{
  "schemaVersion": 1,
  "region": "canada",
  "version": "1.0.0",
  "period": "1991-2020",
  "crs": "EPSG:4326",
  "sourceResolutionDegrees": 0.1,
  "bounds": [
    -141.0181,
    41.73823835308173,
    -52.61941,
    83.11132
  ],
  "unit": "Köppen-Geiger categorical class, not numerical magnitude",
  "source": {
    "publisher": "Beck et al. (2023)",
    "dataset": "Köppen-Geiger maps for 1901–2099",
    "title": "Köppen-Geiger 気候区分（1991–2020、0.1°）",
    "brief": "公式 GeoTIFF の元の分類をカナダ陸域で切り出した広域向けの図。",
    "period": "1991-2020",
    "sourceUrl": "https://www.gloh2o.org/koppen/",
    "citation": "https://doi.org/10.1038/s41597-023-02549-6",
    "metadataUrl": "https://api.figshare.com/v2/articles/21789074/versions/1",
    "catalogueUrl": "https://figshare.com/articles/dataset/21789074/1",
    "datasetDoi": "https://doi.org/10.6084/m9.figshare.21789074.v1",
    "archiveUrl": "https://ndownloader.figshare.com/files/45057352",
    "archiveSha256": "d37b8d05b39b96e7cf6e9007b024c7d1ab301d6668409e3e792962a2408fc05d",
    "member": "1991_2020/koppen_geiger_0p1.tif",
    "raw": {
      "path": "data-source/atlas/russia/nature/koppen_geiger_0p1_1991_2020.tif",
      "bytes": 217452,
      "sha256": "7db968672815435562b8428f0752c2e67af7e6bb235e2969eb2db28bce428361"
    },
    "license": "CC BY 4.0",
    "licenseUrl": "https://creativecommons.org/licenses/by/4.0/",
    "licence": "CC BY 4.0",
    "licenceUrl": "https://creativecommons.org/licenses/by/4.0/",
    "attribution": "Beck, H.E. et al. (2023), Scientific Data 10, 724. Adapted into clipped polygons by Insight Journal.",
    "reuse": "Existing preserved original global source member; no second download. Archive hash retained from prior source acquisition, member hash verified in this run.",
    "crs": "EPSG:4326",
    "sourceWidth": 3600,
    "sourceHeight": 1800,
    "resolutionDegrees": 0.1,
    "resolutionDescription": "Publisher 0.1-degree broad-view product; this overlay is not the 1 km (0.01-degree) product.",
    "pixelScale": [
      0.1,
      0.1,
      0
    ],
    "tiepoint": [
      0,
      0,
      0,
      -180,
      90,
      0
    ],
    "pixelInterpretation": "area",
    "noData": 0
  },
  "mask": {
    "schemaVersion": 1,
    "region": "canada",
    "crs": "EPSG:4326",
    "mask": {
      "path": "data-source/atlas/canada-climate-elevation-v1/beck/land-mask.geojson.gz",
      "bytes": 3078187,
      "sha256": "f54908964f6e451137bb50b4a21fb0ada82fbaeea5c8438d3d204046a663644e"
    },
    "bounds": [
      -141.0181,
      41.73823835308173,
      -52.61941,
      83.13656
    ],
    "boundary": {
      "path": "data-source/atlas/canada/industry/province-boundaries-2021.geojson.gz",
      "bytes": 4622448,
      "sha256": "ac235592e071ceb79655bba82d9bae17c7d1d80894e62df72a42bce39428245b",
      "uncompressedSha256": "28966276a200b7c88f97cc4d1e770588e161e2fe63aa85ca9b736015aaeddd57",
      "source": "Statistics Canada 2021 Census Cartographic Boundary Files, PR - lpr_000b21s_e",
      "sourceUrl": "https://geo.statcan.gc.ca/geo_wa/rest/services/2021/Cartographic_boundary_files/MapServer/0",
      "requestRecord": "data-source/atlas/canada/industry/boundary-request.json",
      "referenceDate": "2021-01-01",
      "license": "Open Government Licence - Canada",
      "licenseUrl": "https://open.canada.ca/en/open-government-licence-canada",
      "guideUrl": "https://www150.statcan.gc.ca/n1/pub/92-160-g/92-160-g2021001-eng.htm",
      "sourceQueryGeneralization": "Existing official Esri query used maxAllowableOffset=0.02 and geometryPrecision=5; no further simplification performed here.",
      "provinceCount": 13,
      "repairedProvinceIds": [
        "10",
        "11",
        "12",
        "13",
        "24",
        "35",
        "46",
        "59",
        "60",
        "61",
        "62"
      ],
      "repair": "Shapely make_valid(method='structure', keep_collapsed=False) on source invalid rings; retain polygonal land, discard only collapsed zero-area geometry."
