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 435
観測回数 317,760
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 〜 2019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 = 294,710
[294,710 (92.75% / 92.85%)] [294,710 / 317,405 (92.85)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 11,857
[11,857 (3.73% / 3.74%)] [306,567 / 22,695 (96.59)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,307
[4,307 (1.36% / 1.36%)] [310,874 / 10,838 (97.94)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,187
[2,187 (0.69% / 0.69%)] [313,061 / 6,531 (98.63)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,303
[1,303 (0.41% / 0.41%)] [314,364 / 4,344 (99.04)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 790
[790 (0.25% / 0.25%)] [315,154 / 3,041 (99.29)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 517
[517 (0.16% / 0.16%)] [315,671 / 2,251 (99.45)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 355
[355 (0.11% / 0.11%)] [316,026 / 1,734 (99.57)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 269
[269 (0.08% / 0.08%)] [316,295 / 1,379 (99.65)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 214
[214 (0.07% / 0.07%)] [316,509 / 1,110 (99.72)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 154
[154 (0.05% / 0.05%)] [316,663 / 896 (99.77)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 110
[110 (0.03% / 0.03%)] [316,773 / 742 (99.80)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 94
[94 (0.03% / 0.03%)] [316,867 / 632 (99.83)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 73
[73 (0.02% / 0.02%)] [316,940 / 538 (99.85)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 65
[65 (0.02% / 0.02%)] [317,005 / 465 (99.87)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 66
[66 (0.02% / 0.02%)] [317,071 / 400 (99.89)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 34
[34 (0.01% / 0.01%)] [317,105 / 334 (99.91)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 36
[36 (0.01% / 0.01%)] [317,141 / 300 (99.92)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 33
[33 (0.01% / 0.01%)] [317,174 / 264 (99.93)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 31
[31 (0.01% / 0.01%)] [317,205 / 231 (99.94)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 16
[16 (0.01% / 0.01%)] [317,221 / 200 (99.94)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 17
[17 (0.01% / 0.01%)] [317,238 / 184 (99.95)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 21
[21 (0.01% / 0.01%)] [317,259 / 167 (99.95)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 19
[19 (0.01% / 0.01%)] [317,278 / 146 (99.96)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 12
[12 (0.00% / 0.00%)] [317,290 / 127 (99.96)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 13
[13 (0.00% / 0.00%)] [317,303 / 115 (99.97)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 10
[10 (0.00% / 0.00%)] [317,313 / 102 (99.97)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 6
[6 (0.00% / 0.00%)] [317,319 / 92 (99.97)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 10
[10 (0.00% / 0.00%)] [317,329 / 86 (99.98)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 3
[3 (0.00% / 0.00%)] [317,332 / 76 (99.98)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 9
[9 (0.00% / 0.00%)] [317,341 / 73 (99.98)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 10
[10 (0.00% / 0.00%)] [317,351 / 64 (99.98)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 2
[2 (0.00% / 0.00%)] [317,353 / 54 (99.98)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 5
[5 (0.00% / 0.00%)] [317,358 / 52 (99.99)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 4
[4 (0.00% / 0.00%)] [317,362 / 47 (99.99)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 3
[3 (0.00% / 0.00%)] [317,365 / 43 (99.99)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 7
[7 (0.00% / 0.00%)] [317,372 / 40 (99.99)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 3
[3 (0.00% / 0.00%)] [317,375 / 33 (99.99)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 5
[5 (0.00% / 0.00%)] [317,380 / 30 (99.99)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 5
[5 (0.00% / 0.00%)] [317,385 / 25 (99.99)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 2
[2 (0.00% / 0.00%)] [317,387 / 20 (99.99)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 3
[3 (0.00% / 0.00%)] [317,390 / 18 (100.00)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 2
[2 (0.00% / 0.00%)] [317,392 / 15 (100.00)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 1
[1 (0.00% / 0.00%)] [317,393 / 13 (100.00)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 3
[3 (0.00% / 0.00%)] [317,396 / 12 (100.00)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 3
[3 (0.00% / 0.00%)] [317,399 / 9 (100.00)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 2
[2 (0.00% / 0.00%)] [317,401 / 6 (100.00)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [317,402 / 4 (100.00)]
57.5mm - 58.4mm 57.5mm - 58.4mm = 1
[1 (0.00% / 0.00%)] [317,403 / 3 (100.00)]
60.5mm - 61.4mm 60.5mm - 61.4mm = 1
[1 (0.00% / 0.00%)] [317,404 / 2 (100.00)]
61.5mm - 62.4mm 61.5mm - 62.4mm = 1
[1 (0.00% / 0.00%)] [317,405 / 1 (100.00)]

