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 383
観測回数 279,792
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 〜 2015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 = 259,762
[259,762 (92.84% / 92.97%)] [259,762 / 279,414 (92.97%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 10,199
[10,199 (3.65% / 3.65%)] [269,961 / 19,652 (96.62%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 3,755
[3,755 (1.34% / 1.34%)] [273,716 / 9,453 (97.96%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 1,889
[1,889 (0.68% / 0.68%)] [275,605 / 5,698 (98.64%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,151
[1,151 (0.41% / 0.41%)] [276,756 / 3,809 (99.05%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 683
[683 (0.24% / 0.24%)] [277,439 / 2,658 (99.29%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 461
[461 (0.16% / 0.16%)] [277,900 / 1,975 (99.46%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 315
[315 (0.11% / 0.11%)] [278,215 / 1,514 (99.57%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 240
[240 (0.09% / 0.09%)] [278,455 / 1,199 (99.66%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 186
[186 (0.07% / 0.07%)] [278,641 / 959 (99.72%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 140
[140 (0.05% / 0.05%)] [278,781 / 773 (99.77%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 95
[95 (0.03% / 0.03%)] [278,876 / 633 (99.81%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 79
[79 (0.03% / 0.03%)] [278,955 / 538 (99.84%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 59
[59 (0.02% / 0.02%)] [279,014 / 459 (99.86%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 59
[59 (0.02% / 0.02%)] [279,073 / 400 (99.88%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 59
[59 (0.02% / 0.02%)] [279,132 / 341 (99.90%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 32
[32 (0.01% / 0.01%)] [279,164 / 282 (99.91%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 29
[29 (0.01% / 0.01%)] [279,193 / 250 (99.92%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 27
[27 (0.01% / 0.01%)] [279,220 / 221 (99.93%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 24
[24 (0.01% / 0.01%)] [279,244 / 194 (99.94%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 16
[16 (0.01% / 0.01%)] [279,260 / 170 (99.94%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 14
[14 (0.01% / 0.01%)] [279,274 / 154 (99.95%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 18
[18 (0.01% / 0.01%)] [279,292 / 140 (99.96%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 16
[16 (0.01% / 0.01%)] [279,308 / 122 (99.96%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 11
[11 (0.00% / 0.00%)] [279,319 / 106 (99.97%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 10
[10 (0.00% / 0.00%)] [279,329 / 95 (99.97%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 7
[7 (0.00% / 0.00%)] [279,336 / 85 (99.97%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 6
[6 (0.00% / 0.00%)] [279,342 / 78 (99.97%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 9
[9 (0.00% / 0.00%)] [279,351 / 72 (99.98%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 2
[2 (0.00% / 0.00%)] [279,353 / 63 (99.98%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 9
[9 (0.00% / 0.00%)] [279,362 / 61 (99.98%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 7
[7 (0.00% / 0.00%)] [279,369 / 52 (99.98%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 2
[2 (0.00% / 0.00%)] [279,371 / 45 (99.98%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 5
[5 (0.00% / 0.00%)] [279,376 / 43 (99.99%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 3
[3 (0.00% / 0.00%)] [279,379 / 38 (99.99%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 2
[2 (0.00% / 0.00%)] [279,381 / 35 (99.99%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 6
[6 (0.00% / 0.00%)] [279,387 / 33 (99.99%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 3
[3 (0.00% / 0.00%)] [279,390 / 27 (99.99%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 4
[4 (0.00% / 0.00%)] [279,394 / 24 (99.99%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 2
[2 (0.00% / 0.00%)] [279,396 / 20 (99.99%)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 1
[1 (0.00% / 0.00%)] [279,397 / 18 (99.99%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 2
[2 (0.00% / 0.00%)] [279,399 / 17 (99.99%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 2
[2 (0.00% / 0.00%)] [279,401 / 15 (100.00%)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 1
[1 (0.00% / 0.00%)] [279,402 / 13 (100.00%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 3
[3 (0.00% / 0.00%)] [279,405 / 12 (100.00%)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 3
[3 (0.00% / 0.00%)] [279,408 / 9 (100.00%)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 2
[2 (0.00% / 0.00%)] [279,410 / 6 (100.00%)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [279,411 / 4 (100.00%)]
57.5mm - 58.4mm 57.5mm - 58.4mm = 1
[1 (0.00% / 0.00%)] [279,412 / 3 (100.00%)]
60.5mm - 61.4mm 60.5mm - 61.4mm = 1
[1 (0.00% / 0.00%)] [279,413 / 2 (100.00%)]
61.5mm - 62.4mm 61.5mm - 62.4mm = 1
[1 (0.00% / 0.00%)] [279,414 / 1 (100.00%)]

欠測回数 (378 / 0.14%)