    },
    "water": {
      "path": "data-source/atlas/canada/lakes.geojson",
      "bytes": 876018,
      "sha256": "d350b75978b26fe839b797c2c529b2fb8f47fb3983c03f4964e36d5df9378a52",
      "publisher": "Natural Earth",
      "version": "5.1.2",
      "sourceUrl": "https://raw.githubusercontent.com/nvkelso/natural-earth-vector/v5.1.2/geojson/ne_50m_lakes.geojson",
      "license": "Public domain",
      "sourceScale": "1:50m",
      "intersectingLakeFeatures": 117,
      "method": "Subtract all preserved 1:50m lake polygons intersecting Canadian cartographic boundaries, including cross-border lakes. Smaller water bodies absent from this source are unresolved."
    },
    "method": "Union all 13 Canadian cartographic province/territory polygons; subtract intersecting preserved lake polygons. Coastal waters, neighboring countries and represented lakes excluded.",
    "limitations": [
      "Boundary and water scales do not support cadastral precision.",
      "Natural Earth 1:50m lake data do not resolve every small water body."
    ],
    "geometry": {
      "polygonParts": 119614,
      "coordinateCount": 527102
    }
  },
  "classes": [
    {
      "id": "BSk",
      "code": 7,
      "name": "低温のステップ気候",
      "color": "#ffdc64",
      "description": "乾燥帯のうち、低温の半乾燥気候に当たる区分。",
      "sourceLabel": "Arid, steppe, cold"
    },
    {
      "id": "Csb",
      "code": 9,
      "name": "夏に乾燥する温暖夏の温帯",
      "color": "#c8c800",
      "description": "夏に乾燥し、夏が温暖な温帯の区分。",
      "sourceLabel": "Temperate, dry summer, warm summer"
    },
    {
      "id": "Cfb",
      "code": 15,
      "name": "西岸海洋性気候",
      "color": "#64ff50",
      "description": "明瞭な乾季がなく、夏が温暖な温帯の区分。名称は海岸からの距離を示すものではない。",
      "sourceLabel": "Temperate, no dry season, warm summer"
    },
    {
      "id": "Cfc",
      "code": 16,
      "name": "乾季のない冷夏の温帯",
      "color": "#32c800",
      "description": "明瞭な乾季がなく、夏が短く涼しい温帯の区分。",
      "sourceLabel": "Temperate, no dry season, cold summer"
    },
    {
      "id": "Dsb",
      "code": 18,
      "name": "夏に乾燥する温暖夏の冷帯",
      "color": "#c800c8",
      "description": "寒い冬と温暖な夏を持ち、夏に乾燥する冷帯の区分。",
      "sourceLabel": "Cold, dry summer, warm summer"
    },
    {
      "id": "Dsc",
      "code": 19,
      "name": "夏に乾燥する冷夏の冷帯",
      "color": "#963296",
      "description": "寒い冬と短く涼しい夏を持ち、夏に乾燥する冷帯の区分。",
      "sourceLabel": "Cold, dry summer, cold summer"
    },
    {
      "id": "Dwb",
      "code": 22,
      "name": "冬に乾燥する温暖夏の冷帯",
      "color": "#5a78dc",
      "description": "寒く乾燥する冬と、温暖な夏を持つ冷帯の区分。",
      "sourceLabel": "Cold, dry winter, warm summer"
    },
    {
      "id": "Dwc",
      "code": 23,
      "name": "冬に乾燥する冷夏の冷帯",
      "color": "#4b50b4",
      "description": "寒く乾燥する冬と、短く涼しい夏を持つ冷帯の区分。",
      "sourceLabel": "Cold, dry winter, cold summer"
    },
    {
      "id": "Dfa",
      "code": 25,
      "name": "乾季のない高温夏の冷帯",
      "color": "#00ffff",
      "description": "明瞭な乾季がなく、寒い冬と高温の夏を持つ冷帯の区分。",
      "sourceLabel": "Cold, no dry season, hot summer"
    },
    {
      "id": "Dfb",
      "code": 26,
      "name": "乾季のない温暖夏の冷帯",
      "color": "#37c8ff",
      "description": "明瞭な乾季がなく、寒い冬と温暖な夏を持つ冷帯の区分。",
      "sourceLabel": "Cold, no dry season, warm summer"
    },
    {
      "id": "Dfc",
      "code": 27,
      "name": "乾季のない冷夏の冷帯",
