観測所番号 44263
都道府県 東京都 [ 地域ポータル ]
所在地 東京都八丈島八丈町大賀郷  (東京都八丈島八丈町)
観測月数 168
観測回数 122,070
観測期間
期間 名前 緯度 経度 高度 風速計高さ
2003年08月28日 〜 2003年12月02日 八丈島 (ハチジョウジマ) 33.122N 139.778E 151m 13.6m
2003年12月03日 〜 2005年05月16日 八丈島 (ハチジョウジマ) 33.122N 139.778E 151m 18.8m
2005年05月17日 〜 2017年07月99日 八丈島 (ハチジョウジマ) 33.122N 139.778E 151m 18.1m
リアルタイムデータ アメラス(アメダス・ランキング・サービス)
過去の大雨データ アメダス集中豪雨
気象災害報告
台風接近履歴
近隣観測所
番号 名前 距離 方位
44262 八重見ヶ原(東京都) 1.01km 139度
44261 八丈島(東京都) 2.16km 167度

全期間統計

降水量

0.0mm - 0.4mm 0.0mm - 0.4mm = 107,351
[107,351 (87.94% / 88.07%)] [107,351 / 121,888 (88.07)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 6,613
[6,613 (5.42% / 5.43%)] [113,964 / 14,537 (93.50)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 2,571
[2,571 (2.11% / 2.11%)] [116,535 / 7,924 (95.61)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 1,524
[1,524 (1.25% / 1.25%)] [118,059 / 5,353 (96.86)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 896
[896 (0.73% / 0.74%)] [118,955 / 3,829 (97.59)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 671
[671 (0.55% / 0.55%)] [119,626 / 2,933 (98.14)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 461
[461 (0.38% / 0.38%)] [120,087 / 2,262 (98.52)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 384
[384 (0.31% / 0.32%)] [120,471 / 1,801 (98.84)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 297
[297 (0.24% / 0.24%)] [120,768 / 1,417 (99.08)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 189
[189 (0.15% / 0.16%)] [120,957 / 1,120 (99.24)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 146
[146 (0.12% / 0.12%)] [121,103 / 931 (99.36)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 141
[141 (0.12% / 0.12%)] [121,244 / 785 (99.47)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 92
[92 (0.08% / 0.08%)] [121,336 / 644 (99.55)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 87
[87 (0.07% / 0.07%)] [121,423 / 552 (99.62)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 60
[60 (0.05% / 0.05%)] [121,483 / 465 (99.67)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 59
[59 (0.05% / 0.05%)] [121,542 / 405 (99.72)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 48
[48 (0.04% / 0.04%)] [121,590 / 346 (99.76)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 23
[23 (0.02% / 0.02%)] [121,613 / 298 (99.77)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 40
[40 (0.03% / 0.03%)] [121,653 / 275 (99.81)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 27
[27 (0.02% / 0.02%)] [121,680 / 235 (99.83)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 28
[28 (0.02% / 0.02%)] [121,708 / 208 (99.85)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 24
[24 (0.02% / 0.02%)] [121,732 / 180 (99.87)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 18
[18 (0.01% / 0.01%)] [121,750 / 156 (99.89)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 14
[14 (0.01% / 0.01%)] [121,764 / 138 (99.90)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 14
[14 (0.01% / 0.01%)] [121,778 / 124 (99.91)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 18
[18 (0.01% / 0.01%)] [121,796 / 110 (99.92)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 10
[10 (0.01% / 0.01%)] [121,806 / 92 (99.93)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 10
[10 (0.01% / 0.01%)] [121,816 / 82 (99.94)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 5
[5 (0.00% / 0.00%)] [121,821 / 72 (99.95)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 11
[11 (0.01% / 0.01%)] [121,832 / 67 (99.95)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 6
[6 (0.00% / 0.00%)] [121,838 / 56 (99.96)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 8
[8 (0.01% / 0.01%)] [121,846 / 50 (99.97)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 6
[6 (0.00% / 0.00%)] [121,852 / 42 (99.97)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 3
[3 (0.00% / 0.00%)] [121,855 / 36 (99.97)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 4
[4 (0.00% / 0.00%)] [121,859 / 33 (99.98)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 2
[2 (0.00% / 0.00%)] [121,861 / 29 (99.98)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 2
[2 (0.00% / 0.00%)] [121,863 / 27 (99.98)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 1
[1 (0.00% / 0.00%)] [121,864 / 25 (99.98)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 4
[4 (0.00% / 0.00%)] [121,868 / 24 (99.98)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [121,869 / 20 (99.98)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [121,870 / 19 (99.99)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 3
[3 (0.00% / 0.00%)] [121,873 / 18 (99.99)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 1
[1 (0.00% / 0.00%)] [121,874 / 15 (99.99)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [121,875 / 14 (99.99)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [121,876 / 13 (99.99)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 2
[2 (0.00% / 0.00%)] [121,878 / 12 (99.99)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [121,879 / 10 (99.99)]
50.5mm - 51.4mm 50.5mm - 51.4mm = 1
[1 (0.00% / 0.00%)] [121,880 / 9 (99.99)]
53.5mm - 54.4mm 53.5mm - 54.4mm = 1
[1 (0.00% / 0.00%)] [121,881 / 8 (99.99)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 1
[1 (0.00% / 0.00%)] [121,882 / 7 (100.00)]
56.5mm - 57.4mm 56.5mm - 57.4mm = 1
[1 (0.00% / 0.00%)] [121,883 / 6 (100.00)]
68.5mm - 69.4mm 68.5mm - 69.4mm = 2
[2 (0.00% / 0.00%)] [121,885 / 5 (100.00)]
74.5mm - 75.4mm 74.5mm - 75.4mm = 1
[1 (0.00% / 0.00%)] [121,886 / 3 (100.00)]
83.5mm - 84.4mm 83.5mm - 84.4mm = 1
[1 (0.00% / 0.00%)] [121,887 / 2 (100.00)]
90.5mm - 91.4mm 90.5mm - 91.4mm = 1
[1 (0.00% / 0.00%)] [121,888 / 1 (100.00)]

