{
 "generated_at": "2026-10-14T22:54:24+09:00",
 "data_through": "2026-04-17",
 "source": [
  {
   "name": "3D都市モデル（Project PLATEAU）東京都23区（2025年度）",
   "publisher": "国土交通省",
   "url": "https://www.geospatial.jp/ckan/dataset/plateau-13118-arakawa-ku-2025",
   "license": "公共データ利用規約 第1.0版（PDL1.0、CC BY 4.0 互換）。tokeilab が加工"
  },
  {
   "name": "国勢調査 小地域境界データ（令和2年）",
   "publisher": "総務省統計局（e-Stat）",
   "url": "https://www.e-stat.go.jp/",
   "license": "政府統計の総合窓口（e-Stat）利用規約（CC BY 4.0 互換）。tokeilab が加工"
  },
  {
   "name": "郵便番号データ（町域の読み）",
   "publisher": "日本郵便株式会社",
   "url": "https://www.post.japanpost.jp/service/search/zipcode/download/kogaki-zip.html",
   "license": "著作権の主張なし・自由に配布可。tokeilab が加工"
  }
 ],
 "license": "CC-BY-4.0",
 "license_notice": "CC BY 4.0, tokeilab。国土交通省 PLATEAU（PDL1.0）、e-Stat、日本郵便 郵便番号データを tokeilab が加工して作成。",
 "schema_url": "https://tokeilab.org/schema/sunlight/",
 "canonical_url": "https://tokeilab.org/sunlight/13118/13118003008/",
 "language": "ja",
 "notice": "これは計算による推定（シミュレーション）で、実測ではありません。樹木、バルコニー・ひさし、屋根の形、天気、データ作成後に建った建物や建て替えは反映していません。建物は箱型に単純化し、階の高さは一律 3 m と仮定しています。物件の購入・賃貸などの判断には、現地での確認や日影図などとあわせてお使いください。",
 "data": {
  "ward": {
   "ward_code": "13118",
   "name_ja": "荒川区",
   "name_en": "Arakawa City"
  },
  "town": {
   "town_code": "13118003008",
   "name_ja": "町屋八丁目",
   "full_name_ja": "東京都荒川区町屋八丁目",
   "kana": "マチヤ",
   "name_en": "Machiya 8-chome",
   "name_en_auto": false,
   "lat": 35.7478,
   "lon": 139.7858
  },
  "stats": {
   "buildings": 534,
   "buildings_with_exterior_face": 534,
   "buildings_with_south_face": 491,
   "dec15_south_1f_q1": 0,
   "dec15_south_1f_median": 0,
   "dec15_south_1f_q3": 110,
   "share_dec15_best_top_2h": 0.7678,
   "dec15_best_top_q1": 120,
   "dec15_best_top_median": 225,
   "dec15_best_top_q3": 370,
   "annual_mean_best_top_mean": 354.4966,
   "mean_floors": 2.3464,
   "share_dec15_south_1f_2h": 0.2444,
   "highrise_share": 0.0094,
   "edge_uncertain": 0,
   "height_uncertain": 5,
   "hist_dec15_best_top": [
    64,
    60,
    74,
    85,
    71,
    36,
    31,
    40,
    52,
    21,
    0
   ],
   "hist_dec15_south_1f": [
    327,
    44,
    28,
    30,
    24,
    16,
    4,
    11,
    7,
    0,
    0
   ]
  },
  "residential": {
   "buildings": 406,
   "buildings_with_exterior_face": 406,
   "buildings_with_south_face": 375,
   "dec15_south_1f_q1": 0,
   "dec15_south_1f_median": 0,
   "dec15_south_1f_q3": 110,
   "share_dec15_best_top_2h": 0.8202,
   "dec15_best_top_q1": 150,
   "dec15_best_top_median": 240,
   "dec15_best_top_q3": 400,
   "annual_mean_best_top_mean": 369.1057,
   "mean_floors": 2.5665,
   "share_dec15_south_1f_2h": 0.2427,
   "highrise_share": 0.0123,
   "edge_uncertain": 0,
   "height_uncertain": 1,
   "hist_dec15_best_top": [
    36,
    37,
    58,
    68,
    54,
    32,
    28,
    30,
    43,
    20,
    0
   ],
   "hist_dec15_south_1f": [
    253,
    31,
    23,
    23,
    19,
    14,
    4,
    5,
    3,
    0,
    0
   ]
  },
  "usage_counts": {
   "401": 6,
   "402": 3,
   "411": 205,
   "412": 104,
   "413": 45,
   "415": 52,
   "421": 1,
   "422": 26,
   "431": 8,
   "441": 26,
   "452": 3,
   "454": 1,
   "461": 54
  },
  "top10_dec15_best_top": [
   "13118-bldg-2505709",
   "13118-bldg-35889",
   "13118-bldg-38175",
   "13118-bldg-38489",
   "13118-bldg-39182",
   "13118-bldg-35145",
   "13118-bldg-36282",
   "13118-bldg-36616",
   "13118-bldg-38139",
   "13118-bldg-39154"
  ],
  "bottom10_dec15_best_top": [
   "13118-bldg-2504375",
   "13118-bldg-2505296",
   "13118-bldg-34932",
   "13118-bldg-35332",
   "13118-bldg-35585",
   "13118-bldg-35591",
   "13118-bldg-35761",
   "13118-bldg-36025",
   "13118-bldg-36056",
   "13118-bldg-36552"
  ],
  "links": {
   "map": "https://tokeilab.org/sunlight/map/?lat=35.7478&lon=139.7858&z=17",
   "buildings_api": "https://api.tokeilab.org/api/v1/sunlight/town/13118003008/buildings?page=1",
   "building_api": "https://api.tokeilab.org/api/v1/sunlight/building/{building_id}",
   "building_page": "https://tokeilab.org/sunlight/building/?id={building_id}"
  },
  "model": {
   "params_hash": "00cbc2db66",
   "model_version": "2",
   "methodology": "https://tokeilab.org/sunlight/methodology/"
  }
 }
}