観測所番号 44112
都道府県 東京都 [ 地域ポータル ]
所在地 東京都八王子市元本郷町 (東京都八王子市)
観測月数 411
観測回数 300,264
観測期間
期間 名前 緯度 経度 高度 風速計高さ
1983年10月01日 〜 1987年11月24日 八王子 (ハチオウジ) 35.667N 139.317E 123m 49.8m
1987年11月25日 〜 2008年03月10日 八王子 (ハチオウジ) 35.667N 139.317E 123m 49.8m
2008年03月11日 〜 2017年12月99日 八王子 (ハチオウジ) 35.667N 139.317E 123m 49.8m
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
44111 八王子(東京都) 0.45km 168度
46046 相模原中央(神奈川県) 11.58km 155度
46001 相模湖(神奈川県) 12.73km 241度
44056 青梅(東京都) 13.43km 358度
43266 所沢(埼玉県) 14.62km 36度
44116 府中(東京都) 15.13km 83度
43231 飯能(埼玉県) 18.98km 1度
44051 小沢(東京都) 19.11km 293度
49171 上野原(山梨県) 19.14km 254度
44121 調布(東京都) 19.29km 89度
49172 上野原(山梨県) 19.90km 254度
44071 練馬(東京都) 26.10km 72度
46091 海老名(神奈川県) 26.73km 166度
44126 世田谷(東京都) 27.80km 99度
44046 小河内(東京都) 27.85km 299度

全期間統計

降水量

0.0mm - 0.4mm 0.0mm - 0.4mm = 278,599
[278,599 (92.78% / 92.90%)] [278,599 / 299,886 (92.90)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 11,088
[11,088 (3.69% / 3.70%)] [289,687 / 21,287 (96.60)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,066
[4,066 (1.35% / 1.36%)] [293,753 / 10,199 (97.95)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,053
[2,053 (0.68% / 0.68%)] [295,806 / 6,133 (98.64)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,226
[1,226 (0.41% / 0.41%)] [297,032 / 4,080 (99.05)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 742
[742 (0.25% / 0.25%)] [297,774 / 2,854 (99.30)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 491
[491 (0.16% / 0.16%)] [298,265 / 2,112 (99.46)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 339
[339 (0.11% / 0.11%)] [298,604 / 1,621 (99.57)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 258
[258 (0.09% / 0.09%)] [298,862 / 1,282 (99.66)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 196
[196 (0.07% / 0.07%)] [299,058 / 1,024 (99.72)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 147
[147 (0.05% / 0.05%)] [299,205 / 828 (99.77)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 101
[101 (0.03% / 0.03%)] [299,306 / 681 (99.81)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 86
[86 (0.03% / 0.03%)] [299,392 / 580 (99.84)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 64
[64 (0.02% / 0.02%)] [299,456 / 494 (99.86)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 60
[60 (0.02% / 0.02%)] [299,516 / 430 (99.88)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 64
[64 (0.02% / 0.02%)] [299,580 / 370 (99.90)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 34
[34 (0.01% / 0.01%)] [299,614 / 306 (99.91)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 32
[32 (0.01% / 0.01%)] [299,646 / 272 (99.92)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 28
[28 (0.01% / 0.01%)] [299,674 / 240 (99.93)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 28
[28 (0.01% / 0.01%)] [299,702 / 212 (99.94)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 16
[16 (0.01% / 0.01%)] [299,718 / 184 (99.94)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 16
[16 (0.01% / 0.01%)] [299,734 / 168 (99.95)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 19
[19 (0.01% / 0.01%)] [299,753 / 152 (99.96)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 17
[17 (0.01% / 0.01%)] [299,770 / 133 (99.96)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 12
[12 (0.00% / 0.00%)] [299,782 / 116 (99.97)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 10
[10 (0.00% / 0.00%)] [299,792 / 104 (99.97)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 7
[7 (0.00% / 0.00%)] [299,799 / 94 (99.97)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 6
[6 (0.00% / 0.00%)] [299,805 / 87 (99.97)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 9
[9 (0.00% / 0.00%)] [299,814 / 81 (99.98)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 2
[2 (0.00% / 0.00%)] [299,816 / 72 (99.98)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 9
[9 (0.00% / 0.00%)] [299,825 / 70 (99.98)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 9
[9 (0.00% / 0.00%)] [299,834 / 61 (99.98)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 2
[2 (0.00% / 0.00%)] [299,836 / 52 (99.98)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 5
[5 (0.00% / 0.00%)] [299,841 / 50 (99.98)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 4
[4 (0.00% / 0.00%)] [299,845 / 45 (99.99)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 3
[3 (0.00% / 0.00%)] [299,848 / 41 (99.99)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 7
[7 (0.00% / 0.00%)] [299,855 / 38 (99.99)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 3
[3 (0.00% / 0.00%)] [299,858 / 31 (99.99)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 4
[4 (0.00% / 0.00%)] [299,862 / 28 (99.99)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 5
[5 (0.00% / 0.00%)] [299,867 / 24 (99.99)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 1
[1 (0.00% / 0.00%)] [299,868 / 19 (99.99)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 3
[3 (0.00% / 0.00%)] [299,871 / 18 (99.99)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 2
[2 (0.00% / 0.00%)] [299,873 / 15 (100.00)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 1
[1 (0.00% / 0.00%)] [299,874 / 13 (100.00)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 3
[3 (0.00% / 0.00%)] [299,877 / 12 (100.00)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 3
[3 (0.00% / 0.00%)] [299,880 / 9 (100.00)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 2
[2 (0.00% / 0.00%)] [299,882 / 6 (100.00)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [299,883 / 4 (100.00)]
57.5mm - 58.4mm 57.5mm - 58.4mm = 1
[1 (0.00% / 0.00%)] [299,884 / 3 (100.00)]
60.5mm - 61.4mm 60.5mm - 61.4mm = 1
[1 (0.00% / 0.00%)] [299,885 / 2 (100.00)]
61.5mm - 62.4mm 61.5mm - 62.4mm = 1
[1 (0.00% / 0.00%)] [299,886 / 1 (100.00)]