      "color": "#007d7d",
      "description": "明瞭な乾季がなく、寒い冬と短く涼しい夏を持つ冷帯の区分。",
      "sourceLabel": "Cold, no dry season, cold summer"
    },
    {
      "id": "Dfd",
      "code": 28,
      "name": "乾季のない厳冬の冷帯",
      "color": "#00465f",
      "description": "明瞭な乾季がなく、とくに厳しい冬を持つ冷帯の区分。",
      "sourceLabel": "Cold, no dry season, very cold winter"
    },
    {
      "id": "ET",
      "code": 29,
      "name": "ツンドラ気候",
      "color": "#b2b2b2",
      "description": "短い夏に気温が上がるが、樹木の生育に適した暖かさに達しない寒帯の区分。",
      "sourceLabel": "Polar, tundra"
    },
    {
      "id": "EF",
      "code": 30,
      "name": "氷雪気候",
      "color": "#666666",
      "description": "最も暖かい月も平均気温が0℃未満となる寒帯の区分。",
      "sourceLabel": "Polar, frost"
    }
  ],
  "stationSamples": [
    {
      "stationId": "ottawa",
      "name": "オタワ",
      "station": "OTTAWA CDA",
      "climateId": "6105976",
      "coordinates": [
        -75.72,
        45.38
      ],
      "sourceRow": 446,
      "sourceColumn": 1042,
      "code": "Dfb",
      "id": "ottawa",
      "overlayMatchesRawCell": true,
      "coordinateSourceUrl": "https://climate.weather.gc.ca/climate_normals/results_1991_2020_e.html?climate_id=6105976&dispBack=0",
      "boundaryCandidates": [
        "Dfb"
      ],
      "interiorProbe": [
        -75.71999999,
        45.37999999
      ],
      "interiorProbeMatchesRawCell": true,
      "class": "Dfb",
      "classCode": 26
    },
    {
      "stationId": "vancouver",
      "name": "バンクーバー",
      "station": "VANCOUVER INT'L A",
      "climateId": "1108447",
      "coordinates": [
        -123.18,
        49.2
      ],
      "sourceRow": 408,
      "sourceColumn": 568,
      "code": "Csb",
      "id": "vancouver",
      "overlayMatchesRawCell": true,
      "coordinateSourceUrl": "https://climate.weather.gc.ca/climate_normals/results_1991_2020_e.html?climate_id=1108447&dispBack=0",
      "boundaryCandidates": [
        "Cfb",
        "Csb"
      ],
      "interiorProbe": [
        -123.17999999000001,
        49.19999999
      ],
      "interiorProbeMatchesRawCell": true,
      "class": "Csb",
      "classCode": 9
    },
    {
      "stationId": "winnipeg",
      "name": "ウィニペグ",
      "station": "WINNIPEG RICHARDSON INT'L A",
      "climateId": "5023222",
      "coordinates": [
        -97.23,
        49.92
      ],
      "sourceRow": 400,
      "sourceColumn": 827,
      "code": "Dfb",
      "id": "winnipeg",
      "overlayMatchesRawCell": true,
      "coordinateSourceUrl": "https://climate.weather.gc.ca/climate_normals/results_1991_2020_e.html?climate_id=5023222&dispBack=0",
      "boundaryCandidates": [
        "Dfb"
      ],
      "interiorProbe": [
        -97.22999999000001,
        49.91999999
      ],
      "interiorProbeMatchesRawCell": true,
      "class": "Dfb",
      "classCode": 26
    },
    {
      "stationId": "iqaluit",
      "name": "イカルイト",
      "station": "IQALUIT A",
      "climateId": "2402590",
      "coordinates": [
        -68.55,
        63.75
      ],
      "sourceRow": 262,
      "sourceColumn": 1114,
      "code": "ET",
      "id": "iqaluit",
      "overlayMatchesRawCell": true,
      "coordinateSourceUrl": "https://climate.weather.gc.ca/climate_normals/results_1991_2020_e.html?climate_id=2402590&dispBack=0",
      "boundaryCandidates": [
        "ET"
      ],
