Environnement Canada
Symbole du gouvernement du Canada

Climatologie

Orage à l'horizon, Région des prairies et du Nord - Photo : Latham Brossart, 2002La climatologie est une branche de la science de l'atmosphère qui étudie les conditions atmosphériques moyennes passées sur une certaine période. Des éléments météorologiques comme la température et les précipitations sont mesurées et des moyennes sont calculées, ordinairement sur une période de trente ans, pour décrire le climat d'une ville, d'une région, sinon de la planète entière.

Environnement Canada tient à jour une archive des observations climatiques, étudie les tendances et la variabilité, et examine les phénomènes reliés comme les modes de circulation générale et la composition de l'atmosphère. Il se sert de cette information pour mettre au point des modèles sophistiqués en vue de prédire les futurs scénarios climatiques.

La présente section contient des données climatiques canadiennes archivées et des descriptions du climat canadien par saison, ainsi que des renseignements sur les processus influant sur le climat.

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Threshold set to: 0.02
Transform Function
Service StrStartTime StrEndTime Processing Time
Total Time 21,198.03710938 21,198.20898438 0.17187500
      ApplicationsVar 21,198.03710938 21,198.03710938 0.00000000
            DateLastModified 21,198.03710938 21,198.03710938 0.00000000
            DateLastModified 21,198.03710938 21,198.03710938 0.00000000
      GetUserAgentInfo 21,198.03710938 21,198.05273438 0.01562500
      SubNavigationOld 21,198.05273438 21,198.05273438 0.00000000
            GetXMLID 21,198.05273438 21,198.05273438 0.00000000
            GetNavID 21,198.05273438 21,198.05273438 0.00000000
      FncCrawler 21,198.05273438 21,198.05273438 0.00000000
      FncFileExistsBln 21,198.05273438 21,198.05273438 0.00000000
      FixPathVirtual 21,198.05273438 21,198.05273438 0.00000000
      FncFileExistsBln 21,198.05273438 21,198.05273438 0.00000000
      FixPath 21,198.05273438 21,198.05273438 0.00000000
      FncFileExistsBln 21,198.05273438 21,198.05273438 0.00000000
      FixPathVirtual 21,198.05273438 21,198.05273438 0.00000000
      FncFileExistsBln 21,198.05273438 21,198.06835938 0.01562500
      FixPath 21,198.06835938 21,198.06835938 0.00000000
      ReadFromFile 21,198.06835938 21,198.06835938 0.00000000
      fileExists 21,198.08398438 21,198.08398438 0.00000000
      CheckFileNotToIndex 21,198.08398438 21,198.08398438 0.00000000
      Function TransformXml : /commonWebSol/xslt/mainhomeitem.xslt 21,198.08398438 21,198.13085938 0.04687500
            Function TransformXml : /commonwebsol/xslt/SubLevelLink.xslt 21,198.08398438 21,198.09960938 0.01562500
                  FncFileExistsBln 21,198.08398438 21,198.08398438 0.00000000
                  FixPath 21,198.08398438 21,198.08398438 0.00000000
                  FncFileExistsBln 21,198.08398438 21,198.08398438 0.00000000
                  FixPath 21,198.08398438 21,198.08398438 0.00000000
                  ReadFromFile 21,198.08398438 21,198.08398438 0.00000000
            GetQueryCache 21,198.09960938 21,198.11523438 0.01562500
                  FixPath 21,198.09960938 21,198.09960938 0.00000000
                  FixPath 21,198.09960938 21,198.09960938 0.00000000
                  FncFolderExists 21,198.09960938 21,198.09960938 0.00000000
                  FncFolderExists 21,198.09960938 21,198.11523438 0.01562500
                  ReadFromFile 21,198.11523438 21,198.11523438 0.00000000
            Function TransformXml : /commonwebsol/xslt/relatedlinks.xslt 21,198.11523438 21,198.13085938 0.01562500
            RemoveTag 21,198.13085938 21,198.13085938 0.00000000
            RemoveTag 21,198.13085938 21,198.13085938 0.00000000
            RemoveTag 21,198.13085938 21,198.13085938 0.00000000
      Function TransformXml : /commonWebSol/xslt/CLF2-metadata.xslt 21,198.13085938 21,198.14648438 0.01562500
      Function TransformXml : /commonWebSol/xslt/CLF2-header.xslt 21,198.14648438 21,198.14648438 0.00000000
            FncFileExistsBln 21,198.14648438 21,198.14648438 0.00000000
            FixPath 21,198.14648438 21,198.14648438 0.00000000
            FncFileExistsBln 21,198.14648438 21,198.14648438 0.00000000
            FixPath 21,198.14648438 21,198.14648438 0.00000000
            ReadFromFile 21,198.14648438 21,198.14648438 0.00000000
      Function TransformXml : /commonWebSol/xslt/CLF2-trail.xslt 21,198.14648438 21,198.16210938 0.01562500
      ColumnServices 21,198.17773438 21,198.20898438 0.03125000
            FixPathVirtual 21,198.17773438 21,198.17773438 0.00000000
            Function TransformXml : /commonwebsol/xslt/column/sitemap-ODOWv2.xslt 21,198.17773438 21,198.19335938 0.01562500
            FixPathVirtual 21,198.19335938 21,198.19335938 0.00000000
            Function TransformXml : /commonwebsol/xslt/column/genericdroparea.xslt 21,198.20898438 21,198.20898438 0.00000000
                  FncFileExistsBln 21,198.20898438 21,198.20898438 0.00000000
                  FixPath 21,198.20898438 21,198.20898438 0.00000000
                  FncFileExistsBln 21,198.20898438 21,198.20898438 0.00000000
                  FixPath 21,198.20898438 21,198.20898438 0.00000000
                  ReadFromFile 21,198.20898438 21,198.20898438 0.00000000
            FixPathVirtual 21,198.20898438 21,198.20898438 0.00000000
            Function TransformXml : /commonwebsol/xslt/column/genericdroparea.xslt 21,198.20898438 21,198.20898438 0.00000000
                  FncFileExistsBln 21,198.20898438 21,198.20898438 0.00000000
                  FixPath 21,198.20898438 21,198.20898438 0.00000000
                  FncFileExistsBln 21,198.20898438 21,198.20898438 0.00000000
                  FixPath 21,198.20898438 21,198.20898438 0.00000000
                  ReadFromFile 21,198.20898438 21,198.20898438 0.00000000
      Function TransformXml : /commonWebSol/xslt/CLF2-footer.xslt 21,198.20898438 21,198.20898438 0.00000000
            FncFileExistsBln 21,198.20898438 21,198.20898438 0.00000000
            FixPath 21,198.20898438 21,198.20898438 0.00000000
            FncFileExistsBln 21,198.20898438 21,198.20898438 0.00000000
            FixPath 21,198.20898438 21,198.20898438 0.00000000
            ReadFromFile 21,198.20898438 21,198.20898438 0.00000000
      ResponseEnd 21,198.20898438 21,198.20898438 0.00000000