Station Number 44263
Prefecture Tokyo [ Local Portal ]
Location 東京都八丈島八丈町大賀郷  (HACHIJOJIMA HACHIJO MACHI, TOKYO TO)
Months of Observations 157
Number of Observations 114,054
Period of Observations
Period Name Lat. Long. Height Anemometer
2003/08/28 -- 2003/12/02 HACHIJOJIMA 33.122N 139.778E 151m 13.6m
2003/12/03 -- 2005/05/16 HACHIJOJIMA 33.122N 139.778E 151m 18.8m
2005/05/17 -- 2016/08/99 HACHIJOJIMA 33.122N 139.778E 151m 18.1m
Real-time Data AMeRAS (AMeDAS Ranking Service)
Past Heavy Rain Data AMeDAS heavy rain
Weather Disaster Reports
Typhoon History
Neighbor Stations
Number Name Distance Azimuth
44262 YAEMIGAHARA (Tokyo) 1.01km 139deg.
44261 HACHIJOJIMA (Tokyo) 2.16km 167deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 100,279
[100,279 (87.92% / 88.06%)] [100,279 / 113,872 (88.06%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 6,171
[6,171 (5.41% / 5.42%)] [106,450 / 13,593 (93.48%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 2,424
[2,424 (2.13% / 2.13%)] [108,874 / 7,422 (95.61%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 1,434
[1,434 (1.26% / 1.26%)] [110,308 / 4,998 (96.87%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 850
[850 (0.75% / 0.75%)] [111,158 / 3,564 (97.62%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 627
[627 (0.55% / 0.55%)] [111,785 / 2,714 (98.17%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 419
[419 (0.37% / 0.37%)] [112,204 / 2,087 (98.54%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 349
[349 (0.31% / 0.31%)] [112,553 / 1,668 (98.84%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 277
[277 (0.24% / 0.24%)] [112,830 / 1,319 (99.08%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 173
[173 (0.15% / 0.15%)] [113,003 / 1,042 (99.24%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 132
[132 (0.12% / 0.12%)] [113,135 / 869 (99.35%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 127
[127 (0.11% / 0.11%)] [113,262 / 737 (99.46%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 86
[86 (0.08% / 0.08%)] [113,348 / 610 (99.54%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 83
[83 (0.07% / 0.07%)] [113,431 / 524 (99.61%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 58
[58 (0.05% / 0.05%)] [113,489 / 441 (99.66%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 54
[54 (0.05% / 0.05%)] [113,543 / 383 (99.71%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 44
[44 (0.04% / 0.04%)] [113,587 / 329 (99.75%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 23
[23 (0.02% / 0.02%)] [113,610 / 285 (99.77%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 39
[39 (0.03% / 0.03%)] [113,649 / 262 (99.80%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 26
[26 (0.02% / 0.02%)] [113,675 / 223 (99.83%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 26
[26 (0.02% / 0.02%)] [113,701 / 197 (99.85%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 23
[23 (0.02% / 0.02%)] [113,724 / 171 (99.87%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 18
[18 (0.02% / 0.02%)] [113,742 / 148 (99.89%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 13
[13 (0.01% / 0.01%)] [113,755 / 130 (99.90%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 13
[13 (0.01% / 0.01%)] [113,768 / 117 (99.91%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 18
[18 (0.02% / 0.02%)] [113,786 / 104 (99.92%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 10
[10 (0.01% / 0.01%)] [113,796 / 86 (99.93%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 7
[7 (0.01% / 0.01%)] [113,803 / 76 (99.94%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 5
[5 (0.00% / 0.00%)] [113,808 / 69 (99.94%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 10
[10 (0.01% / 0.01%)] [113,818 / 64 (99.95%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 6
[6 (0.01% / 0.01%)] [113,824 / 54 (99.96%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 8
[8 (0.01% / 0.01%)] [113,832 / 48 (99.96%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 6
[6 (0.01% / 0.01%)] [113,838 / 40 (99.97%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 3
[3 (0.00% / 0.00%)] [113,841 / 34 (99.97%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 4
[4 (0.00% / 0.00%)] [113,845 / 31 (99.98%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 2
[2 (0.00% / 0.00%)] [113,847 / 27 (99.98%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 2
[2 (0.00% / 0.00%)] [113,849 / 25 (99.98%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 1
[1 (0.00% / 0.00%)] [113,850 / 23 (99.98%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 4
[4 (0.00% / 0.00%)] [113,854 / 22 (99.98%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [113,855 / 18 (99.99%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [113,856 / 17 (99.99%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 3
[3 (0.00% / 0.00%)] [113,859 / 16 (99.99%)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 1
[1 (0.00% / 0.00%)] [113,860 / 13 (99.99%)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [113,861 / 12 (99.99%)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 2
[2 (0.00% / 0.00%)] [113,863 / 11 (99.99%)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [113,864 / 9 (99.99%)]
50.5mm - 51.4mm 50.5mm - 51.4mm = 1
[1 (0.00% / 0.00%)] [113,865 / 8 (99.99%)]
53.5mm - 54.4mm 53.5mm - 54.4mm = 1
[1 (0.00% / 0.00%)] [113,866 / 7 (99.99%)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 1
[1 (0.00% / 0.00%)] [113,867 / 6 (100.00%)]
68.5mm - 69.4mm 68.5mm - 69.4mm = 2
[2 (0.00% / 0.00%)] [113,869 / 5 (100.00%)]
74.5mm - 75.4mm 74.5mm - 75.4mm = 1
[1 (0.00% / 0.00%)] [113,870 / 3 (100.00%)]
83.5mm - 84.4mm 83.5mm - 84.4mm = 1
[1 (0.00% / 0.00%)] [113,871 / 2 (100.00%)]
90.5mm - 91.4mm 90.5mm - 91.4mm = 1
[1 (0.00% / 0.00%)] [113,872 / 1 (100.00%)]