      "interiorProbe": [
        -68.54999999,
        63.74999999
      ],
      "interiorProbeMatchesRawCell": true,
      "class": "ET",
      "classCode": 29
    },
    {
      "stationId": "regina",
      "name": "レジャイナ",
      "station": "REGINA INT'L A",
      "climateId": "4016560",
      "coordinates": [
        -104.67,
        50.43
      ],
      "sourceRow": 395,
      "sourceColumn": 753,
      "code": "Dfb",
      "id": "regina",
      "overlayMatchesRawCell": true,
      "coordinateSourceUrl": "https://climate.weather.gc.ca/climate_normals/results_1991_2020_e.html?climate_id=4016560&dispBack=0",
      "boundaryCandidates": [
        "Dfb"
      ],
      "interiorProbe": [
        -104.66999999000001,
        50.42999999
      ],
      "interiorProbeMatchesRawCell": true,
      "class": "Dfb",
      "classCode": 26
    },
    {
      "stationId": "toronto",
      "name": "トロント",
      "station": "TORONTO CITY",
      "climateId": "6158355",
      "coordinates": [
        -79.4,
        43.67
      ],
      "sourceRow": 463,
      "sourceColumn": 1006,
      "code": "Dfa",
      "id": "toronto",
      "overlayMatchesRawCell": true,
      "coordinateSourceUrl": "https://climate.weather.gc.ca/climate_normals/results_1991_2020_e.html?climate_id=6158355&dispBack=0",
      "boundaryCandidates": [
        "Dfa"
      ],
      "interiorProbe": [
        -79.39999999000001,
        43.66999999
      ],
      "interiorProbeMatchesRawCell": true,
      "class": "Dfa",
      "classCode": 25
    },
    {
      "stationId": "montreal",
      "name": "モントリオール",
      "station": "MONTREAL/PIERRE ELLIOTT TRUDEAU INTL A",
      "climateId": "7025250",
      "coordinates": [
        -73.75,
        45.47
      ],
      "sourceRow": 445,
      "sourceColumn": 1062,
      "code": "Dfa",
      "id": "montreal",
      "overlayMatchesRawCell": true,
      "coordinateSourceUrl": "https://climate.weather.gc.ca/climate_normals/results_1991_2020_e.html?climate_id=7025250&dispBack=0",
      "boundaryCandidates": [
        "Dfa"
      ],
      "interiorProbe": [
        -73.74999999,
        45.46999999
      ],
      "interiorProbeMatchesRawCell": true,
      "class": "Dfa",
      "classCode": 25
    },
    {
      "stationId": "calgary",
      "name": "カルガリー",
      "station": "CALGARY INTL A",
      "climateId": "3031092",
      "coordinates": [
        -114.01,
        51.12
      ],
      "sourceRow": 388,
      "sourceColumn": 659,
      "code": "Dfb",
      "id": "calgary",
      "overlayMatchesRawCell": true,
      "coordinateSourceUrl": "https://climate.weather.gc.ca/climate_normals/results_1991_2020_e.html?climate_id=3031092&dispBack=0",
      "boundaryCandidates": [
        "Dfb"
      ],
      "interiorProbe": [
        -114.00999999000001,
        51.11999999
      ],
      "interiorProbeMatchesRawCell": true,
      "class": "Dfb",
      "classCode": 26
    },
    {
      "stationId": "halifax",
      "name": "ハリファクス",
      "station": "HALIFAX STANFIELD INT'L A",
      "climateId": "8202250",
      "coordinates": [
        -63.5,
        44.88
      ],
      "sourceRow": 451,
      "sourceColumn": 1165,
      "code": "Dfb",
      "id": "halifax",
      "overlayMatchesRawCell": true,
      "coordinateSourceUrl": "https://climate.weather.gc.ca/climate_normals/results_1991_2020_e.html?climate_id=8202250&dispBack=0",
