{
 "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/13118/13118002003/",
 "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": "13118002003",
   "name_ja": "荒川三丁目",
   "full_name_ja": "東京都荒川区荒川三丁目",
   "kana": "アラカワ",
   "name_en": "Arakawa 3-chome",
   "name_en_auto": false,
   "lat": 35.7343,
   "lon": 139.7811
  },
  "stats": {
   "buildings": 1294,
   "buildings_with_exterior_face": 1294,
   "buildings_with_south_face": 1127,
   "dec15_south_1f_q1": 0,
   "dec15_south_1f_median": 0,
   "dec15_south_1f_q3": 60,
   "share_dec15_best_top_2h": 0.6754,
   "dec15_best_top_q1": 80,
   "dec15_best_top_median": 190,
   "dec15_best_top_q3": 320,
   "annual_mean_best_top_mean": 327.1531,
   "mean_floors": 2.3594,
   "share_dec15_south_1f_2h": 0.1597,
   "highrise_share": 0.0116,
   "edge_uncertain": 0,
   "height_uncertain": 8,
   "hist_dec15_best_top": [
    264,
    156,
    189,
    168,
    128,
    112,
    92,
    83,
    73,
    29,
    0
   ],
   "hist_dec15_south_1f": [
    843,
    104,
    57,
    46,
    39,
    23,
    9,
    6,
    0,
    0,
    0
   ]
  },
  "residential": {
   "buildings": 1154,
   "buildings_with_exterior_face": 1154,
   "buildings_with_south_face": 1004,
   "dec15_south_1f_q1": 0,
   "dec15_south_1f_median": 0,
   "dec15_south_1f_q3": 40,
   "share_dec15_best_top_2h": 0.6785,
   "dec15_best_top_q1": 80,
   "dec15_best_top_median": 190,
   "dec15_best_top_q3": 320,
   "annual_mean_best_top_mean": 327.7902,
   "mean_floors": 2.3648,
   "share_dec15_south_1f_2h": 0.1434,
   "highrise_share": 0.0113,
   "edge_uncertain": 0,
   "height_uncertain": 4,
   "hist_dec15_best_top": [
    230,
    141,
    168,
    153,
    114,
    101,
    83,
    76,
    66,
    22,
    0
   ],
   "hist_dec15_south_1f": [
    770,
    90,
    47,
    39,
    28,
    20,
    6,
    4,
    0,
    0,
    0
   ]
  },
  "usage_counts": {
   "401": 17,
   "402": 6,
   "403": 1,
   "411": 713,
   "412": 204,
   "413": 192,
   "415": 45,
   "421": 7,
   "422": 31,
   "431": 18,
   "441": 4,
   "454": 4,
   "461": 52
  },
  "top10_dec15_best_top": [
   "13118-bldg-2503743",
   "13118-bldg-26828",
   "13118-bldg-24485",
   "13118-bldg-25694",
   "13118-bldg-26334",
   "13118-bldg-24402",
   "13118-bldg-25531",
   "13118-bldg-23996",
   "13118-bldg-24296",
   "13118-bldg-24828"
  ],
  "bottom10_dec15_best_top": [
   "13118-bldg-24145",
   "13118-bldg-2502263",
   "13118-bldg-2502971",
   "13118-bldg-2502976",
   "13118-bldg-2503010",
   "13118-bldg-25282",
   "13118-bldg-25367",
   "13118-bldg-25383",
   "13118-bldg-25501",
   "13118-bldg-25514"
  ],
  "links": {
   "map": "https://tokeilab.org/sunlight/map/?lat=35.7343&lon=139.7811&z=17",
   "buildings_api": "https://api.tokeilab.org/api/v1/sunlight/town/13118002003/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/"
  }
 }
}