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 395
観測回数 288,576
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 〜 2016年08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 = 267,817
[267,817 (92.81% / 92.93%)] [267,817 / 288,198 (92.93%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 10,600
[10,600 (3.67% / 3.68%)] [278,417 / 20,381 (96.61%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 3,886
[3,886 (1.35% / 1.35%)] [282,303 / 9,781 (97.95%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 1,965
[1,965 (0.68% / 0.68%)] [284,268 / 5,895 (98.64%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,189
[1,189 (0.41% / 0.41%)] [285,457 / 3,930 (99.05%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 709
[709 (0.25% / 0.25%)] [286,166 / 2,741 (99.29%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 478
[478 (0.17% / 0.17%)] [286,644 / 2,032 (99.46%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 324
[324 (0.11% / 0.11%)] [286,968 / 1,554 (99.57%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 245
[245 (0.08% / 0.09%)] [287,213 / 1,230 (99.66%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 189
[189 (0.07% / 0.07%)] [287,402 / 985 (99.72%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 142
[142 (0.05% / 0.05%)] [287,544 / 796 (99.77%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 96
[96 (0.03% / 0.03%)] [287,640 / 654 (99.81%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 82
[82 (0.03% / 0.03%)] [287,722 / 558 (99.83%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 60
[60 (0.02% / 0.02%)] [287,782 / 476 (99.86%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 59
[59 (0.02% / 0.02%)] [287,841 / 416 (99.88%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 62
[62 (0.02% / 0.02%)] [287,903 / 357 (99.90%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 34
[34 (0.01% / 0.01%)] [287,937 / 295 (99.91%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 31
[31 (0.01% / 0.01%)] [287,968 / 261 (99.92%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 28
[28 (0.01% / 0.01%)] [287,996 / 230 (99.93%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 25
[25 (0.01% / 0.01%)] [288,021 / 202 (99.94%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 16
[16 (0.01% / 0.01%)] [288,037 / 177 (99.94%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 16
[16 (0.01% / 0.01%)] [288,053 / 161 (99.95%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 18
[18 (0.01% / 0.01%)] [288,071 / 145 (99.96%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 17
[17 (0.01% / 0.01%)] [288,088 / 127 (99.96%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 11
[11 (0.00% / 0.00%)] [288,099 / 110 (99.97%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 10
[10 (0.00% / 0.00%)] [288,109 / 99 (99.97%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 7
[7 (0.00% / 0.00%)] [288,116 / 89 (99.97%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 6
[6 (0.00% / 0.00%)] [288,122 / 82 (99.97%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 9
[9 (0.00% / 0.00%)] [288,131 / 76 (99.98%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 2
[2 (0.00% / 0.00%)] [288,133 / 67 (99.98%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 9
[9 (0.00% / 0.00%)] [288,142 / 65 (99.98%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 8
[8 (0.00% / 0.00%)] [288,150 / 56 (99.98%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 2
[2 (0.00% / 0.00%)] [288,152 / 48 (99.98%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 5
[5 (0.00% / 0.00%)] [288,157 / 46 (99.99%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 3
[3 (0.00% / 0.00%)] [288,160 / 41 (99.99%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 2
[2 (0.00% / 0.00%)] [288,162 / 38 (99.99%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 7
[7 (0.00% / 0.00%)] [288,169 / 36 (99.99%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 3
[3 (0.00% / 0.00%)] [288,172 / 29 (99.99%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 4
[4 (0.00% / 0.00%)] [288,176 / 26 (99.99%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 3
[3 (0.00% / 0.00%)] [288,179 / 22 (99.99%)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 1
[1 (0.00% / 0.00%)] [288,180 / 19 (99.99%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 3
[3 (0.00% / 0.00%)] [288,183 / 18 (99.99%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 2
[2 (0.00% / 0.00%)] [288,185 / 15 (100.00%)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 1
[1 (0.00% / 0.00%)] [288,186 / 13 (100.00%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 3
[3 (0.00% / 0.00%)] [288,189 / 12 (100.00%)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 3
[3 (0.00% / 0.00%)] [288,192 / 9 (100.00%)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 2
[2 (0.00% / 0.00%)] [288,194 / 6 (100.00%)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [288,195 / 4 (100.00%)]
57.5mm - 58.4mm 57.5mm - 58.4mm = 1
[1 (0.00% / 0.00%)] [288,196 / 3 (100.00%)]
60.5mm - 61.4mm 60.5mm - 61.4mm = 1
[1 (0.00% / 0.00%)] [288,197 / 2 (100.00%)]
61.5mm - 62.4mm 61.5mm - 62.4mm = 1
[1 (0.00% / 0.00%)] [288,198 / 1 (100.00%)]

欠測回数 (378 / 0.13%)