      "boundaryCandidates": [
        "Dfb"
      ],
      "interiorProbe": [
        -63.49999999,
        44.87999999
      ],
      "interiorProbeMatchesRawCell": true,
      "class": "Dfb",
      "classCode": 26
    }
  ],
  "file": "koppen.geojson",
  "files": {
    "koppen.geojson": {
      "path": "public/assets/atlas/canada-climate-elevation-v1/koppen.geojson",
      "bytes": 12042203,
      "sha256": "4466a38767a3710c4571db0718a2a04f77922b6a889dff0e0dda51bc785cb8ad"
    }
  },
  "processing": {
    "script": "scripts/prepare-canada-koppen-geooverlay.py",
    "scriptSha256": "09a53f92fc5849140d2130c617e1572524b5d50b39081348d89f73a292674aba",
    "scriptDigestMethod": "UTF-8 text normalized from CRLF/CR to LF",
    "method": "Read exact original 0.1-degree categorical cells; form horizontal runs of identical IDs; losslessly union cell rectangles by ID; intersect with Canadian land-minus-lakes mask. No interpolation, averaging, class merging, coordinate rounding, polygon simplification, minimum-area filtering or imputation.",
    "sourceRows": [
      68,
      483
    ],
    "sourceColumns": [
      389,
      1274
    ],
    "rowRunCount": 15837,
    "shapelyVersion": "2.1.2",
    "legendReference": {
      "path": "public/assets/atlas/asia-climate-v1/legend.json",
      "bytes": 6784,
      "sha256": "707303acdb0c63d002c50e322217ea1a6c5e37dd9c989b975269399134e9066a"
    },
    "palette": "Original publisher RGB colors retained; no recoloring.",
    "sharedGridEdges": "All rectangle corners use the same global integer grid indices: longitude=-180+column/10, latitude=90-row/10. No repeated x+0.1 or y-0.1 accumulation; adjacent same-class source cell edges dissolve in the union.",
    "classGeometryCounts": [
      {
        "id": "BSk",
        "rawWindowCells": 10182,
        "rowRuns": 977,
        "preMaskUnionParts": 132,
        "postMaskParts": 63
      },
      {
        "id": "Csb",
        "rawWindowCells": 1685,
        "rowRuns": 178,
        "preMaskUnionParts": 32,
        "postMaskParts": 918
      },
      {
        "id": "Cfb",
        "rawWindowCells": 1810,
        "rowRuns": 344,
        "preMaskUnionParts": 55,
        "postMaskParts": 21240
      },
      {
        "id": "Cfc",
        "rawWindowCells": 46,
        "rowRuns": 30,
        "preMaskUnionParts": 20,
        "postMaskParts": 209
      },
      {
        "id": "Dsb",
        "rawWindowCells": 2136,
        "rowRuns": 517,
        "preMaskUnionParts": 116,
        "postMaskParts": 50
      },
      {
        "id": "Dsc",
        "rawWindowCells": 10438,
        "rowRuns": 1482,
        "preMaskUnionParts": 291,
        "postMaskParts": 2808
      },
      {
        "id": "Dwb",
        "rawWindowCells": 242,
        "rowRuns": 64,
        "preMaskUnionParts": 16,
        "postMaskParts": 1
      },
      {
        "id": "Dwc",
        "rawWindowCells": 272,
        "rowRuns": 65,
        "preMaskUnionParts": 23,
        "postMaskParts": 37
      },
      {
        "id": "Dfa",
        "rawWindowCells": 6256,
        "rowRuns": 352,
        "preMaskUnionParts": 33,
        "postMaskParts": 870
      },
      {
        "id": "Dfb",
        "rawWindowCells": 45478,
        "rowRuns": 2542,
        "preMaskUnionParts": 485,
