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 197
Number of Observations 143,262
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 -- 2019/12/99 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 = 125,797
[125,797 (87.81% / 87.93%)] [125,797 / 143,064 (87.93)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 7,831
[7,831 (5.47% / 5.47%)] [133,628 / 17,267 (93.40)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 3,042
[3,042 (2.12% / 2.13%)] [136,670 / 9,436 (95.53)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 1,782
[1,782 (1.24% / 1.25%)] [138,452 / 6,394 (96.78)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,070
[1,070 (0.75% / 0.75%)] [139,522 / 4,612 (97.52)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 808
[808 (0.56% / 0.56%)] [140,330 / 3,542 (98.09)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 547
[547 (0.38% / 0.38%)] [140,877 / 2,734 (98.47)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 470
[470 (0.33% / 0.33%)] [141,347 / 2,187 (98.80)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 343
[343 (0.24% / 0.24%)] [141,690 / 1,717 (99.04)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 231
[231 (0.16% / 0.16%)] [141,921 / 1,374 (99.20)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 186
[186 (0.13% / 0.13%)] [142,107 / 1,143 (99.33)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 158
[158 (0.11% / 0.11%)] [142,265 / 957 (99.44)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 110
[110 (0.08% / 0.08%)] [142,375 / 799 (99.52)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 106
[106 (0.07% / 0.07%)] [142,481 / 689 (99.59)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 69
[69 (0.05% / 0.05%)] [142,550 / 583 (99.64)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 78
[78 (0.05% / 0.05%)] [142,628 / 514 (99.70)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 59
[59 (0.04% / 0.04%)] [142,687 / 436 (99.74)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 37
[37 (0.03% / 0.03%)] [142,724 / 377 (99.76)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 47
[47 (0.03% / 0.03%)] [142,771 / 340 (99.80)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 36
[36 (0.03% / 0.03%)] [142,807 / 293 (99.82)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 35
[35 (0.02% / 0.02%)] [142,842 / 257 (99.84)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 29
[29 (0.02% / 0.02%)] [142,871 / 222 (99.87)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 20
[20 (0.01% / 0.01%)] [142,891 / 193 (99.88)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 16
[16 (0.01% / 0.01%)] [142,907 / 173 (99.89)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 21
[21 (0.01% / 0.01%)] [142,928 / 157 (99.90)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 24
[24 (0.02% / 0.02%)] [142,952 / 136 (99.92)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 11
[11 (0.01% / 0.01%)] [142,963 / 112 (99.93)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 13
[13 (0.01% / 0.01%)] [142,976 / 101 (99.94)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 6
[6 (0.00% / 0.00%)] [142,982 / 88 (99.94)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 12
[12 (0.01% / 0.01%)] [142,994 / 82 (99.95)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 6
[6 (0.00% / 0.00%)] [143,000 / 70 (99.96)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 8
[8 (0.01% / 0.01%)] [143,008 / 64 (99.96)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 8
[8 (0.01% / 0.01%)] [143,016 / 56 (99.97)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 5
[5 (0.00% / 0.00%)] [143,021 / 48 (99.97)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 4
[4 (0.00% / 0.00%)] [143,025 / 43 (99.97)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 4
[4 (0.00% / 0.00%)] [143,029 / 39 (99.98)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 3
[3 (0.00% / 0.00%)] [143,032 / 35 (99.98)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 2
[2 (0.00% / 0.00%)] [143,034 / 32 (99.98)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 4
[4 (0.00% / 0.00%)] [143,038 / 30 (99.98)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 2
[2 (0.00% / 0.00%)] [143,040 / 26 (99.98)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [143,041 / 24 (99.98)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [143,042 / 23 (99.98)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 1
[1 (0.00% / 0.00%)] [143,043 / 22 (99.99)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 3
[3 (0.00% / 0.00%)] [143,046 / 21 (99.99)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 1
[1 (0.00% / 0.00%)] [143,047 / 18 (99.99)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 2
[2 (0.00% / 0.00%)] [143,049 / 17 (99.99)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [143,050 / 15 (99.99)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [143,051 / 14 (99.99)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 2
[2 (0.00% / 0.00%)] [143,053 / 13 (99.99)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [143,054 / 11 (99.99)]
50.5mm - 51.4mm 50.5mm - 51.4mm = 1
[1 (0.00% / 0.00%)] [143,055 / 10 (99.99)]
53.5mm - 54.4mm 53.5mm - 54.4mm = 1
[1 (0.00% / 0.00%)] [143,056 / 9 (99.99)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 2
[2 (0.00% / 0.00%)] [143,058 / 8 (100.00)]
56.5mm - 57.4mm 56.5mm - 57.4mm = 1
[1 (0.00% / 0.00%)] [143,059 / 6 (100.00)]
68.5mm - 69.4mm 68.5mm - 69.4mm = 2
[2 (0.00% / 0.00%)] [143,061 / 5 (100.00)]
74.5mm - 75.4mm 74.5mm - 75.4mm = 1
[1 (0.00% / 0.00%)] [143,062 / 3 (100.00)]
83.5mm - 84.4mm 83.5mm - 84.4mm = 1
[1 (0.00% / 0.00%)] [143,063 / 2 (100.00)]
90.5mm - 91.4mm 90.5mm - 91.4mm = 1
[1 (0.00% / 0.00%)] [143,064 / 1 (100.00)]