風向

静穏 静穏 = 15,643
[15,643 (5.42% / 5.47%)] [0 / 0 (NA)]
北北東 北北東 = 22,284
[22,284 (7.72% / 7.79%)] [0 / 0 (NA)]
北東 北東 = 9,814
[9,814 (3.40% / 3.43%)] [0 / 0 (NA)]
東北東 東北東 = 8,109
[8,109 (2.81% / 2.84%)] [0 / 0 (NA)]
東 = 9,369
[9,369 (3.25% / 3.28%)] [0 / 0 (NA)]
東南東 東南東 = 10,552
[10,552 (3.66% / 3.69%)] [0 / 0 (NA)]
南東 南東 = 14,652
[14,652 (5.08% / 5.12%)] [0 / 0 (NA)]
南南東 南南東 = 23,940
[23,940 (8.30% / 8.37%)] [0 / 0 (NA)]
南 = 19,606
[19,606 (6.79% / 6.86%)] [0 / 0 (NA)]
南南西 南南西 = 6,994
[6,994 (2.42% / 2.45%)] [0 / 0 (NA)]
南西 南西 = 6,807
[6,807 (2.36% / 2.38%)] [0 / 0 (NA)]
西南西 西南西 = 5,132
[5,132 (1.78% / 1.79%)] [0 / 0 (NA)]
西 西 = 11,114
[11,114 (3.85% / 3.89%)] [0 / 0 (NA)]
西北西 西北西 = 26,206
[26,206 (9.08% / 9.16%)] [0 / 0 (NA)]
北西 北西 = 31,168
[31,168 (10.80% / 10.90%)] [0 / 0 (NA)]
北北西 北北西 = 24,827
[24,827 (8.60% / 8.68%)] [0 / 0 (NA)]
北 = 39,770
[39,770 (13.78% / 13.91%)] [0 / 0 (NA)]

欠測回数 (2,589 / 0.90%)

風速

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 17,397
[17,397 (6.03% / 6.03%)] [17,397 / 288,391 (6.03%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 67,934
[67,934 (23.54% / 23.56%)] [85,331 / 270,994 (29.59%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 78,484
[78,484 (27.20% / 27.21%)] [163,815 / 203,060 (56.80%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 50,236
[50,236 (17.41% / 17.42%)] [214,051 / 124,576 (74.22%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 27,842
[27,842 (9.65% / 9.65%)] [241,893 / 74,340 (83.88%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 17,417
[17,417 (6.04% / 6.04%)] [259,310 / 46,498 (89.92%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 11,502
[11,502 (3.99% / 3.99%)] [270,812 / 29,081 (93.90%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 7,381
[7,381 (2.56% / 2.56%)] [278,193 / 17,579 (96.46%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 4,591
[4,591 (1.59% / 1.59%)] [282,784 / 10,198 (98.06%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 2,748
[2,748 (0.95% / 0.95%)] [285,532 / 5,607 (99.01%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 1,483
[1,483 (0.51% / 0.51%)] [287,015 / 2,859 (99.52%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 694
[694 (0.24% / 0.24%)] [287,709 / 1,376 (99.76%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 344
[344 (0.12% / 0.12%)] [288,053 / 682 (99.88%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 157
[157 (0.05% / 0.05%)] [288,210 / 338 (99.94%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 82
[82 (0.03% / 0.03%)] [288,292 / 181 (99.97%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 40
[40 (0.01% / 0.01%)] [288,332 / 99 (99.98%)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 19
[19 (0.01% / 0.01%)] [288,351 / 59 (99.99%)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 15
[15 (0.01% / 0.01%)] [288,366 / 40 (99.99%)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 15
[15 (0.01% / 0.01%)] [288,381 / 25 (100.00%)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 4
[4 (0.00% / 0.00%)] [288,385 / 10 (100.00%)]
20.5m/s - 21.4m/s 20.5m/s - 21.4m/s = 3
[3 (0.00% / 0.00%)] [288,388 / 6 (100.00%)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 3
[3 (0.00% / 0.00%)] [288,391 / 3 (100.00%)]

欠測回数 (185 / 0.06%)