欠測回数 (182 / 0.15%)

風向

静穏 静穏 = 98
[98 (0.08% / 0.08%)]
北北東 北北東 = 3,077
[3,077 (2.52% / 2.52%)]
北東 北東 = 12,179
[12,179 (9.98% / 9.99%)]
東北東 東北東 = 16,637
[16,637 (13.63% / 13.64%)]
東 = 7,505
[7,505 (6.15% / 6.15%)]
東南東 東南東 = 2,458
[2,458 (2.01% / 2.02%)]
南東 南東 = 1,299
[1,299 (1.06% / 1.07%)]
南南東 南南東 = 2,051
[2,051 (1.68% / 1.68%)]
南 = 4,899
[4,899 (4.01% / 4.02%)]
南南西 南南西 = 10,346
[10,346 (8.48% / 8.48%)]
南西 南西 = 15,384
[15,384 (12.60% / 12.62%)]
西南西 西南西 = 10,536
[10,536 (8.63% / 8.64%)]
西 西 = 23,044
[23,044 (18.88% / 18.90%)]
西北西 西北西 = 8,764
[8,764 (7.18% / 7.19%)]
北西 北西 = 1,699
[1,699 (1.39% / 1.39%)]
北北西 北北西 = 868
[868 (0.71% / 0.71%)]
北 = 1,091
[1,091 (0.89% / 0.89%)]

欠測回数 (135 / 0.11%)