Missing observations (182 / 0.16%)

Wind Direction

Calm Calm = 97
[97 (0.09% / 0.09%)] [0 / 0 (NA)]
NNE NNE = 2,898
[2,898 (2.54% / 2.54%)] [0 / 0 (NA)]
NE NE = 11,522
[11,522 (10.10% / 10.11%)] [0 / 0 (NA)]
ENE ENE = 15,646
[15,646 (13.72% / 13.73%)] [0 / 0 (NA)]
E E = 7,033
[7,033 (6.17% / 6.17%)] [0 / 0 (NA)]
ESE ESE = 2,266
[2,266 (1.99% / 1.99%)] [0 / 0 (NA)]
SE SE = 1,193
[1,193 (1.05% / 1.05%)] [0 / 0 (NA)]
SSE SSE = 1,913
[1,913 (1.68% / 1.68%)] [0 / 0 (NA)]
S S = 4,573
[4,573 (4.01% / 4.01%)] [0 / 0 (NA)]
SSW SSW = 9,643
[9,643 (8.45% / 8.46%)] [0 / 0 (NA)]
SW SW = 14,440
[14,440 (12.66% / 12.68%)] [0 / 0 (NA)]
WSW WSW = 9,778
[9,778 (8.57% / 8.58%)] [0 / 0 (NA)]
W W = 21,385
[21,385 (18.75% / 18.77%)] [0 / 0 (NA)]
WNW WNW = 8,134
[8,134 (7.13% / 7.14%)] [0 / 0 (NA)]
NW NW = 1,581
[1,581 (1.39% / 1.39%)] [0 / 0 (NA)]
NNW NNW = 797
[797 (0.70% / 0.70%)] [0 / 0 (NA)]
N N = 1,020
[1,020 (0.89% / 0.90%)] [0 / 0 (NA)]