        "postMaskParts": 17910
      },
      {
        "id": "Dfc",
        "rawWindowCells": 77487,
        "rowRuns": 4142,
        "preMaskUnionParts": 672,
        "postMaskParts": 18956
      },
      {
        "id": "Dfd",
        "rawWindowCells": 5,
        "rowRuns": 3,
        "preMaskUnionParts": 3,
        "postMaskParts": 12
      },
      {
        "id": "ET",
        "rawWindowCells": 59283,
        "rowRuns": 4387,
        "preMaskUnionParts": 745,
        "postMaskParts": 53705
      },
      {
        "id": "EF",
        "rawWindowCells": 10202,
        "rowRuns": 450,
        "preMaskUnionParts": 97,
        "postMaskParts": 94
      }
    ],
    "classGeometryCountsScope": "Raw window cell/run/pre-mask counts may include neighboring countries and water; post-mask parts chiefly represent real islands and coast/lake fragmentation. These are geometry diagnostics, not Canadian land-area statistics."
  },
  "verification": {
    "rawSourceHashVerified": true,
    "sourceTransformAndCrsVerified": true,
    "allOutputPolygonsValid": true,
    "allPolygonsWithinCanadaLandMask": true,
    "representedLakesExcluded": true,
    "neighborAndWaterSpotchecks": [
      {
        "name": "Alaska",
        "coordinates": [
          -149.9,
          61.2
        ],
        "excluded": true
      },
      {
        "name": "Contiguous United States",
        "coordinates": [
          -100,
          48
        ],
        "excluded": true
      },
      {
        "name": "Greenland",
        "coordinates": [
          -45,
          70
        ],
        "excluded": true
      },
      {
        "name": "Hudson Bay",
        "coordinates": [
          -85,
          60
        ],
        "excluded": true
      },
      {
        "name": "Great Bear Lake",
        "coordinates": [
          -120,
          66
        ],
        "excluded": true
      },
      {
        "name": "Lake Winnipeg",
        "coordinates": [
          -97,
          52
        ],
        "excluded": true
      },
      {
        "name": "Lake Superior",
        "coordinates": [
          -88,
          47.8
        ],
        "excluded": true
      }
    ],
    "allGeojsonGeometriesRoundTripUnchanged": true,
    "classAreasDoNotOverlap": true,
    "stationSpotchecks": [
      {
        "stationId": "ottawa",
        "name": "オタワ",
        "station": "OTTAWA CDA",
        "climateId": "6105976",
        "coordinates": [
          -75.72,
          45.38
        ],
        "sourceRow": 446,
        "sourceColumn": 1042,
        "code": 26,
        "id": "Dfb",
        "overlayMatchesRawCell": true,
        "coordinateSourceUrl": "https://climate.weather.gc.ca/climate_normals/results_1991_2020_e.html?climate_id=6105976&dispBack=0",
        "boundaryCandidates": [
          "Dfb"
        ],
        "interiorProbe": [
          -75.71999999,
          45.37999999
        ],
        "interiorProbeMatchesRawCell": true
      },
      {
        "stationId": "vancouver",
        "name": "バンクーバー",
        "station": "VANCOUVER INT'L A",
        "climateId": "1108447",
        "coordinates": [
          -123.18,
          49.2
        ],
        "sourceRow": 408,
        "sourceColumn": 568,
        "code": 9,
        "id": "Csb",
        "overlayMatchesRawCell": true,