欠測回数 (378 / 0.13%)

風向

静穏 静穏 = 15,808
[15,808 (5.26% / 5.31%)]
北北東 北北東 = 23,017
[23,017 (7.67% / 7.73%)]
北東 北東 = 10,202
[10,202 (3.40% / 3.43%)]
東北東 東北東 = 8,472
[8,472 (2.82% / 2.85%)]
東 = 9,790
[9,790 (3.26% / 3.29%)]
東南東 東南東 = 10,976
[10,976 (3.66% / 3.69%)]
南東 南東 = 15,230
[15,230 (5.07% / 5.12%)]
南南東 南南東 = 24,724
[24,724 (8.23% / 8.31%)]
南 = 20,358
[20,358 (6.78% / 6.84%)]
南南西 南南西 = 7,291
[7,291 (2.43% / 2.45%)]
南西 南西 = 7,134
[7,134 (2.38% / 2.40%)]
西南西 西南西 = 5,448
[5,448 (1.81% / 1.83%)]
西 西 = 11,765
[11,765 (3.92% / 3.95%)]
西北西 西北西 = 27,475
[27,475 (9.15% / 9.23%)]
北西 北西 = 32,532
[32,532 (10.83% / 10.93%)]
北北西 北北西 = 25,977
[25,977 (8.65% / 8.73%)]
北 = 41,472
[41,472 (13.81% / 13.93%)]

欠測回数 (2,593 / 0.86%)

