Weather data, research and learning

Historical weather data, climate trends, Sky Watchers, meteorology for classrooms.

Services and information

Historical climate data

Historical weather data, radar images, climate datasets

Climate cycles and trends

Bulletin of climate trends and variations

Top 10 weather stories

Canada's top ten weather stories

Climate change science, research and data

Modelling, analysis, scenarios, trends, variations, historical data, greenhouse gas and aerosols

El Niño

El Niño

La Niña

La Nina

Sky Watchers

Interactive meteorology for students and teachers, lesson plans, ideas for activities

Climate impacts and outlook

Gulf of Maine, Great Lakes and Saint-Lawrence, Alaska and northwestern Canada

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