        "coordinateSourceUrl": "https://climate.weather.gc.ca/climate_normals/results_1991_2020_e.html?climate_id=1108447&dispBack=0",
        "boundaryCandidates": [
          "Cfb",
          "Csb"
        ],
        "interiorProbe": [
          -123.17999999000001,
          49.19999999
        ],
        "interiorProbeMatchesRawCell": true
      },
      {
        "stationId": "winnipeg",
        "name": "ウィニペグ",
        "station": "WINNIPEG RICHARDSON INT'L A",
        "climateId": "5023222",
        "coordinates": [
          -97.23,
          49.92
        ],
        "sourceRow": 400,
        "sourceColumn": 827,
        "code": 26,
        "id": "Dfb",
        "overlayMatchesRawCell": true,
        "coordinateSourceUrl": "https://climate.weather.gc.ca/climate_normals/results_1991_2020_e.html?climate_id=5023222&dispBack=0",
        "boundaryCandidates": [
          "Dfb"
        ],
        "interiorProbe": [
          -97.22999999000001,
          49.91999999
        ],
        "interiorProbeMatchesRawCell": true
      },
      {
        "stationId": "iqaluit",
        "name": "イカルイト",
        "station": "IQALUIT A",
        "climateId": "2402590",
        "coordinates": [
          -68.55,
          63.75
        ],
        "sourceRow": 262,
        "sourceColumn": 1114,
        "code": 29,
        "id": "ET",
        "overlayMatchesRawCell": true,
        "coordinateSourceUrl": "https://climate.weather.gc.ca/climate_normals/results_1991_2020_e.html?climate_id=2402590&dispBack=0",
        "boundaryCandidates": [
          "ET"
        ],
        "interiorProbe": [
          -68.54999999,
          63.74999999
        ],
        "interiorProbeMatchesRawCell": true
      },
      {
        "stationId": "regina",
        "name": "レジャイナ",
        "station": "REGINA INT'L A",
        "climateId": "4016560",
        "coordinates": [
          -104.67,
          50.43
        ],
        "sourceRow": 395,
        "sourceColumn": 753,
        "code": 26,
        "id": "Dfb",
        "overlayMatchesRawCell": true,
        "coordinateSourceUrl": "https://climate.weather.gc.ca/climate_normals/results_1991_2020_e.html?climate_id=4016560&dispBack=0",
        "boundaryCandidates": [
          "Dfb"
        ],
        "interiorProbe": [
          -104.66999999000001,
          50.42999999
        ],
        "interiorProbeMatchesRawCell": true
      },
      {
        "stationId": "toronto",
        "name": "トロント",
        "station": "TORONTO CITY",
        "climateId": "6158355",
        "coordinates": [
          -79.4,
          43.67
        ],
        "sourceRow": 463,
        "sourceColumn": 1006,
        "code": 25,
        "id": "Dfa",
        "overlayMatchesRawCell": true,
        "coordinateSourceUrl": "https://climate.weather.gc.ca/climate_normals/results_1991_2020_e.html?climate_id=6158355&dispBack=0",
        "boundaryCandidates": [
          "Dfa"
        ],
        "interiorProbe": [
          -79.39999999000001,
          43.66999999
        ],
        "interiorProbeMatchesRawCell": true
      },
      {
        "stationId": "montreal",
        "name": "モントリオール",
        "station": "MONTREAL/PIERRE ELLIOTT TRUDEAU INTL A",
        "climateId": "7025250",
        "coordinates": [
          -73.75,
          45.47
        ],
        "sourceRow": 445,
        "sourceColumn": 1062,