欠測回数 (355 / 0.11%)

風向

静穏 静穏 = 16,048
[16,048 (5.05% / 5.09%)]
北北東 北北東 = 24,099
[24,099 (7.58% / 7.65%)]
北東 北東 = 10,780
[10,780 (3.39% / 3.42%)]
東北東 東北東 = 8,967
[8,967 (2.82% / 2.85%)]
東 = 10,384
[10,384 (3.27% / 3.29%)]
東南東 東南東 = 11,654
[11,654 (3.67% / 3.70%)]
南東 南東 = 16,104
[16,104 (5.07% / 5.11%)]
南南東 南南東 = 26,092
[26,092 (8.21% / 8.28%)]
南 = 21,770
[21,770 (6.85% / 6.91%)]
南南西 南南西 = 7,868
[7,868 (2.48% / 2.50%)]
南西 南西 = 7,587
[7,587 (2.39% / 2.41%)]
西南西 西南西 = 5,872
[5,872 (1.85% / 1.86%)]
西 西 = 12,569
[12,569 (3.96% / 3.99%)]
西北西 西北西 = 29,250
[29,250 (9.21% / 9.28%)]
北西 北西 = 34,493
[34,493 (10.86% / 10.94%)]
北北西 北北西 = 27,680
[27,680 (8.71% / 8.78%)]
北 = 43,966
[43,966 (13.84% / 13.95%)]

欠測回数 (2,577 / 0.81%)

風速

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 18,529
[18,529 (5.83% / 5.83%)] [18,529 / 317,587 (5.83)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 75,416
[75,416 (23.73% / 23.75%)] [93,945 / 299,058 (29.58)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 87,022
[87,022 (27.39% / 27.40%)] [180,967 / 223,642 (56.98)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 55,061
[55,061 (17.33% / 17.34%)] [236,028 / 136,620 (74.32)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 30,468
[30,468 (9.59% / 9.59%)] [266,496 / 81,559 (83.91)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 19,159
[19,159 (6.03% / 6.03%)] [285,655 / 51,091 (89.95)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 12,684
[12,684 (3.99% / 3.99%)] [298,339 / 31,932 (93.94)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 8,100
[8,100 (2.55% / 2.55%)] [306,439 / 19,248 (96.49)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 5,080
[5,080 (1.60% / 1.60%)] [311,519 / 11,148 (98.09)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 2,991
[2,991 (0.94% / 0.94%)] [314,510 / 6,068 (99.03)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 1,605
[1,605 (0.51% / 0.51%)] [316,115 / 3,077 (99.54)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 741
[741 (0.23% / 0.23%)] [316,856 / 1,472 (99.77)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 366
[366 (0.12% / 0.12%)] [317,222 / 731 (99.89)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 162
[162 (0.05% / 0.05%)] [317,384 / 365 (99.94)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 90
[90 (0.03% / 0.03%)] [317,474 / 203 (99.96)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 45
[45 (0.01% / 0.01%)] [317,519 / 113 (99.98)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 23
[23 (0.01% / 0.01%)] [317,542 / 68 (99.99)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 15
[15 (0.00% / 0.00%)] [317,557 / 45 (99.99)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 15
[15 (0.00% / 0.00%)] [317,572 / 30 (100.00)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 4
[4 (0.00% / 0.00%)] [317,576 / 15 (100.00)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 3
[3 (0.00% / 0.00%)] [317,579 / 11 (100.00)]
20.5m/s - 21.4m/s 20.5m/s - 21.4m/s = 4
[4 (0.00% / 0.00%)] [317,583 / 8 (100.00)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 3
[3 (0.00% / 0.00%)] [317,586 / 4 (100.00)]
22.5m/s - 23.4m/s 22.5m/s - 23.4m/s = 1
[1 (0.00% / 0.00%)] [317,587 / 1 (100.00)]

欠測回数 (173 / 0.05%)

