{
 "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/13118/13118002006/",
 "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": "13118002006",
   "name_ja": "荒川六丁目",
   "full_name_ja": "東京都荒川区荒川六丁目",
   "kana": "アラカワ",
   "name_en": "Arakawa 6-chome",
   "name_en_auto": false,
   "lat": 35.7421,
   "lon": 139.777
  },
  "stats": {
   "buildings": 1245,
   "buildings_with_exterior_face": 1245,
   "buildings_with_south_face": 1073,
   "dec15_south_1f_q1": 0,
   "dec15_south_1f_median": 0,
   "dec15_south_1f_q3": 60,
   "share_dec15_best_top_2h": 0.6787,
   "dec15_best_top_q1": 90,
   "dec15_best_top_median": 180,
   "dec15_best_top_q3": 290,
   "annual_mean_best_top_mean": 313.7993,
   "mean_floors": 2.2329,
   "share_dec15_south_1f_2h": 0.15,
   "highrise_share": 0.004,
   "edge_uncertain": 0,
   "height_uncertain": 0,
   "hist_dec15_best_top": [
    215,
    185,
    220,
    170,
    144,
    90,
    66,
    63,
    74,
    18,
    0
   ],
   "hist_dec15_south_1f": [
    797,
    115,
    81,
    37,
    20,
    15,
    7,
    1,
    0,
    0,
    0
   ]
  },
  "residential": {
   "buildings": 1154,
   "buildings_with_exterior_face": 1154,
   "buildings_with_south_face": 996,
   "dec15_south_1f_q1": 0,
   "dec15_south_1f_median": 0,
   "dec15_south_1f_q3": 50,
   "share_dec15_best_top_2h": 0.6854,
   "dec15_best_top_q1": 90,
   "dec15_best_top_median": 180,
   "dec15_best_top_q3": 290,
   "annual_mean_best_top_mean": 312.9876,
   "mean_floors": 2.2166,
   "share_dec15_south_1f_2h": 0.1446,
   "highrise_share": 0.0009,
   "edge_uncertain": 0,
   "height_uncertain": 0,
   "hist_dec15_best_top": [
    195,
    168,
    209,
    162,
    134,
    86,
    63,
    54,
    67,
    16,
    0
   ],
   "hist_dec15_south_1f": [
    748,
    104,
    75,
    35,
    17,
    12,
    4,
    1,
    0,
    0,
    0
   ]
  },
  "usage_counts": {
   "401": 6,
   "402": 1,
   "411": 746,
   "412": 176,
   "413": 165,
   "415": 67,
   "422": 16,
   "431": 8,
   "441": 2,
   "454": 8,
   "461": 50
  },
  "top10_dec15_best_top": [
   "13118-bldg-19714",
   "13118-bldg-19923",
   "13118-bldg-18179",
   "13118-bldg-19008",
   "13118-bldg-17240",
   "13118-bldg-19290",
   "13118-bldg-19415",
   "13118-bldg-17277",
   "13118-bldg-18031",
   "13118-bldg-18045"
  ],
  "bottom10_dec15_best_top": [
   "13118-bldg-17207",
   "13118-bldg-17237",
   "13118-bldg-17266",
   "13118-bldg-17272",
   "13118-bldg-17379",
   "13118-bldg-17390",
   "13118-bldg-17399",
   "13118-bldg-17536",
   "13118-bldg-17558",
   "13118-bldg-17609"
  ],
  "links": {
   "map": "https://tokeilab.org/sunlight/map/?lat=35.7421&lon=139.777&z=17",
   "buildings_api": "https://api.tokeilab.org/api/v1/sunlight/town/13118002006/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/"
  }
 }
}