Missing observations (135 / 0.12%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 190
[190 (0.17% / 0.17%)] [190 / 113,919 (0.17%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 7,886
[7,886 (6.91% / 6.92%)] [8,076 / 113,729 (7.09%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 13,879
[13,879 (12.17% / 12.18%)] [21,955 / 105,843 (19.27%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 16,502
[16,502 (14.47% / 14.49%)] [38,457 / 91,964 (33.76%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 17,705
[17,705 (15.52% / 15.54%)] [56,162 / 75,462 (49.30%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 16,542
[16,542 (14.50% / 14.52%)] [72,704 / 57,757 (63.82%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 13,593
[13,593 (11.92% / 11.93%)] [86,297 / 41,215 (75.75%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 9,915
[9,915 (8.69% / 8.70%)] [96,212 / 27,622 (84.46%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 6,954
[6,954 (6.10% / 6.10%)] [103,166 / 17,707 (90.56%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 4,278
[4,278 (3.75% / 3.76%)] [107,444 / 10,753 (94.32%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 2,656
[2,656 (2.33% / 2.33%)] [110,100 / 6,475 (96.65%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 1,591
[1,591 (1.39% / 1.40%)] [111,691 / 3,819 (98.04%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 907
[907 (0.80% / 0.80%)] [112,598 / 2,228 (98.84%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 532
[532 (0.47% / 0.47%)] [113,130 / 1,321 (99.31%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 334
[334 (0.29% / 0.29%)] [113,464 / 789 (99.60%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 218
[218 (0.19% / 0.19%)] [113,682 / 455 (99.79%)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 104
[104 (0.09% / 0.09%)] [113,786 / 237 (99.88%)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 65
[65 (0.06% / 0.06%)] [113,851 / 133 (99.94%)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 35
[35 (0.03% / 0.03%)] [113,886 / 68 (99.97%)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 13
[13 (0.01% / 0.01%)] [113,899 / 33 (99.98%)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 9
[9 (0.01% / 0.01%)] [113,908 / 20 (99.99%)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 2
[2 (0.00% / 0.00%)] [113,910 / 11 (99.99%)]
22.5m/s - 23.4m/s 22.5m/s - 23.4m/s = 2
[2 (0.00% / 0.00%)] [113,912 / 9 (99.99%)]
23.5m/s - 24.4m/s 23.5m/s - 24.4m/s = 2
[2 (0.00% / 0.00%)] [113,914 / 7 (100.00%)]
24.5m/s - 25.4m/s 24.5m/s - 25.4m/s = 1
[1 (0.00% / 0.00%)] [113,915 / 5 (100.00%)]
25.5m/s - 26.4m/s 25.5m/s - 26.4m/s = 3
[3 (0.00% / 0.00%)] [113,918 / 4 (100.00%)]
29.5m/s - 30.4m/s 29.5m/s - 30.4m/s = 1
[1 (0.00% / 0.00%)] [113,919 / 1 (100.00%)]

Missing observations (135 / 0.12%)