Missing observations (198 / 0.14%)

Wind Direction

Calm Calm = 101
[101 (0.07% / 0.07%)]
NNE NNE = 3,596
[3,596 (2.51% / 2.51%)]
NE NE = 14,218
[14,218 (9.92% / 9.94%)]
ENE ENE = 19,812
[19,812 (13.83% / 13.85%)]
E E = 8,871
[8,871 (6.19% / 6.20%)]
ESE ESE = 2,859
[2,859 (2.00% / 2.00%)]
SE SE = 1,554
[1,554 (1.08% / 1.09%)]
SSE SSE = 2,433
[2,433 (1.70% / 1.70%)]
S S = 5,747
[5,747 (4.01% / 4.02%)]
SSW SSW = 11,880
[11,880 (8.29% / 8.30%)]
SW SW = 17,743
[17,743 (12.39% / 12.40%)]
WSW WSW = 12,851
[12,851 (8.97% / 8.98%)]
W W = 27,370
[27,370 (19.10% / 19.13%)]
WNW WNW = 9,806
[9,806 (6.84% / 6.85%)]
NW NW = 1,945
[1,945 (1.36% / 1.36%)]
NNW NNW = 1,030
[1,030 (0.72% / 0.72%)]
N N = 1,267
[1,267 (0.88% / 0.89%)]

Missing observations (179 / 0.12%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 216
[216 (0.15% / 0.15%)] [216 / 143,083 (0.15)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 10,055
[10,055 (7.02% / 7.03%)] [10,271 / 142,867 (7.18)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 17,703
[17,703 (12.36% / 12.37%)] [27,974 / 132,812 (19.55)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 20,997
[20,997 (14.66% / 14.67%)] [48,971 / 115,109 (34.23)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 22,477
[22,477 (15.69% / 15.71%)] [71,448 / 94,112 (49.93)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 20,882
[20,882 (14.58% / 14.59%)] [92,330 / 71,635 (64.53)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 17,024
[17,024 (11.88% / 11.90%)] [109,354 / 50,753 (76.43)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 12,298
[12,298 (8.58% / 8.60%)] [121,652 / 33,729 (85.02)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 8,524
[8,524 (5.95% / 5.96%)] [130,176 / 21,431 (90.98)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 5,137
[5,137 (3.59% / 3.59%)] [135,313 / 12,907 (94.57)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 3,239
[3,239 (2.26% / 2.26%)] [138,552 / 7,770 (96.83)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 1,893
[1,893 (1.32% / 1.32%)] [140,445 / 4,531 (98.16)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 1,093
[1,093 (0.76% / 0.76%)] [141,538 / 2,638 (98.92)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 646
[646 (0.45% / 0.45%)] [142,184 / 1,545 (99.37)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 392
[392 (0.27% / 0.27%)] [142,576 / 899 (99.65)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 249
[249 (0.17% / 0.17%)] [142,825 / 507 (99.82)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 114
[114 (0.08% / 0.08%)] [142,939 / 258 (99.90)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 72
[72 (0.05% / 0.05%)] [143,011 / 144 (99.95)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 36
[36 (0.03% / 0.03%)] [143,047 / 72 (99.97)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 16
[16 (0.01% / 0.01%)] [143,063 / 36 (99.99)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 9
[9 (0.01% / 0.01%)] [143,072 / 20 (99.99)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 2
[2 (0.00% / 0.00%)] [143,074 / 11 (99.99)]
22.5m/s - 23.4m/s 22.5m/s - 23.4m/s = 2
[2 (0.00% / 0.00%)] [143,076 / 9 (100.00)]
23.5m/s - 24.4m/s 23.5m/s - 24.4m/s = 2
[2 (0.00% / 0.00%)] [143,078 / 7 (100.00)]
24.5m/s - 25.4m/s 24.5m/s - 25.4m/s = 1
[1 (0.00% / 0.00%)] [143,079 / 5 (100.00)]
25.5m/s - 26.4m/s 25.5m/s - 26.4m/s = 3
[3 (0.00% / 0.00%)] [143,082 / 4 (100.00)]
29.5m/s - 30.4m/s 29.5m/s - 30.4m/s = 1
[1 (0.00% / 0.00%)] [143,083 / 1 (100.00)]