        "code": 25,
        "id": "Dfa",
        "overlayMatchesRawCell": true,
        "coordinateSourceUrl": "https://climate.weather.gc.ca/climate_normals/results_1991_2020_e.html?climate_id=7025250&dispBack=0",
        "boundaryCandidates": [
          "Dfa"
        ],
        "interiorProbe": [
          -73.74999999,
          45.46999999
        ],
        "interiorProbeMatchesRawCell": true
      },
      {
        "stationId": "calgary",
        "name": "カルガリー",
        "station": "CALGARY INTL A",
        "climateId": "3031092",
        "coordinates": [
          -114.01,
          51.12
        ],
        "sourceRow": 388,
        "sourceColumn": 659,
        "code": 26,
        "id": "Dfb",
        "overlayMatchesRawCell": true,
        "coordinateSourceUrl": "https://climate.weather.gc.ca/climate_normals/results_1991_2020_e.html?climate_id=3031092&dispBack=0",
        "boundaryCandidates": [
          "Dfb"
        ],
        "interiorProbe": [
          -114.00999999000001,
          51.11999999
        ],
        "interiorProbeMatchesRawCell": true
      },
      {
        "stationId": "halifax",
        "name": "ハリファクス",
        "station": "HALIFAX STANFIELD INT'L A",
        "climateId": "8202250",
        "coordinates": [
          -63.5,
          44.88
        ],
        "sourceRow": 451,
        "sourceColumn": 1165,
        "code": 26,
        "id": "Dfb",
        "overlayMatchesRawCell": true,
        "coordinateSourceUrl": "https://climate.weather.gc.ca/climate_normals/results_1991_2020_e.html?climate_id=8202250&dispBack=0",
        "boundaryCandidates": [
          "Dfb"
        ],
        "interiorProbe": [
          -63.49999999,
          44.87999999
        ],
        "interiorProbeMatchesRawCell": true
      }
    ]
  },
  "lookup": {
    "cellRule": "Original raster half-open cells: column=floor((longitude+180)*10), row=floor((90-latitude)*10). On an exact east/south grid boundary the east/south cell wins.",
    "polygonBoundary": "Closed GeoJSON rings can touch adjacent classes at an exact cell edge. Station samples use the original raster cell rule and disclose all touching polygon candidates."
  },
  "limitations": [
    "0.1-degree cells describe broad regional climate; narrow islands and coasts may have source no-data. Zooming does not create finer data.",
    "No-data 0 is omitted and never assigned a climate class. Land not classified by the source remains uncolored.",
    "Canada boundaries are 2021 cartographic statistical boundaries; small lakes not represented by Natural Earth 1:50m remain unresolved.",
    "Grid class at an ECCC station coordinate is independent of the station monthly normal. It is not a classification recalculated from that station's temperatures or precipitation.",
    "Classes describe the 1991–2020 reference climate, not current weather, rainfall totals, temperatures, crop suitability or national averages."
  ],
  "stationSampleUpdate": {
    "date": "2026-10-11",
    "script": "scripts/update-canada-climate-stations.mjs",
    "scriptSha256": "3439252100f26a8c0c1c54d1360ad49c475b27f3316687acb2e90ba8eb4fb620",
    "method": "Official ECCC inventory coordinates; direct source raster cell lookup; published Canada geometry interior-probe comparison. Climate geometries and class areas unchanged."
  }
}