風向

静穏 静穏 = 15,521
[15,521 (5.55% / 5.60%)] [0 / 0 (NA)]
北北東 北北東 = 21,789
[21,789 (7.79% / 7.86%)] [0 / 0 (NA)]
北東 北東 = 9,498
[9,498 (3.39% / 3.43%)] [0 / 0 (NA)]
東北東 東北東 = 7,851
[7,851 (2.81% / 2.83%)] [0 / 0 (NA)]
東 = 9,060
[9,060 (3.24% / 3.27%)] [0 / 0 (NA)]
東南東 東南東 = 10,205
[10,205 (3.65% / 3.68%)] [0 / 0 (NA)]
南東 南東 = 14,230
[14,230 (5.09% / 5.13%)] [0 / 0 (NA)]
南南東 南南東 = 23,223
[23,223 (8.30% / 8.38%)] [0 / 0 (NA)]
南 = 18,934
[18,934 (6.77% / 6.83%)] [0 / 0 (NA)]
南南西 南南西 = 6,705
[6,705 (2.40% / 2.42%)] [0 / 0 (NA)]
南西 南西 = 6,598
[6,598 (2.36% / 2.38%)] [0 / 0 (NA)]
西南西 西南西 = 4,925
[4,925 (1.76% / 1.78%)] [0 / 0 (NA)]
西 西 = 10,692
[10,692 (3.82% / 3.86%)] [0 / 0 (NA)]
西北西 西北西 = 25,347
[25,347 (9.06% / 9.14%)] [0 / 0 (NA)]
北西 北西 = 30,149
[30,149 (10.78% / 10.88%)] [0 / 0 (NA)]
北北西 北北西 = 23,979
[23,979 (8.57% / 8.65%)] [0 / 0 (NA)]
北 = 38,501
[38,501 (13.76% / 13.89%)] [0 / 0 (NA)]

欠測回数 (2,585 / 0.92%)

風速

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 17,071
[17,071 (6.10% / 6.11%)] [17,071 / 279,611 (6.11%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 65,796
[65,796 (23.52% / 23.53%)] [82,867 / 262,540 (29.64%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 75,893
[75,893 (27.12% / 27.14%)] [158,760 / 196,744 (56.78%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 48,744
[48,744 (17.42% / 17.43%)] [207,504 / 120,851 (74.21%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 27,028
[27,028 (9.66% / 9.67%)] [234,532 / 72,107 (83.88%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 16,876
[16,876 (6.03% / 6.04%)] [251,408 / 45,079 (89.91%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 11,114
[11,114 (3.97% / 3.97%)] [262,522 / 28,203 (93.89%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 7,188
[7,188 (2.57% / 2.57%)] [269,710 / 17,089 (96.46%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 4,456
[4,456 (1.59% / 1.59%)] [274,166 / 9,901 (98.05%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 2,660
[2,660 (0.95% / 0.95%)] [276,826 / 5,445 (99.00%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 1,444
[1,444 (0.52% / 0.52%)] [278,270 / 2,785 (99.52%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 679
[679 (0.24% / 0.24%)] [278,949 / 1,341 (99.76%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 334
[334 (0.12% / 0.12%)] [279,283 / 662 (99.88%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 154
[154 (0.06% / 0.06%)] [279,437 / 328 (99.94%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 78
[78 (0.03% / 0.03%)] [279,515 / 174 (99.97%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 38
[38 (0.01% / 0.01%)] [279,553 / 96 (99.98%)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 19
[19 (0.01% / 0.01%)] [279,572 / 58 (99.99%)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 14
[14 (0.01% / 0.01%)] [279,586 / 39 (99.99%)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 15
[15 (0.01% / 0.01%)] [279,601 / 25 (100.00%)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 4
[4 (0.00% / 0.00%)] [279,605 / 10 (100.00%)]
20.5m/s - 21.4m/s 20.5m/s - 21.4m/s = 3
[3 (0.00% / 0.00%)] [279,608 / 6 (100.00%)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 3
[3 (0.00% / 0.00%)] [279,611 / 3 (100.00%)]

欠測回数 (181 / 0.06%)

