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Snow and Ice Products

A suite of climate monitoring products focused on snow and ice.

Daily U.S. Snowfall and Snow Depth

GHCN Daily snowfall and snow depth observations.

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Daily Weather Records

U.S. and Global daily records compiled from a subset of stations in the Global Historical Climatological Network (GHCN).

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Monthly National Snow and Ice Report

A national view of snow and ice conditions by month, placing the data and significant events into a historical perspective.

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Regional Snowfall Index (RSI)

An analysis of national temperatures and precipitation each month, placing the data into a historical perspective.

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Snowfall Extremes

1-day, 2-day, and 3-day, maximum snowfall extremes for each county in the United States by State and their locations.

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U.S. Climate Extremes

Locations and values of climatological extremes in the U.S.

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U.S Climate Extremes Index (CEI)

The U.S. Climate Extremes Index (CEI) quantifies observed climate changes in temperature, precipitation, and drought within the contiguous United States.

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Daily Weather Records

U.S. and Global daily records compiled from a subset of stations in the Global Historical Climatological Network (GHCN).

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Monthly Global Snow and Ice Report

Comparisons of meteorological local, state, regional, national, and global data in historical perspective to determine trends.

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Regional Sea Ice

Regional sea ice extent and area values, anomalies, graphs and tables

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Sea Ice and Snow Cover Extent

Global sea ice and snow cover extent values, anomalies, graphs and tables.

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