風速

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 201
[201 (0.16% / 0.16%)] [201 / 121,935 (0.16)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 8,580
[8,580 (7.03% / 7.04%)] [8,781 / 121,734 (7.20)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 15,062
[15,062 (12.34% / 12.35%)] [23,843 / 113,154 (19.55)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 17,731
[17,731 (14.53% / 14.54%)] [41,574 / 98,092 (34.10)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 19,087
[19,087 (15.64% / 15.65%)] [60,661 / 80,361 (49.75)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 17,692
[17,692 (14.49% / 14.51%)] [78,353 / 61,274 (64.26)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 14,532
[14,532 (11.90% / 11.92%)] [92,885 / 43,582 (76.18)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 10,533
[10,533 (8.63% / 8.64%)] [103,418 / 29,050 (84.81)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 7,330
[7,330 (6.00% / 6.01%)] [110,748 / 18,517 (90.83)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 4,464
[4,464 (3.66% / 3.66%)] [115,212 / 11,187 (94.49)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 2,745
[2,745 (2.25% / 2.25%)] [117,957 / 6,723 (96.74)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 1,654
[1,654 (1.35% / 1.36%)] [119,611 / 3,978 (98.09)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 956
[956 (0.78% / 0.78%)] [120,567 / 2,324 (98.88)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 558
[558 (0.46% / 0.46%)] [121,125 / 1,368 (99.34)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 349
[349 (0.29% / 0.29%)] [121,474 / 810 (99.62)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 222
[222 (0.18% / 0.18%)] [121,696 / 461 (99.80)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 105
[105 (0.09% / 0.09%)] [121,801 / 239 (99.89)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 65
[65 (0.05% / 0.05%)] [121,866 / 134 (99.94)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 35
[35 (0.03% / 0.03%)] [121,901 / 69 (99.97)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 14
[14 (0.01% / 0.01%)] [121,915 / 34 (99.98)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 9
[9 (0.01% / 0.01%)] [121,924 / 20 (99.99)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 2
[2 (0.00% / 0.00%)] [121,926 / 11 (99.99)]
22.5m/s - 23.4m/s 22.5m/s - 23.4m/s = 2
[2 (0.00% / 0.00%)] [121,928 / 9 (99.99)]
23.5m/s - 24.4m/s 23.5m/s - 24.4m/s = 2
[2 (0.00% / 0.00%)] [121,930 / 7 (100.00)]
24.5m/s - 25.4m/s 24.5m/s - 25.4m/s = 1
[1 (0.00% / 0.00%)] [121,931 / 5 (100.00)]
25.5m/s - 26.4m/s 25.5m/s - 26.4m/s = 3
[3 (0.00% / 0.00%)] [121,934 / 4 (100.00)]
29.5m/s - 30.4m/s 29.5m/s - 30.4m/s = 1
[1 (0.00% / 0.00%)] [121,935 / 1 (100.00)]

欠測回数 (135 / 0.11%)