気温

-8.5℃ - -7.6℃ -8.5℃ - -7.6℃ = 3
[3 (0.00% / 0.00%)] [3 / 317,533 (0.00)]
-7.5℃ - -6.6℃ -7.5℃ - -6.6℃ = 16
[16 (0.01% / 0.01%)] [19 / 317,530 (0.01)]
-6.5℃ - -5.6℃ -6.5℃ - -5.6℃ = 47
[47 (0.01% / 0.01%)] [66 / 317,514 (0.02)]
-5.5℃ - -4.6℃ -5.5℃ - -4.6℃ = 222
[222 (0.07% / 0.07%)] [288 / 317,467 (0.09)]
-4.5℃ - -3.6℃ -4.5℃ - -3.6℃ = 631
[631 (0.20% / 0.20%)] [919 / 317,245 (0.29)]
-3.5℃ - -2.6℃ -3.5℃ - -2.6℃ = 1,223
[1,223 (0.38% / 0.39%)] [2,142 / 316,614 (0.67)]
-2.5℃ - -1.6℃ -2.5℃ - -1.6℃ = 2,376
[2,376 (0.75% / 0.75%)] [4,518 / 315,391 (1.42)]
-1.5℃ - -0.6℃ -1.5℃ - -0.6℃ = 3,622
[3,622 (1.14% / 1.14%)] [8,140 / 313,015 (2.56)]
-0.5℃ - 0.4℃ -0.5℃ - 0.4℃ = 10,669
[10,669 (3.36% / 3.36%)] [18,809 / 309,393 (5.92)]
0.5℃ - 1.4℃ 0.5℃ - 1.4℃ = 7,337
[7,337 (2.31% / 2.31%)] [26,146 / 298,724 (8.23)]
1.5℃ - 2.4℃ 1.5℃ - 2.4℃ = 7,493
[7,493 (2.36% / 2.36%)] [33,639 / 291,387 (10.59)]
2.5℃ - 3.4℃ 2.5℃ - 3.4℃ = 8,364
[8,364 (2.63% / 2.63%)] [42,003 / 283,894 (13.23)]
3.5℃ - 4.4℃ 3.5℃ - 4.4℃ = 8,959
[8,959 (2.82% / 2.82%)] [50,962 / 275,530 (16.05)]
4.5℃ - 5.4℃ 4.5℃ - 5.4℃ = 9,795
[9,795 (3.08% / 3.08%)] [60,757 / 266,571 (19.13)]
5.5℃ - 6.4℃ 5.5℃ - 6.4℃ = 10,109
[10,109 (3.18% / 3.18%)] [70,866 / 256,776 (22.32)]
6.5℃ - 7.4℃ 6.5℃ - 7.4℃ = 10,602
[10,602 (3.34% / 3.34%)] [81,468 / 246,667 (25.66)]
7.5℃ - 8.4℃ 7.5℃ - 8.4℃ = 10,642
[10,642 (3.35% / 3.35%)] [92,110 / 236,065 (29.01)]
8.5℃ - 9.4℃ 8.5℃ - 9.4℃ = 10,465
[10,465 (3.29% / 3.30%)] [102,575 / 225,423 (32.30)]
9.5℃ - 10.4℃ 9.5℃ - 10.4℃ = 10,230
[10,230 (3.22% / 3.22%)] [112,805 / 214,958 (35.53)]
10.5℃ - 11.4℃ 10.5℃ - 11.4℃ = 9,885
[9,885 (3.11% / 3.11%)] [122,690 / 204,728 (38.64)]
11.5℃ - 12.4℃ 11.5℃ - 12.4℃ = 9,813
[9,813 (3.09% / 3.09%)] [132,503 / 194,843 (41.73)]
12.5℃ - 13.4℃ 12.5℃ - 13.4℃ = 10,005
[10,005 (3.15% / 3.15%)] [142,508 / 185,030 (44.88)]
13.5℃ - 14.4℃ 13.5℃ - 14.4℃ = 10,185
[10,185 (3.21% / 3.21%)] [152,693 / 175,025 (48.09)]
14.5℃ - 15.4℃ 14.5℃ - 15.4℃ = 10,869
[10,869 (3.42% / 3.42%)] [163,562 / 164,840 (51.51)]
15.5℃ - 16.4℃ 15.5℃ - 16.4℃ = 11,039
[11,039 (3.47% / 3.48%)] [174,601 / 153,971 (54.99)]
16.5℃ - 17.4℃ 16.5℃ - 17.4℃ = 11,306
[11,306 (3.56% / 3.56%)] [185,907 / 142,932 (58.55)]
17.5℃ - 18.4℃ 17.5℃ - 18.4℃ = 11,775
[11,775 (3.71% / 3.71%)] [197,682 / 131,626 (62.26)]
18.5℃ - 19.4℃ 18.5℃ - 19.4℃ = 11,999
[11,999 (3.78% / 3.78%)] [209,681 / 119,851 (66.03)]
19.5℃ - 20.4℃ 19.5℃ - 20.4℃ = 12,331
[12,331 (3.88% / 3.88%)] [222,012 / 107,852 (69.92)]
20.5℃ - 21.4℃ 20.5℃ - 21.4℃ = 12,471
[12,471 (3.92% / 3.93%)] [234,483 / 95,521 (73.85)]
21.5℃ - 22.4℃ 21.5℃ - 22.4℃ = 11,879
[11,879 (3.74% / 3.74%)] [246,362 / 83,050 (77.59)]
22.5℃ - 23.4℃ 22.5℃ - 23.4℃ = 11,586
[11,586 (3.65% / 3.65%)] [257,948 / 71,171 (81.24)]
23.5℃ - 24.4℃ 23.5℃ - 24.4℃ = 11,429
[11,429 (3.60% / 3.60%)] [269,377 / 59,585 (84.83)]
24.5℃ - 25.4℃ 24.5℃ - 25.4℃ = 10,392
[10,392 (3.27% / 3.27%)] [279,769 / 48,156 (88.11)]
25.5℃ - 26.4℃ 25.5℃ - 26.4℃ = 8,469
[8,469 (2.67% / 2.67%)] [288,238 / 37,764 (90.77)]
26.5℃ - 27.4℃ 26.5℃ - 27.4℃ = 6,872
[6,872 (2.16% / 2.16%)] [295,110 / 29,295 (92.94)]
27.5℃ - 28.4℃ 27.5℃ - 28.4℃ = 5,412
[5,412 (1.70% / 1.70%)] [300,522 / 22,423 (94.64)]
28.5℃ - 29.4℃ 28.5℃ - 29.4℃ = 4,347
[4,347 (1.37% / 1.37%)] [304,869 / 17,011 (96.01)]
29.5℃ - 30.4℃ 29.5℃ - 30.4℃ = 3,530
[3,530 (1.11% / 1.11%)] [308,399 / 12,664 (97.12)]
30.5℃ - 31.4℃ 30.5℃ - 31.4℃ = 2,885
[2,885 (0.91% / 0.91%)] [311,284 / 9,134 (98.03)]
31.5℃ - 32.4℃ 31.5℃ - 32.4℃ = 2,437
[2,437 (0.77% / 0.77%)] [313,721 / 6,249 (98.80)]
32.5℃ - 33.4℃ 32.5℃ - 33.4℃ = 1,660
[1,660 (0.52% / 0.52%)] [315,381 / 3,812 (99.32)]
33.5℃ - 34.4℃ 33.5℃ - 34.4℃ = 1,160
[1,160 (0.37% / 0.37%)] [316,541 / 2,152 (99.69)]
34.5℃ - 35.4℃ 34.5℃ - 35.4℃ = 576
[576 (0.18% / 0.18%)] [317,117 / 992 (99.87)]
35.5℃ - 36.4℃ 35.5℃ - 36.4℃ = 286
[286 (0.09% / 0.09%)] [317,403 / 416 (99.96)]
36.5℃ - 37.4℃ 36.5℃ - 37.4℃ = 87
[87 (0.03% / 0.03%)] [317,490 / 130 (99.99)]
37.5℃ - 38.4℃ 37.5℃ - 38.4℃ = 32
[32 (0.01% / 0.01%)] [317,522 / 43 (100.00)]
38.5℃ - 39.4℃ 38.5℃ - 39.4℃ = 11
[11 (0.00% / 0.00%)] [317,533 / 11 (100.00)]