Missing observations (179 / 0.12%)

Temperature

-0.5C - 0.4C -0.5C - 0.4C = 1
[1 (0.00% / 0.00%)] [1 / 143,185 (0.00)]
0.5C - 1.4C 0.5C - 1.4C = 8
[8 (0.01% / 0.01%)] [9 / 143,184 (0.01)]
1.5C - 2.4C 1.5C - 2.4C = 33
[33 (0.02% / 0.02%)] [42 / 143,176 (0.03)]
2.5C - 3.4C 2.5C - 3.4C = 96
[96 (0.07% / 0.07%)] [138 / 143,143 (0.10)]
3.5C - 4.4C 3.5C - 4.4C = 203
[203 (0.14% / 0.14%)] [341 / 143,047 (0.24)]
4.5C - 5.4C 4.5C - 5.4C = 698
[698 (0.49% / 0.49%)] [1,039 / 142,844 (0.73)]
5.5C - 6.4C 5.5C - 6.4C = 1,552
[1,552 (1.08% / 1.08%)] [2,591 / 142,146 (1.81)]
6.5C - 7.4C 6.5C - 7.4C = 2,837
[2,837 (1.98% / 1.98%)] [5,428 / 140,594 (3.79)]
7.5C - 8.4C 7.5C - 8.4C = 4,184
[4,184 (2.92% / 2.92%)] [9,612 / 137,757 (6.71)]
8.5C - 9.4C 8.5C - 9.4C = 5,299
[5,299 (3.70% / 3.70%)] [14,911 / 133,573 (10.41)]
9.5C - 10.4C 9.5C - 10.4C = 5,691
[5,691 (3.97% / 3.97%)] [20,602 / 128,274 (14.39)]
10.5C - 11.4C 10.5C - 11.4C = 5,607
[5,607 (3.91% / 3.92%)] [26,209 / 122,583 (18.30)]
11.5C - 12.4C 11.5C - 12.4C = 5,802
[5,802 (4.05% / 4.05%)] [32,011 / 116,976 (22.36)]
12.5C - 13.4C 12.5C - 13.4C = 5,947
[5,947 (4.15% / 4.15%)] [37,958 / 111,174 (26.51)]
13.5C - 14.4C 13.5C - 14.4C = 6,204
[6,204 (4.33% / 4.33%)] [44,162 / 105,227 (30.84)]
14.5C - 15.4C 14.5C - 15.4C = 6,252
[6,252 (4.36% / 4.37%)] [50,414 / 99,023 (35.21)]
15.5C - 16.4C 15.5C - 16.4C = 6,600
[6,600 (4.61% / 4.61%)] [57,014 / 92,771 (39.82)]
16.5C - 17.4C 16.5C - 17.4C = 6,788
[6,788 (4.74% / 4.74%)] [63,802 / 86,171 (44.56)]
17.5C - 18.4C 17.5C - 18.4C = 7,582
[7,582 (5.29% / 5.30%)] [71,384 / 79,383 (49.85)]
18.5C - 19.4C 18.5C - 19.4C = 7,720
[7,720 (5.39% / 5.39%)] [79,104 / 71,801 (55.25)]
19.5C - 20.4C 19.5C - 20.4C = 7,561
[7,561 (5.28% / 5.28%)] [86,665 / 64,081 (60.53)]
20.5C - 21.4C 20.5C - 21.4C = 7,443
[7,443 (5.20% / 5.20%)] [94,108 / 56,520 (65.72)]
21.5C - 22.4C 21.5C - 22.4C = 7,411
[7,411 (5.17% / 5.18%)] [101,519 / 49,077 (70.90)]
22.5C - 23.4C 22.5C - 23.4C = 6,890
[6,890 (4.81% / 4.81%)] [108,409 / 41,666 (75.71)]
23.5C - 24.4C 23.5C - 24.4C = 7,306
[7,306 (5.10% / 5.10%)] [115,715 / 34,776 (80.82)]
24.5C - 25.4C 24.5C - 25.4C = 8,329
[8,329 (5.81% / 5.82%)] [124,044 / 27,470 (86.63)]
25.5C - 26.4C 25.5C - 26.4C = 7,585
[7,585 (5.29% / 5.30%)] [131,629 / 19,141 (91.93)]
26.5C - 27.4C 26.5C - 27.4C = 5,158
[5,158 (3.60% / 3.60%)] [136,787 / 11,556 (95.53)]
27.5C - 28.4C 27.5C - 28.4C = 3,300
[3,300 (2.30% / 2.30%)] [140,087 / 6,398 (97.84)]
28.5C - 29.4C 28.5C - 29.4C = 2,051
[2,051 (1.43% / 1.43%)] [142,138 / 3,098 (99.27)]
29.5C - 30.4C 29.5C - 30.4C = 786
[786 (0.55% / 0.55%)] [142,924 / 1,047 (99.82)]
30.5C - 31.4C 30.5C - 31.4C = 217
[217 (0.15% / 0.15%)] [143,141 / 261 (99.97)]
31.5C - 32.4C 31.5C - 32.4C = 43
[43 (0.03% / 0.03%)] [143,184 / 44 (100.00)]
32.5C - 33.4C 32.5C - 33.4C = 1
[1 (0.00% / 0.00%)] [143,185 / 1 (100.00)]