風速

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 17,877
[17,877 (5.95% / 5.96%)] [17,877 / 300,075 (5.96)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 71,070
[71,070 (23.67% / 23.68%)] [88,947 / 282,198 (29.64)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 82,009
[82,009 (27.31% / 27.33%)] [170,956 / 211,128 (56.97)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 52,138
[52,138 (17.36% / 17.37%)] [223,094 / 129,119 (74.35)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 28,849
[28,849 (9.61% / 9.61%)] [251,943 / 76,981 (83.96)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 18,061
[18,061 (6.02% / 6.02%)] [270,004 / 48,132 (89.98)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 11,942
[11,942 (3.98% / 3.98%)] [281,946 / 30,071 (93.96)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 7,633
[7,633 (2.54% / 2.54%)] [289,579 / 18,129 (96.50)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 4,758
[4,758 (1.58% / 1.59%)] [294,337 / 10,496 (98.09)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 2,827
[2,827 (0.94% / 0.94%)] [297,164 / 5,738 (99.03)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 1,522
[1,522 (0.51% / 0.51%)] [298,686 / 2,911 (99.54)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 702
[702 (0.23% / 0.23%)] [299,388 / 1,389 (99.77)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 348
[348 (0.12% / 0.12%)] [299,736 / 687 (99.89)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 157
[157 (0.05% / 0.05%)] [299,893 / 339 (99.94)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 83
[83 (0.03% / 0.03%)] [299,976 / 182 (99.97)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 40
[40 (0.01% / 0.01%)] [300,016 / 99 (99.98)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 19
[19 (0.01% / 0.01%)] [300,035 / 59 (99.99)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 15
[15 (0.00% / 0.00%)] [300,050 / 40 (99.99)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 15
[15 (0.00% / 0.00%)] [300,065 / 25 (100.00)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 4
[4 (0.00% / 0.00%)] [300,069 / 10 (100.00)]
20.5m/s - 21.4m/s 20.5m/s - 21.4m/s = 3
[3 (0.00% / 0.00%)] [300,072 / 6 (100.00)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 3
[3 (0.00% / 0.00%)] [300,075 / 3 (100.00)]

欠測回数 (189 / 0.06%)

