Alaska Climate Research Center

The Alaska State Climate Center
The Alaska State Climate Center
The Alaska State Climate Center
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News: Welcome to our new website Check out our December Monthly Report Learn about CoCoRaHS on our Projects page
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Our departure maps are updated daily to show the difference between the current temperature and expected temperature, based on 30 years of previously values.

Arctic Sea Ice Extent: October 9, 2025

October 9, 2025: The Arctic sea ice has experienced a smaller increase rate for this week of 7.32% (last week’s increase rate was 8.96%), from the level on 10/02/2025 of 5.291 M km2 to 5.709 M km2 for this week.  The sea ice extent for 2025 to date ...
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Fig. 1: Annual temperature deviations (°F) from the 1991-2020 normal at selected First Order stations since 1950. Note: 2025 data included through December 31.

2025 in review – preliminary data

This blog post is an overview of year-to-date climate data (late November-mid December depending on the data source). Numbers may change as December data becomes available! We will publish our full annual report with final statistics around mid-January, when all data sources have updated through the end of the year. 2025 temperatures Globally, 2025 will ...
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