気温

-0.5℃ - 0.4℃ -0.5℃ - 0.4℃ = 1
[1 (0.00% / 0.00%)] [1 / 121,997 (0.00)]
0.5℃ - 1.4℃ 0.5℃ - 1.4℃ = 7
[7 (0.01% / 0.01%)] [8 / 121,996 (0.01)]
1.5℃ - 2.4℃ 1.5℃ - 2.4℃ = 30
[30 (0.02% / 0.02%)] [38 / 121,989 (0.03)]
2.5℃ - 3.4℃ 2.5℃ - 3.4℃ = 84
[84 (0.07% / 0.07%)] [122 / 121,959 (0.10)]
3.5℃ - 4.4℃ 3.5℃ - 4.4℃ = 170
[170 (0.14% / 0.14%)] [292 / 121,875 (0.24)]
4.5℃ - 5.4℃ 4.5℃ - 5.4℃ = 637
[637 (0.52% / 0.52%)] [929 / 121,705 (0.76)]
5.5℃ - 6.4℃ 5.5℃ - 6.4℃ = 1,390
[1,390 (1.14% / 1.14%)] [2,319 / 121,068 (1.90)]
6.5℃ - 7.4℃ 6.5℃ - 7.4℃ = 2,581
[2,581 (2.11% / 2.12%)] [4,900 / 119,678 (4.02)]
7.5℃ - 8.4℃ 7.5℃ - 8.4℃ = 3,824
[3,824 (3.13% / 3.13%)] [8,724 / 117,097 (7.15)]
8.5℃ - 9.4℃ 8.5℃ - 9.4℃ = 4,777
[4,777 (3.91% / 3.92%)] [13,501 / 113,273 (11.07)]
9.5℃ - 10.4℃ 9.5℃ - 10.4℃ = 4,955
[4,955 (4.06% / 4.06%)] [18,456 / 108,496 (15.13)]
10.5℃ - 11.4℃ 10.5℃ - 11.4℃ = 4,712
[4,712 (3.86% / 3.86%)] [23,168 / 103,541 (18.99)]
11.5℃ - 12.4℃ 11.5℃ - 12.4℃ = 4,846
[4,846 (3.97% / 3.97%)] [28,014 / 98,829 (22.96)]
12.5℃ - 13.4℃ 12.5℃ - 13.4℃ = 5,077
[5,077 (4.16% / 4.16%)] [33,091 / 93,983 (27.12)]
13.5℃ - 14.4℃ 13.5℃ - 14.4℃ = 5,413
[5,413 (4.43% / 4.44%)] [38,504 / 88,906 (31.56)]
14.5℃ - 15.4℃ 14.5℃ - 15.4℃ = 5,424
[5,424 (4.44% / 4.45%)] [43,928 / 83,493 (36.01)]
15.5℃ - 16.4℃ 15.5℃ - 16.4℃ = 5,696
[5,696 (4.67% / 4.67%)] [49,624 / 78,069 (40.68)]
16.5℃ - 17.4℃ 16.5℃ - 17.4℃ = 5,850
[5,850 (4.79% / 4.80%)] [55,474 / 72,373 (45.47)]
17.5℃ - 18.4℃ 17.5℃ - 18.4℃ = 6,454
[6,454 (5.29% / 5.29%)] [61,928 / 66,523 (50.76)]
18.5℃ - 19.4℃ 18.5℃ - 19.4℃ = 6,575
[6,575 (5.39% / 5.39%)] [68,503 / 60,069 (56.15)]
19.5℃ - 20.4℃ 19.5℃ - 20.4℃ = 6,359
[6,359 (5.21% / 5.21%)] [74,862 / 53,494 (61.36)]
20.5℃ - 21.4℃ 20.5℃ - 21.4℃ = 6,320
[6,320 (5.18% / 5.18%)] [81,182 / 47,135 (66.54)]
21.5℃ - 22.4℃ 21.5℃ - 22.4℃ = 6,349
[6,349 (5.20% / 5.20%)] [87,531 / 40,815 (71.75)]
22.5℃ - 23.4℃ 22.5℃ - 23.4℃ = 5,933
[5,933 (4.86% / 4.86%)] [93,464 / 34,466 (76.61)]
23.5℃ - 24.4℃ 23.5℃ - 24.4℃ = 6,190
[6,190 (5.07% / 5.07%)] [99,654 / 28,533 (81.69)]
24.5℃ - 25.4℃ 24.5℃ - 25.4℃ = 6,973
[6,973 (5.71% / 5.72%)] [106,627 / 22,343 (87.40)]
25.5℃ - 26.4℃ 25.5℃ - 26.4℃ = 6,175
[6,175 (5.06% / 5.06%)] [112,802 / 15,370 (92.46)]
26.5℃ - 27.4℃ 26.5℃ - 27.4℃ = 4,119
[4,119 (3.37% / 3.38%)] [116,921 / 9,195 (95.84)]
27.5℃ - 28.4℃ 27.5℃ - 28.4℃ = 2,659
[2,659 (2.18% / 2.18%)] [119,580 / 5,076 (98.02)]
28.5℃ - 29.4℃ 28.5℃ - 29.4℃ = 1,629
[1,629 (1.33% / 1.34%)] [121,209 / 2,417 (99.35)]
29.5℃ - 30.4℃ 29.5℃ - 30.4℃ = 596
[596 (0.49% / 0.49%)] [121,805 / 788 (99.84)]
30.5℃ - 31.4℃ 30.5℃ - 31.4℃ = 156
[156 (0.13% / 0.13%)] [121,961 / 192 (99.97)]
31.5℃ - 32.4℃ 31.5℃ - 32.4℃ = 35
[35 (0.03% / 0.03%)] [121,996 / 36 (100.00)]
32.5℃ - 33.4℃ 32.5℃ - 33.4℃ = 1
[1 (0.00% / 0.00%)] [121,997 / 1 (100.00)]

欠測回数 (73 / 0.06%)

日照時間

0.0h 0.0h = 86,908
[86,908 (71.20% / 71.34%)] [86,908 / 121,826 (71.34)]
0.1h 0.1h = 4,447
[4,447 (3.64% / 3.65%)] [91,355 / 34,918 (74.99)]
0.2h 0.2h = 3,328
[3,328 (2.73% / 2.73%)] [94,683 / 30,471 (77.72)]
0.3h 0.3h = 2,896
[2,896 (2.37% / 2.38%)] [97,579 / 27,143 (80.10)]
0.4h 0.4h = 2,730
[2,730 (2.24% / 2.24%)] [100,309 / 24,247 (82.34)]
0.5h 0.5h = 2,607
[2,607 (2.14% / 2.14%)] [102,916 / 21,517 (84.48)]
0.6h 0.6h = 2,551
[2,551 (2.09% / 2.09%)] [105,467 / 18,910 (86.57)]
0.7h 0.7h = 2,594
[2,594 (2.13% / 2.13%)] [108,061 / 16,359 (88.70)]
0.8h 0.8h = 2,651
[2,651 (2.17% / 2.18%)] [110,712 / 13,765 (90.88)]
0.9h 0.9h = 3,120
[3,120 (2.56% / 2.56%)] [113,832 / 11,114 (93.44)]
1.0h 1.0h = 7,994
[7,994 (6.55% / 6.56%)] [121,826 / 7,994 (100.00)]

欠測回数 (244 / 0.20%)