気温

-8.5℃ - -7.6℃ -8.5℃ - -7.6℃ = 3
[3 (0.00% / 0.00%)] [3 / 279,544 (0.00%)]
-7.5℃ - -6.6℃ -7.5℃ - -6.6℃ = 12
[12 (0.00% / 0.00%)] [15 / 279,541 (0.01%)]
-6.5℃ - -5.6℃ -6.5℃ - -5.6℃ = 40
[40 (0.01% / 0.01%)] [55 / 279,529 (0.02%)]
-5.5℃ - -4.6℃ -5.5℃ - -4.6℃ = 210
[210 (0.08% / 0.08%)] [265 / 279,489 (0.09%)]
-4.5℃ - -3.6℃ -4.5℃ - -3.6℃ = 582
[582 (0.21% / 0.21%)] [847 / 279,279 (0.30%)]
-3.5℃ - -2.6℃ -3.5℃ - -2.6℃ = 1,154
[1,154 (0.41% / 0.41%)] [2,001 / 278,697 (0.72%)]
-2.5℃ - -1.6℃ -2.5℃ - -1.6℃ = 2,187
[2,187 (0.78% / 0.78%)] [4,188 / 277,543 (1.50%)]
-1.5℃ - -0.6℃ -1.5℃ - -0.6℃ = 3,274
[3,274 (1.17% / 1.17%)] [7,462 / 275,356 (2.67%)]
-0.5℃ - 0.4℃ -0.5℃ - 0.4℃ = 9,634
[9,634 (3.44% / 3.45%)] [17,096 / 272,082 (6.12%)]
0.5℃ - 1.4℃ 0.5℃ - 1.4℃ = 6,538
[6,538 (2.34% / 2.34%)] [23,634 / 262,448 (8.45%)]
1.5℃ - 2.4℃ 1.5℃ - 2.4℃ = 6,702
[6,702 (2.40% / 2.40%)] [30,336 / 255,910 (10.85%)]
2.5℃ - 3.4℃ 2.5℃ - 3.4℃ = 7,490
[7,490 (2.68% / 2.68%)] [37,826 / 249,208 (13.53%)]
3.5℃ - 4.4℃ 3.5℃ - 4.4℃ = 7,968
[7,968 (2.85% / 2.85%)] [45,794 / 241,718 (16.38%)]
4.5℃ - 5.4℃ 4.5℃ - 5.4℃ = 8,715
[8,715 (3.11% / 3.12%)] [54,509 / 233,750 (19.50%)]
5.5℃ - 6.4℃ 5.5℃ - 6.4℃ = 9,026
[9,026 (3.23% / 3.23%)] [63,535 / 225,035 (22.73%)]
6.5℃ - 7.4℃ 6.5℃ - 7.4℃ = 9,299
[9,299 (3.32% / 3.33%)] [72,834 / 216,009 (26.05%)]
7.5℃ - 8.4℃ 7.5℃ - 8.4℃ = 9,381
[9,381 (3.35% / 3.36%)] [82,215 / 206,710 (29.41%)]
8.5℃ - 9.4℃ 8.5℃ - 9.4℃ = 9,145
[9,145 (3.27% / 3.27%)] [91,360 / 197,329 (32.68%)]
9.5℃ - 10.4℃ 9.5℃ - 10.4℃ = 8,949
[8,949 (3.20% / 3.20%)] [100,309 / 188,184 (35.88%)]
10.5℃ - 11.4℃ 10.5℃ - 11.4℃ = 8,679
[8,679 (3.10% / 3.10%)] [108,988 / 179,235 (38.99%)]
11.5℃ - 12.4℃ 11.5℃ - 12.4℃ = 8,601
[8,601 (3.07% / 3.08%)] [117,589 / 170,556 (42.06%)]
12.5℃ - 13.4℃ 12.5℃ - 13.4℃ = 8,832
[8,832 (3.16% / 3.16%)] [126,421 / 161,955 (45.22%)]
13.5℃ - 14.4℃ 13.5℃ - 14.4℃ = 8,885
[8,885 (3.18% / 3.18%)] [135,306 / 153,123 (48.40%)]
14.5℃ - 15.4℃ 14.5℃ - 15.4℃ = 9,497
[9,497 (3.39% / 3.40%)] [144,803 / 144,238 (51.80%)]
15.5℃ - 16.4℃ 15.5℃ - 16.4℃ = 9,718
[9,718 (3.47% / 3.48%)] [154,521 / 134,741 (55.28%)]
16.5℃ - 17.4℃ 16.5℃ - 17.4℃ = 10,073
[10,073 (3.60% / 3.60%)] [164,594 / 125,023 (58.88%)]
17.5℃ - 18.4℃ 17.5℃ - 18.4℃ = 10,392
[10,392 (3.71% / 3.72%)] [174,986 / 114,950 (62.60%)]
18.5℃ - 19.4℃ 18.5℃ - 19.4℃ = 10,484
[10,484 (3.75% / 3.75%)] [185,470 / 104,558 (66.35%)]
19.5℃ - 20.4℃ 19.5℃ - 20.4℃ = 10,768
[10,768 (3.85% / 3.85%)] [196,238 / 94,074 (70.20%)]
20.5℃ - 21.4℃ 20.5℃ - 21.4℃ = 10,893
[10,893 (3.89% / 3.90%)] [207,131 / 83,306 (74.10%)]
21.5℃ - 22.4℃ 21.5℃ - 22.4℃ = 10,385
[10,385 (3.71% / 3.71%)] [217,516 / 72,413 (77.81%)]
22.5℃ - 23.4℃ 22.5℃ - 23.4℃ = 10,159
[10,159 (3.63% / 3.63%)] [227,675 / 62,028 (81.45%)]
23.5℃ - 24.4℃ 23.5℃ - 24.4℃ = 10,092
[10,092 (3.61% / 3.61%)] [237,767 / 51,869 (85.06%)]
24.5℃ - 25.4℃ 24.5℃ - 25.4℃ = 9,052
[9,052 (3.24% / 3.24%)] [246,819 / 41,777 (88.29%)]
25.5℃ - 26.4℃ 25.5℃ - 26.4℃ = 7,377
[7,377 (2.64% / 2.64%)] [254,196 / 32,725 (90.93%)]
26.5℃ - 27.4℃ 26.5℃ - 27.4℃ = 5,858
[5,858 (2.09% / 2.10%)] [260,054 / 25,348 (93.03%)]
27.5℃ - 28.4℃ 27.5℃ - 28.4℃ = 4,637
[4,637 (1.66% / 1.66%)] [264,691 / 19,490 (94.69%)]
28.5℃ - 29.4℃ 28.5℃ - 29.4℃ = 3,783
[3,783 (1.35% / 1.35%)] [268,474 / 14,853 (96.04%)]
29.5℃ - 30.4℃ 29.5℃ - 30.4℃ = 3,064
[3,064 (1.10% / 1.10%)] [271,538 / 11,070 (97.14%)]
30.5℃ - 31.4℃ 30.5℃ - 31.4℃ = 2,551
[2,551 (0.91% / 0.91%)] [274,089 / 8,006 (98.05%)]
31.5℃ - 32.4℃ 31.5℃ - 32.4℃ = 2,132
[2,132 (0.76% / 0.76%)] [276,221 / 5,455 (98.81%)]
32.5℃ - 33.4℃ 32.5℃ - 33.4℃ = 1,453
[1,453 (0.52% / 0.52%)] [277,674 / 3,323 (99.33%)]
33.5℃ - 34.4℃ 33.5℃ - 34.4℃ = 1,006
[1,006 (0.36% / 0.36%)] [278,680 / 1,870 (99.69%)]
34.5℃ - 35.4℃ 34.5℃ - 35.4℃ = 494
[494 (0.18% / 0.18%)] [279,174 / 864 (99.87%)]
35.5℃ - 36.4℃ 35.5℃ - 36.4℃ = 248
[248 (0.09% / 0.09%)] [279,422 / 370 (99.96%)]
36.5℃ - 37.4℃ 36.5℃ - 37.4℃ = 82
[82 (0.03% / 0.03%)] [279,504 / 122 (99.99%)]
37.5℃ - 38.4℃ 37.5℃ - 38.4℃ = 29
[29 (0.01% / 0.01%)] [279,533 / 40 (100.00%)]
38.5℃ - 39.4℃ 38.5℃ - 39.4℃ = 11
[11 (0.00% / 0.00%)] [279,544 / 11 (100.00%)]

