{
  "fields": [{"id":"_id","type":"int"},{"id":"月","type":"text"},{"id":"日数","type":"text"},{"id":"N1","type":"numeric"},{"id":"N2","type":"numeric"},{"id":"N3","type":"numeric"},{"id":"N4","type":"numeric"},{"id":"計","type":"numeric"},{"id":"Ｌden","type":"numeric"}],
  "records": [
    [1,"4.0","30",114,589,449,105,1257,46.4987366441833],
    [2,"5.0","31",118,784,429,112,1443,46.2408179895206],
    [3,"6.0","30",122,902,363,122,1509,47.4411367438053],
    [4,"7.0","31",54,421,138,55,668,42.9699164954947],
    [5,"8.0","31",103,779,290,178,1350,47.1471017703465],
    [6,"9.0","30",102,714,281,83,1180,45.3811338334135],
    [7,"10.0","30",20,168,49,10,247,38.4785763124407],
    [8,"11.0","30",19,216,101,16,352,40.753157974354],
    [9,"12.0","31",67,635,443,57,1202,44.1227148246344],
    [10,"1.0","31",89,694,511,59,1353,44.128379233671],
    [11,"2.0","29",85,874,590,81,1630,46.7411572661261],
    [12,"3.0","31",85,848,610,98,1641,46.3153849112163],
    [13,"合計",null,978,7624,4254,976,13832,null],
    [14,"平均",null,81.5,635.3333333333334,354.5,81.33333333333333,1152.6666666666667,45.32621103263821],
    [15,"最大",null,122,902,610,178,1641,47.4411367438053],
    [16,"最小",null,19,168,49,10,247,38.4785763124407],
    [17,"日平均",null,2.6794520547945204,20.887671232876713,11.654794520547945,2.673972602739726,37.895890410958906,null],
    [18,"",null,null,null,null,null,null,null],
    [19,"注1) N1=0時～7時  N2=7時～19時  N3=19時～22時  N4=22時～24時",null,null,null,null,null,null,null],
    [20,"注2) Ｌden…一般的に活動している時間帯より、寝ている時間帯の方が騒音をうるさく\n       感じるため、時間区分によって、発生した騒音に対してペナルティを科す評価値\n       (参考:N3…＋5dB,N1及びN4…+10dB)",null,null,null,null,null,null,null],
    [21,"",null,null,null,null,null,null,null],
    [22,"",null,null,null,null,null,null,null],
    [23,"注3) WECPNL…H24年度まで使われていた航空機騒音評価指標。\n　    時間帯ごとに機数の数で重み付けを行う評価値(参考:N3…3倍,N1及びN4…10倍)",null,null,null,null,null,null,null],
    [24,"",null,null,null,null,null,null,null],
    [25,"注4) 最大騒音レベル…航空機が通過したときに発生した騒音レベルの最大値",null,null,null,null,null,null,null]
]}