欠測回数 (227 / 0.07%)

日照時間

0.0h 0.0h = 226,076
[226,076 (71.15% / 71.21%)] [226,076 / 317,480 (71.21)]
0.1h 0.1h = 6,469
[6,469 (2.04% / 2.04%)] [232,545 / 91,404 (73.25)]
0.2h 0.2h = 5,143
[5,143 (1.62% / 1.62%)] [237,688 / 84,935 (74.87)]
0.3h 0.3h = 4,431
[4,431 (1.39% / 1.40%)] [242,119 / 79,792 (76.26)]
0.4h 0.4h = 4,122
[4,122 (1.30% / 1.30%)] [246,241 / 75,361 (77.56)]
0.5h 0.5h = 3,993
[3,993 (1.26% / 1.26%)] [250,234 / 71,239 (78.82)]
0.6h 0.6h = 3,976
[3,976 (1.25% / 1.25%)] [254,210 / 67,246 (80.07)]
0.7h 0.7h = 4,219
[4,219 (1.33% / 1.33%)] [258,429 / 63,270 (81.40)]
0.8h 0.8h = 4,861
[4,861 (1.53% / 1.53%)] [263,290 / 59,051 (82.93)]
0.9h 0.9h = 6,386
[6,386 (2.01% / 2.01%)] [269,676 / 54,190 (84.94)]
1.0h 1.0h = 47,804
[47,804 (15.04% / 15.06%)] [317,480 / 47,804 (100.00)]

欠測回数 (280 / 0.09%)