気温

-8.5℃ - -7.6℃ -8.5℃ - -7.6℃ = 3
[3 (0.00% / 0.00%)] [3 / 288,328 (0.00%)]
-7.5℃ - -6.6℃ -7.5℃ - -6.6℃ = 12
[12 (0.00% / 0.00%)] [15 / 288,325 (0.01%)]
-6.5℃ - -5.6℃ -6.5℃ - -5.6℃ = 40
[40 (0.01% / 0.01%)] [55 / 288,313 (0.02%)]
-5.5℃ - -4.6℃ -5.5℃ - -4.6℃ = 212
[212 (0.07% / 0.07%)] [267 / 288,273 (0.09%)]
-4.5℃ - -3.6℃ -4.5℃ - -3.6℃ = 585
[585 (0.20% / 0.20%)] [852 / 288,061 (0.30%)]
-3.5℃ - -2.6℃ -3.5℃ - -2.6℃ = 1,160
[1,160 (0.40% / 0.40%)] [2,012 / 287,476 (0.70%)]
-2.5℃ - -1.6℃ -2.5℃ - -1.6℃ = 2,205
[2,205 (0.76% / 0.76%)] [4,217 / 286,316 (1.46%)]
-1.5℃ - -0.6℃ -1.5℃ - -0.6℃ = 3,338
[3,338 (1.16% / 1.16%)] [7,555 / 284,111 (2.62%)]
-0.5℃ - 0.4℃ -0.5℃ - 0.4℃ = 9,847
[9,847 (3.41% / 3.42%)] [17,402 / 280,773 (6.04%)]
0.5℃ - 1.4℃ 0.5℃ - 1.4℃ = 6,695
[6,695 (2.32% / 2.32%)] [24,097 / 270,926 (8.36%)]
1.5℃ - 2.4℃ 1.5℃ - 2.4℃ = 6,868
[6,868 (2.38% / 2.38%)] [30,965 / 264,231 (10.74%)]
2.5℃ - 3.4℃ 2.5℃ - 3.4℃ = 7,718
[7,718 (2.67% / 2.68%)] [38,683 / 257,363 (13.42%)]
3.5℃ - 4.4℃ 3.5℃ - 4.4℃ = 8,222
[8,222 (2.85% / 2.85%)] [46,905 / 249,645 (16.27%)]
4.5℃ - 5.4℃ 4.5℃ - 5.4℃ = 8,950
[8,950 (3.10% / 3.10%)] [55,855 / 241,423 (19.37%)]
5.5℃ - 6.4℃ 5.5℃ - 6.4℃ = 9,260
[9,260 (3.21% / 3.21%)] [65,115 / 232,473 (22.58%)]
6.5℃ - 7.4℃ 6.5℃ - 7.4℃ = 9,560
[9,560 (3.31% / 3.32%)] [74,675 / 223,213 (25.90%)]
7.5℃ - 8.4℃ 7.5℃ - 8.4℃ = 9,619
[9,619 (3.33% / 3.34%)] [84,294 / 213,653 (29.24%)]
8.5℃ - 9.4℃ 8.5℃ - 9.4℃ = 9,407
[9,407 (3.26% / 3.26%)] [93,701 / 204,034 (32.50%)]
9.5℃ - 10.4℃ 9.5℃ - 10.4℃ = 9,233
[9,233 (3.20% / 3.20%)] [102,934 / 194,627 (35.70%)]
10.5℃ - 11.4℃ 10.5℃ - 11.4℃ = 8,962
[8,962 (3.11% / 3.11%)] [111,896 / 185,394 (38.81%)]
11.5℃ - 12.4℃ 11.5℃ - 12.4℃ = 8,938
[8,938 (3.10% / 3.10%)] [120,834 / 176,432 (41.91%)]
12.5℃ - 13.4℃ 12.5℃ - 13.4℃ = 9,131
[9,131 (3.16% / 3.17%)] [129,965 / 167,494 (45.08%)]
13.5℃ - 14.4℃ 13.5℃ - 14.4℃ = 9,237
[9,237 (3.20% / 3.20%)] [139,202 / 158,363 (48.28%)]
14.5℃ - 15.4℃ 14.5℃ - 15.4℃ = 9,863
[9,863 (3.42% / 3.42%)] [149,065 / 149,126 (51.70%)]
15.5℃ - 16.4℃ 15.5℃ - 16.4℃ = 10,032
[10,032 (3.48% / 3.48%)] [159,097 / 139,263 (55.18%)]
16.5℃ - 17.4℃ 16.5℃ - 17.4℃ = 10,378
[10,378 (3.60% / 3.60%)] [169,475 / 129,231 (58.78%)]
17.5℃ - 18.4℃ 17.5℃ - 18.4℃ = 10,718
[10,718 (3.71% / 3.72%)] [180,193 / 118,853 (62.50%)]
18.5℃ - 19.4℃ 18.5℃ - 19.4℃ = 10,866
[10,866 (3.77% / 3.77%)] [191,059 / 108,135 (66.26%)]
19.5℃ - 20.4℃ 19.5℃ - 20.4℃ = 11,175
[11,175 (3.87% / 3.88%)] [202,234 / 97,269 (70.14%)]
20.5℃ - 21.4℃ 20.5℃ - 21.4℃ = 11,304
[11,304 (3.92% / 3.92%)] [213,538 / 86,094 (74.06%)]
21.5℃ - 22.4℃ 21.5℃ - 22.4℃ = 10,755
[10,755 (3.73% / 3.73%)] [224,293 / 74,790 (77.79%)]
22.5℃ - 23.4℃ 22.5℃ - 23.4℃ = 10,529
[10,529 (3.65% / 3.65%)] [234,822 / 64,035 (81.44%)]
23.5℃ - 24.4℃ 23.5℃ - 24.4℃ = 10,454
[10,454 (3.62% / 3.63%)] [245,276 / 53,506 (85.07%)]
24.5℃ - 25.4℃ 24.5℃ - 25.4℃ = 9,401
[9,401 (3.26% / 3.26%)] [254,677 / 43,052 (88.33%)]
25.5℃ - 26.4℃ 25.5℃ - 26.4℃ = 7,621
[7,621 (2.64% / 2.64%)] [262,298 / 33,651 (90.97%)]
26.5℃ - 27.4℃ 26.5℃ - 27.4℃ = 6,023
[6,023 (2.09% / 2.09%)] [268,321 / 26,030 (93.06%)]
27.5℃ - 28.4℃ 27.5℃ - 28.4℃ = 4,780
[4,780 (1.66% / 1.66%)] [273,101 / 20,007 (94.72%)]
28.5℃ - 29.4℃ 28.5℃ - 29.4℃ = 3,892
[3,892 (1.35% / 1.35%)] [276,993 / 15,227 (96.07%)]
29.5℃ - 30.4℃ 29.5℃ - 30.4℃ = 3,153
[3,153 (1.09% / 1.09%)] [280,146 / 11,335 (97.16%)]
30.5℃ - 31.4℃ 30.5℃ - 31.4℃ = 2,611
[2,611 (0.90% / 0.91%)] [282,757 / 8,182 (98.07%)]
31.5℃ - 32.4℃ 31.5℃ - 32.4℃ = 2,183
[2,183 (0.76% / 0.76%)] [284,940 / 5,571 (98.82%)]
32.5℃ - 33.4℃ 32.5℃ - 33.4℃ = 1,485
[1,485 (0.51% / 0.52%)] [286,425 / 3,388 (99.34%)]
33.5℃ - 34.4℃ 33.5℃ - 34.4℃ = 1,023
[1,023 (0.35% / 0.35%)] [287,448 / 1,903 (99.69%)]
34.5℃ - 35.4℃ 34.5℃ - 35.4℃ = 502
[502 (0.17% / 0.17%)] [287,950 / 880 (99.87%)]
35.5℃ - 36.4℃ 35.5℃ - 36.4℃ = 255
[255 (0.09% / 0.09%)] [288,205 / 378 (99.96%)]
36.5℃ - 37.4℃ 36.5℃ - 37.4℃ = 83
[83 (0.03% / 0.03%)] [288,288 / 123 (99.99%)]
37.5℃ - 38.4℃ 37.5℃ - 38.4℃ = 29
[29 (0.01% / 0.01%)] [288,317 / 40 (100.00%)]
38.5℃ - 39.4℃ 38.5℃ - 39.4℃ = 11
[11 (0.00% / 0.00%)] [288,328 / 11 (100.00%)]