気温

-8.5℃ - -7.6℃ -8.5℃ - -7.6℃ = 3
[3 (0.00% / 0.00%)] [3 / 300,016 (0.00)]
-7.5℃ - -6.6℃ -7.5℃ - -6.6℃ = 12
[12 (0.00% / 0.00%)] [15 / 300,013 (0.00)]
-6.5℃ - -5.6℃ -6.5℃ - -5.6℃ = 40
[40 (0.01% / 0.01%)] [55 / 300,001 (0.02)]
-5.5℃ - -4.6℃ -5.5℃ - -4.6℃ = 213
[213 (0.07% / 0.07%)] [268 / 299,961 (0.09)]
-4.5℃ - -3.6℃ -4.5℃ - -3.6℃ = 604
[604 (0.20% / 0.20%)] [872 / 299,748 (0.29)]
-3.5℃ - -2.6℃ -3.5℃ - -2.6℃ = 1,182
[1,182 (0.39% / 0.39%)] [2,054 / 299,144 (0.68)]
-2.5℃ - -1.6℃ -2.5℃ - -1.6℃ = 2,254
[2,254 (0.75% / 0.75%)] [4,308 / 297,962 (1.44)]
-1.5℃ - -0.6℃ -1.5℃ - -0.6℃ = 3,453
[3,453 (1.15% / 1.15%)] [7,761 / 295,708 (2.59)]
-0.5℃ - 0.4℃ -0.5℃ - 0.4℃ = 10,202
[10,202 (3.40% / 3.40%)] [17,963 / 292,255 (5.99)]
0.5℃ - 1.4℃ 0.5℃ - 1.4℃ = 6,984
[6,984 (2.33% / 2.33%)] [24,947 / 282,053 (8.32)]
1.5℃ - 2.4℃ 1.5℃ - 2.4℃ = 7,138
[7,138 (2.38% / 2.38%)] [32,085 / 275,069 (10.69)]
2.5℃ - 3.4℃ 2.5℃ - 3.4℃ = 8,008
[8,008 (2.67% / 2.67%)] [40,093 / 267,931 (13.36)]
3.5℃ - 4.4℃ 3.5℃ - 4.4℃ = 8,550
[8,550 (2.85% / 2.85%)] [48,643 / 259,923 (16.21)]
4.5℃ - 5.4℃ 4.5℃ - 5.4℃ = 9,321
[9,321 (3.10% / 3.11%)] [57,964 / 251,373 (19.32)]
5.5℃ - 6.4℃ 5.5℃ - 6.4℃ = 9,615
[9,615 (3.20% / 3.20%)] [67,579 / 242,052 (22.53)]
6.5℃ - 7.4℃ 6.5℃ - 7.4℃ = 9,953
[9,953 (3.31% / 3.32%)] [77,532 / 232,437 (25.84)]
7.5℃ - 8.4℃ 7.5℃ - 8.4℃ = 10,083
[10,083 (3.36% / 3.36%)] [87,615 / 222,484 (29.20)]
8.5℃ - 9.4℃ 8.5℃ - 9.4℃ = 9,890
[9,890 (3.29% / 3.30%)] [97,505 / 212,401 (32.50)]
9.5℃ - 10.4℃ 9.5℃ - 10.4℃ = 9,684
[9,684 (3.23% / 3.23%)] [107,189 / 202,511 (35.73)]
10.5℃ - 11.4℃ 10.5℃ - 11.4℃ = 9,331
[9,331 (3.11% / 3.11%)] [116,520 / 192,827 (38.84)]
11.5℃ - 12.4℃ 11.5℃ - 12.4℃ = 9,306
[9,306 (3.10% / 3.10%)] [125,826 / 183,496 (41.94)]
12.5℃ - 13.4℃ 12.5℃ - 13.4℃ = 9,518
[9,518 (3.17% / 3.17%)] [135,344 / 174,190 (45.11)]
13.5℃ - 14.4℃ 13.5℃ - 14.4℃ = 9,588
[9,588 (3.19% / 3.20%)] [144,932 / 164,672 (48.31)]
14.5℃ - 15.4℃ 14.5℃ - 15.4℃ = 10,239
[10,239 (3.41% / 3.41%)] [155,171 / 155,084 (51.72)]
15.5℃ - 16.4℃ 15.5℃ - 16.4℃ = 10,430
[10,430 (3.47% / 3.48%)] [165,601 / 144,845 (55.20)]
16.5℃ - 17.4℃ 16.5℃ - 17.4℃ = 10,715
[10,715 (3.57% / 3.57%)] [176,316 / 134,415 (58.77)]
17.5℃ - 18.4℃ 17.5℃ - 18.4℃ = 11,133
[11,133 (3.71% / 3.71%)] [187,449 / 123,700 (62.48)]
18.5℃ - 19.4℃ 18.5℃ - 19.4℃ = 11,276
[11,276 (3.76% / 3.76%)] [198,725 / 112,567 (66.24)]
19.5℃ - 20.4℃ 19.5℃ - 20.4℃ = 11,595
[11,595 (3.86% / 3.86%)] [210,320 / 101,291 (70.10)]
20.5℃ - 21.4℃ 20.5℃ - 21.4℃ = 11,795
[11,795 (3.93% / 3.93%)] [222,115 / 89,696 (74.03)]
21.5℃ - 22.4℃ 21.5℃ - 22.4℃ = 11,231
[11,231 (3.74% / 3.74%)] [233,346 / 77,901 (77.78)]
22.5℃ - 23.4℃ 22.5℃ - 23.4℃ = 11,002
[11,002 (3.66% / 3.67%)] [244,348 / 66,670 (81.44)]
23.5℃ - 24.4℃ 23.5℃ - 24.4℃ = 10,853
[10,853 (3.61% / 3.62%)] [255,201 / 55,668 (85.06)]
24.5℃ - 25.4℃ 24.5℃ - 25.4℃ = 9,808
[9,808 (3.27% / 3.27%)] [265,009 / 44,815 (88.33)]
25.5℃ - 26.4℃ 25.5℃ - 26.4℃ = 7,948
[7,948 (2.65% / 2.65%)] [272,957 / 35,007 (90.98)]
26.5℃ - 27.4℃ 26.5℃ - 27.4℃ = 6,312
[6,312 (2.10% / 2.10%)] [279,269 / 27,059 (93.08)]
27.5℃ - 28.4℃ 27.5℃ - 28.4℃ = 4,997
[4,997 (1.66% / 1.67%)] [284,266 / 20,747 (94.75)]
28.5℃ - 29.4℃ 28.5℃ - 29.4℃ = 4,038
[4,038 (1.34% / 1.35%)] [288,304 / 15,750 (96.10)]
29.5℃ - 30.4℃ 29.5℃ - 30.4℃ = 3,285
[3,285 (1.09% / 1.09%)] [291,589 / 11,712 (97.19)]
30.5℃ - 31.4℃ 30.5℃ - 31.4℃ = 2,707
[2,707 (0.90% / 0.90%)] [294,296 / 8,427 (98.09)]
31.5℃ - 32.4℃ 31.5℃ - 32.4℃ = 2,269
[2,269 (0.76% / 0.76%)] [296,565 / 5,720 (98.85)]
32.5℃ - 33.4℃ 32.5℃ - 33.4℃ = 1,524
[1,524 (0.51% / 0.51%)] [298,089 / 3,451 (99.36)]
33.5℃ - 34.4℃ 33.5℃ - 34.4℃ = 1,043
[1,043 (0.35% / 0.35%)] [299,132 / 1,927 (99.71)]
34.5℃ - 35.4℃ 34.5℃ - 35.4℃ = 505
[505 (0.17% / 0.17%)] [299,637 / 884 (99.87)]
35.5℃ - 36.4℃ 35.5℃ - 36.4℃ = 256
[256 (0.09% / 0.09%)] [299,893 / 379 (99.96)]
36.5℃ - 37.4℃ 36.5℃ - 37.4℃ = 83
[83 (0.03% / 0.03%)] [299,976 / 123 (99.99)]
37.5℃ - 38.4℃ 37.5℃ - 38.4℃ = 29
[29 (0.01% / 0.01%)] [300,005 / 40 (100.00)]
38.5℃ - 39.4℃ 38.5℃ - 39.4℃ = 11
[11 (0.00% / 0.00%)] [300,016 / 11 (100.00)]

