkably, the records appear comparable with modern day measurements taken from Sydney Observatory Hill, displaying similar daily variability, a distinct seasonal cycle and considerable inter-annual variability.”
This runs counter to the climate alarmism normally published by these authors.
Full article: https://carbon-sense-com/wp-content/uploads/2019/01/comparison-of-first-fleet-and-modern-temperatures.pdf [PDF: 2.6 MB]