A comparison of 18 different estimates of Australian annual average temperatures for 1911 to 2013 shows the same overall warming trend. (bom.gov.au)
Researchers found an overall warming trend in air temperature of 0.023 C (0.041 F) per year, and in water temperature of 0.028 C (0.050 F) per year over 51 years. (sciencedaily.com)
Most climatologists expect that on average the atmospheres water vapor content will increase in response to surface warming caused by the long - lived greenhouse gases, further accelerating the overall warming trend. (scientificamerican.com)