欠測回数 (248 / 0.09%)

日照時間

0.0h 0.0h = 205,958
[205,958 (71.37% / 71.44%)] [205,958 / 288,280 (71.44%)]
0.1h 0.1h = 5,820
[5,820 (2.02% / 2.02%)] [211,778 / 82,322 (73.46%)]
0.2h 0.2h = 4,589
[4,589 (1.59% / 1.59%)] [216,367 / 76,502 (75.05%)]
0.3h 0.3h = 3,954
[3,954 (1.37% / 1.37%)] [220,321 / 71,913 (76.43%)]
0.4h 0.4h = 3,657
[3,657 (1.27% / 1.27%)] [223,978 / 67,959 (77.69%)]
0.5h 0.5h = 3,581
[3,581 (1.24% / 1.24%)] [227,559 / 64,302 (78.94%)]
0.6h 0.6h = 3,581
[3,581 (1.24% / 1.24%)] [231,140 / 60,721 (80.18%)]
0.7h 0.7h = 3,787
[3,787 (1.31% / 1.31%)] [234,927 / 57,140 (81.49%)]
0.8h 0.8h = 4,396
[4,396 (1.52% / 1.52%)] [239,323 / 53,353 (83.02%)]
0.9h 0.9h = 5,762
[5,762 (2.00% / 2.00%)] [245,085 / 48,957 (85.02%)]
1.0h 1.0h = 43,195
[43,195 (14.97% / 14.98%)] [288,280 / 43,195 (100.00%)]

欠測回数 (296 / 0.10%)