Missing observations (77 / 0.05%)

Sunshine Duration

0.0h 0.0h = 101,774
[101,774 (71.04% / 71.19%)] [101,774 / 142,958 (71.19)]
0.1h 0.1h = 5,352
[5,352 (3.74% / 3.74%)] [107,126 / 41,184 (74.94)]
0.2h 0.2h = 3,996
[3,996 (2.79% / 2.80%)] [111,122 / 35,832 (77.73)]
0.3h 0.3h = 3,400
[3,400 (2.37% / 2.38%)] [114,522 / 31,836 (80.11)]
0.4h 0.4h = 3,242
[3,242 (2.26% / 2.27%)] [117,764 / 28,436 (82.38)]
0.5h 0.5h = 3,045
[3,045 (2.13% / 2.13%)] [120,809 / 25,194 (84.51)]
0.6h 0.6h = 2,971
[2,971 (2.07% / 2.08%)] [123,780 / 22,149 (86.58)]
0.7h 0.7h = 3,069
[3,069 (2.14% / 2.15%)] [126,849 / 19,178 (88.73)]
0.8h 0.8h = 3,162
[3,162 (2.21% / 2.21%)] [130,011 / 16,109 (90.94)]
0.9h 0.9h = 3,643
[3,643 (2.54% / 2.55%)] [133,654 / 12,947 (93.49)]
1.0h 1.0h = 9,304
[9,304 (6.49% / 6.51%)] [142,958 / 9,304 (100.00)]

Missing observations (304 / 0.21%)