欠測回数 (248 / 0.09%)

日照時間

0.0h 0.0h = 199,770
[199,770 (71.40% / 71.48%)] [199,770 / 279,496 (71.48%)]
0.1h 0.1h = 5,612
[5,612 (2.01% / 2.01%)] [205,382 / 79,726 (73.48%)]
0.2h 0.2h = 4,431
[4,431 (1.58% / 1.59%)] [209,813 / 74,114 (75.07%)]
0.3h 0.3h = 3,819
[3,819 (1.36% / 1.37%)] [213,632 / 69,683 (76.43%)]
0.4h 0.4h = 3,535
[3,535 (1.26% / 1.26%)] [217,167 / 65,864 (77.70%)]
0.5h 0.5h = 3,454
[3,454 (1.23% / 1.24%)] [220,621 / 62,329 (78.94%)]
0.6h 0.6h = 3,454
[3,454 (1.23% / 1.24%)] [224,075 / 58,875 (80.17%)]
0.7h 0.7h = 3,660
[3,660 (1.31% / 1.31%)] [227,735 / 55,421 (81.48%)]
0.8h 0.8h = 4,243
[4,243 (1.52% / 1.52%)] [231,978 / 51,761 (83.00%)]
0.9h 0.9h = 5,569
[5,569 (1.99% / 1.99%)] [237,547 / 47,518 (84.99%)]
1.0h 1.0h = 41,949
[41,949 (14.99% / 15.01%)] [279,496 / 41,949 (100.00%)]

欠測回数 (296 / 0.11%)