欠測回数 (248 / 0.08%)

日照時間

0.0h 0.0h = 214,064
[214,064 (71.29% / 71.36%)] [214,064 / 299,968 (71.36)]
0.1h 0.1h = 6,059
[6,059 (2.02% / 2.02%)] [220,123 / 85,904 (73.38)]
0.2h 0.2h = 4,819
[4,819 (1.60% / 1.61%)] [224,942 / 79,845 (74.99)]
0.3h 0.3h = 4,151
[4,151 (1.38% / 1.38%)] [229,093 / 75,026 (76.37)]
0.4h 0.4h = 3,858
[3,858 (1.28% / 1.29%)] [232,951 / 70,875 (77.66)]
0.5h 0.5h = 3,732
[3,732 (1.24% / 1.24%)] [236,683 / 67,017 (78.90)]
0.6h 0.6h = 3,734
[3,734 (1.24% / 1.24%)] [240,417 / 63,285 (80.15)]
0.7h 0.7h = 3,956
[3,956 (1.32% / 1.32%)] [244,373 / 59,551 (81.47)]
0.8h 0.8h = 4,589
[4,589 (1.53% / 1.53%)] [248,962 / 55,595 (83.00)]
0.9h 0.9h = 6,013
[6,013 (2.00% / 2.00%)] [254,975 / 51,006 (85.00)]
1.0h 1.0h = 44,993
[44,993 (14.98% / 15.00%)] [299,968 / 44,993 (100.00)]

欠測回数 (296 / 0.10%)