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Canada's annual average temperature over land has warmed by 1.7 °C (3.1 °F), with changes ranging from 1.1 to 2.3 °C (2.0 to 4.1 °F) in various regions, since 1948. [4] The rate of warming has been higher across the North and in the Prairies. [ 4 ]
Temperature Location Temperature 2024 Lytton, British Columbia: 42.5 °C (109 °F) Keg River, Alberta and Old Crow, Yukon: −51.5 °C (−61 °F) 2023 Lytton, British Columbia: 42.2 °C (108 °F) Rabbit Kettle, Northwest Territories: −53.4 °C (−64 °F) 2022 Lytton, British Columbia: 42.2 °C (108 °F) Pelly Ranch, Yukon
This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.
The surface temperature record extended back to 1880. (UAH 2003; data set tltglhmam version 5.2 with 2009 updates) and Schabel et al. (RSS 2002; data set tlt_land_and_ocean with 2009 updates). These two satellite records reflect two different ways of interpreting the same set of microwave sounder measurements and are not independent records.
The heat wave entailed wildfires in Alberta, record temperatures across Canada and the US, and over 100 deaths in Mexico. The heat also accelerated snow melt in mountain ranges, causing flooding and mudslides. According to scientists, climate change increased the strength of the 2023 heatwaves including in North America. [3] [4] [5]
The January–March 2014 North American cold wave was an extreme weather event that extended through the late winter months of the 2013–2014 winter season, and was also part of an unusually cold winter affecting parts of Canada and parts of the north-central and northeastern United States. [5]
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Data for the map were derived from the Goddard Earth Observing System (GEOS) model; they represent air temperatures at 2 meters (about 6.5 feet) above the ground on February 15, 2021. The darkest blue areas are where the model indicates temperatures reaching as low as -35°C (-31°F).