Figure : annual_mean_temp

Hawai'i Annual Average Temperature Changes

Figure 27.5

East-West Center, Pacific Islands Climate Change Cooperative
Zena N. Grecni, Marie M. Mckenzie

This figure appears in chapter 27 of the Impacts, Risks, and Adaptation in the United States: The Fourth National Climate Assessment, Volume II report.

In Hawai‘i, annual average temperatures over the past century show a statistically significant warming trend, although both warming and cooling periods occurred. Based on a representative network of weather stations throughout the islands, this figure shows the difference in annual average temperature as compared to the average during 1944­–1980 (this period was selected as the baseline because it has the greatest number of index stations available), with red bars showing years with above average temperatures and blue bars showing years with below average temperatures. As temperature continues to rise across the region and cloud cover decreases in some areas, evaporation is expected to increase, causing both reduced water supply and higher water demand. Source: University of Hawai‘i at Mānoa, Department of Geography and Environment.

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The time range for this figure is January 01, 1919 (00:00 AM) to December 31, 2015 (00:00 AM).

This figure was created on May 30, 2017.

This figure was submitted on November 29, 2018.

The spatial range for this figure is 19.12° to 21.98° latitude, and 155.05° to 159.34° longitude.

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