Temperature

-0.5C - 0.4C -0.5C - 0.4C = 1
[1 (0.00% / 0.00%)] [1 / 113,982 (0.00%)]
0.5C - 1.4C 0.5C - 1.4C = 6
[6 (0.01% / 0.01%)] [7 / 113,981 (0.01%)]
1.5C - 2.4C 1.5C - 2.4C = 26
[26 (0.02% / 0.02%)] [33 / 113,975 (0.03%)]
2.5C - 3.4C 2.5C - 3.4C = 74
[74 (0.06% / 0.06%)] [107 / 113,949 (0.09%)]
3.5C - 4.4C 3.5C - 4.4C = 150
[150 (0.13% / 0.13%)] [257 / 113,875 (0.23%)]
4.5C - 5.4C 4.5C - 5.4C = 578
[578 (0.51% / 0.51%)] [835 / 113,725 (0.73%)]
5.5C - 6.4C 5.5C - 6.4C = 1,300
[1,300 (1.14% / 1.14%)] [2,135 / 113,147 (1.87%)]
6.5C - 7.4C 6.5C - 7.4C = 2,433
[2,433 (2.13% / 2.13%)] [4,568 / 111,847 (4.01%)]
7.5C - 8.4C 7.5C - 8.4C = 3,517
[3,517 (3.08% / 3.09%)] [8,085 / 109,414 (7.09%)]
8.5C - 9.4C 8.5C - 9.4C = 4,406
[4,406 (3.86% / 3.87%)] [12,491 / 105,897 (10.96%)]
9.5C - 10.4C 9.5C - 10.4C = 4,558
[4,558 (4.00% / 4.00%)] [17,049 / 101,491 (14.96%)]
10.5C - 11.4C 10.5C - 11.4C = 4,369
[4,369 (3.83% / 3.83%)] [21,418 / 96,933 (18.79%)]
11.5C - 12.4C 11.5C - 12.4C = 4,487
[4,487 (3.93% / 3.94%)] [25,905 / 92,564 (22.73%)]
12.5C - 13.4C 12.5C - 13.4C = 4,700
[4,700 (4.12% / 4.12%)] [30,605 / 88,077 (26.85%)]
13.5C - 14.4C 13.5C - 14.4C = 5,028
[5,028 (4.41% / 4.41%)] [35,633 / 83,377 (31.26%)]
14.5C - 15.4C 14.5C - 15.4C = 5,137
[5,137 (4.50% / 4.51%)] [40,770 / 78,349 (35.77%)]
15.5C - 16.4C 15.5C - 16.4C = 5,344
[5,344 (4.69% / 4.69%)] [46,114 / 73,212 (40.46%)]
16.5C - 17.4C 16.5C - 17.4C = 5,487
[5,487 (4.81% / 4.81%)] [51,601 / 67,868 (45.27%)]
17.5C - 18.4C 17.5C - 18.4C = 6,095
[6,095 (5.34% / 5.35%)] [57,696 / 62,381 (50.62%)]
18.5C - 19.4C 18.5C - 19.4C = 6,175
[6,175 (5.41% / 5.42%)] [63,871 / 56,286 (56.04%)]
19.5C - 20.4C 19.5C - 20.4C = 5,921
[5,921 (5.19% / 5.19%)] [69,792 / 50,111 (61.23%)]
20.5C - 21.4C 20.5C - 21.4C = 5,897
[5,897 (5.17% / 5.17%)] [75,689 / 44,190 (66.40%)]
21.5C - 22.4C 21.5C - 22.4C = 5,917
[5,917 (5.19% / 5.19%)] [81,606 / 38,293 (71.60%)]
22.5C - 23.4C 22.5C - 23.4C = 5,536
[5,536 (4.85% / 4.86%)] [87,142 / 32,376 (76.45%)]
23.5C - 24.4C 23.5C - 24.4C = 5,771
[5,771 (5.06% / 5.06%)] [92,913 / 26,840 (81.52%)]
24.5C - 25.4C 24.5C - 25.4C = 6,516
[6,516 (5.71% / 5.72%)] [99,429 / 21,069 (87.23%)]
25.5C - 26.4C 25.5C - 26.4C = 5,839
[5,839 (5.12% / 5.12%)] [105,268 / 14,553 (92.35%)]
26.5C - 27.4C 26.5C - 27.4C = 3,931
[3,931 (3.45% / 3.45%)] [109,199 / 8,714 (95.80%)]
27.5C - 28.4C 27.5C - 28.4C = 2,498
[2,498 (2.19% / 2.19%)] [111,697 / 4,783 (98.00%)]
28.5C - 29.4C 28.5C - 29.4C = 1,537
[1,537 (1.35% / 1.35%)] [113,234 / 2,285 (99.34%)]
29.5C - 30.4C 29.5C - 30.4C = 559
[559 (0.49% / 0.49%)] [113,793 / 748 (99.83%)]
30.5C - 31.4C 30.5C - 31.4C = 154
[154 (0.14% / 0.14%)] [113,947 / 189 (99.97%)]
31.5C - 32.4C 31.5C - 32.4C = 35
[35 (0.03% / 0.03%)] [113,982 / 35 (100.00%)]

Missing observations (72 / 0.06%)

Sunshine Duration

0.0h 0.0h = 81,432
[81,432 (71.40% / 71.55%)] [81,432 / 113,813 (71.55%)]
0.1h 0.1h = 4,163
[4,163 (3.65% / 3.66%)] [85,595 / 32,381 (75.21%)]
0.2h 0.2h = 3,083
[3,083 (2.70% / 2.71%)] [88,678 / 28,218 (77.92%)]
0.3h 0.3h = 2,730
[2,730 (2.39% / 2.40%)] [91,408 / 25,135 (80.31%)]
0.4h 0.4h = 2,541
[2,541 (2.23% / 2.23%)] [93,949 / 22,405 (82.55%)]
0.5h 0.5h = 2,436
[2,436 (2.14% / 2.14%)] [96,385 / 19,864 (84.69%)]
0.6h 0.6h = 2,375
[2,375 (2.08% / 2.09%)] [98,760 / 17,428 (86.77%)]
0.7h 0.7h = 2,400
[2,400 (2.10% / 2.11%)] [101,160 / 15,053 (88.88%)]
0.8h 0.8h = 2,440
[2,440 (2.14% / 2.14%)] [103,600 / 12,653 (91.03%)]
0.9h 0.9h = 2,854
[2,854 (2.50% / 2.51%)] [106,454 / 10,213 (93.53%)]
1.0h 1.0h = 7,359
[7,359 (6.45% / 6.47%)] [113,813 / 7,359 (100.00%)]

Missing observations (241 / 0.21%)