112 catalogue entries found

Organizations: Natural Resources Canada Domain / Topic: Climatology Meteorology Atmosphere

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  • Catalogue Entry: Isotherms for Months of Year

    Contained within the 1st Edition (1906) of the Atlas of Canada is a plate that shows isothermal lines for each month of the year. Within the plate there are 12 maps, one for...
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  • Catalogue Entry: Temperature - Autumn

    Contained within the 4th Edition (1974) of the Atlas of Canada is a set of six maps showing the average daily minimum temperature and average daily maximum temperature for...
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  • Catalogue Entry: Temperature - Summer

    Contained within the 4th Edition (1974) of the Atlas of Canada is a set of six maps showing the average daily minimum temperature and average daily maximum temperature for June,...
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  • Catalogue Entry: Temperature - Spring

    Contained within the 4th Edition (1974) of the Atlas of Canada is a set of six maps showing the average daily minimum temperature and average daily maximum temperature for...
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  • Catalogue Entry: Temperature - Winter

    Contained within the 4th Edition (1974) of the Atlas of Canada is a set of six maps showing the average daily minimum temperature and average daily maximum temperature for...
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  • Catalogue Entry: Average Precipitation

    Contained within the 4th Edition (1974) of the Atlas of Canada is a set of two maps. One map shows the average precipitation for April to September. The second shows the average...
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  • Catalogue Entry: Average Monthly Precipitation

    Contained within the 4th Edition (1974) of the Atlas of Canada is a collection of six maps. Each map shows the average monthly precipitation for April, May, June, July, August...
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  • Catalogue Entry: Number of Days with Precipitation

    Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows the average annual number of days with precipitation. The main map is accompanied by a...
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  • Catalogue Entry: Snow Cover

    Contained within the 4th Edition (1974) of the Atlas of Canada is a collection of six maps. Each map shows the median depth of snow for December 31st, January 31st, February...
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  • Catalogue Entry: Growing Season

    Contained within the 4th Edition (1974) of the Atlas of Canada is a set of three maps showing the length of the growing season, the start of the growing season and the end of...
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  • Catalogue Entry: Glacier Retreat

    Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows the successive stages in the retreat of the last ice sheet in North America in respect to...
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  • Catalogue Entry: Snowfall (Nunavut)

    Nunavut lies in the Arctic, where cold temperatures mean that snow can fall at anytime in the year. Typically the ground is snow covered from September until June. Most of...
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  • Catalogue Entry: October Mean Daily Maximum Temperatures

    The map shows the mean daily maximum temperatures for October. Much of southern Canada experiences maximum temperatures in October above 10°C, whereas maximum temperatures...
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  • Catalogue Entry: October Mean Daily Minimum Temperatures

    The map shows the mean daily minimum temperatures for October. In October, longer nights and a return to below-freezing minimum temperatures is evident across most of Canada...
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  • Catalogue Entry: July Mean Daily Maximum Temperatures

    The map shows the mean daily maximum temperatures for July. Maximum temperatures in July are above freezing across all of Canada except for high elevations on Ellesmere Island....
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  • Catalogue Entry: July Mean Daily Minimum Temperatures

    The map shows the mean daily maximum temperatures for July. Maximum temperatures in July are above freezing across all of Canada except for high elevations on Ellesmere Island....
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  • Catalogue Entry: January Mean Daily Maximum Temperatures

    The map shows the mean daily maximum temperatures for January. Weak or no sunshine means there is minimal diurnal variation between the maximum and minimum temperatures in...
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  • Catalogue Entry: January Mean Daily Minimum Temperatures

    The map shows the mean daily minimum temperatures for January. January marks the depths of winter across Canada and, with the exception of the coastal parts of southern...
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  • Catalogue Entry: April Mean Daily Maximum Temperatures

    The map shows the mean daily maximum temperatures for April. Below-freezing maximum temperatures in April are restricted to northern Canada and the extreme northern portions of...
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  • Catalogue Entry: April Mean Daily Minimum Temperatures

    The map shows the mean daily minimum temperatures for April. Minimum temperatures in April are below freezing for most of Canada. Minimum temperatures in April are below...
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