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 173
Number of Observations 125,742
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 -- 2017/07/99 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 = 110,550
[110,550 (87.92% / 88.05%)] [110,550 / 125,560 (88.05)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 6,813
[6,813 (5.42% / 5.43%)] [117,363 / 15,010 (93.47)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 2,644
[2,644 (2.10% / 2.11%)] [120,007 / 8,197 (95.58)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 1,570
[1,570 (1.25% / 1.25%)] [121,577 / 5,553 (96.83)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 926
[926 (0.74% / 0.74%)] [122,503 / 3,983 (97.57)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 698
[698 (0.56% / 0.56%)] [123,201 / 3,057 (98.12)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 472
[472 (0.38% / 0.38%)] [123,673 / 2,359 (98.50)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 406
[406 (0.32% / 0.32%)] [124,079 / 1,887 (98.82)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 310
[310 (0.25% / 0.25%)] [124,389 / 1,481 (99.07)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 199
[199 (0.16% / 0.16%)] [124,588 / 1,171 (99.23)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 156
[156 (0.12% / 0.12%)] [124,744 / 972 (99.35)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 145
[145 (0.12% / 0.12%)] [124,889 / 816 (99.47)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 94
[94 (0.07% / 0.07%)] [124,983 / 671 (99.54)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 90
[90 (0.07% / 0.07%)] [125,073 / 577 (99.61)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 61
[61 (0.05% / 0.05%)] [125,134 / 487 (99.66)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 61
[61 (0.05% / 0.05%)] [125,195 / 426 (99.71)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 51
[51 (0.04% / 0.04%)] [125,246 / 365 (99.75)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 27
[27 (0.02% / 0.02%)] [125,273 / 314 (99.77)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 40
[40 (0.03% / 0.03%)] [125,313 / 287 (99.80)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 29
[29 (0.02% / 0.02%)] [125,342 / 247 (99.83)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 32
[32 (0.03% / 0.03%)] [125,374 / 218 (99.85)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 24
[24 (0.02% / 0.02%)] [125,398 / 186 (99.87)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 18
[18 (0.01% / 0.01%)] [125,416 / 162 (99.89)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 15
[15 (0.01% / 0.01%)] [125,431 / 144 (99.90)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 16
[16 (0.01% / 0.01%)] [125,447 / 129 (99.91)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 18
[18 (0.01% / 0.01%)] [125,465 / 113 (99.92)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 10
[10 (0.01% / 0.01%)] [125,475 / 95 (99.93)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 11
[11 (0.01% / 0.01%)] [125,486 / 85 (99.94)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 5
[5 (0.00% / 0.00%)] [125,491 / 74 (99.95)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 11
[11 (0.01% / 0.01%)] [125,502 / 69 (99.95)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 6
[6 (0.00% / 0.00%)] [125,508 / 58 (99.96)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 8
[8 (0.01% / 0.01%)] [125,516 / 52 (99.96)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 6
[6 (0.00% / 0.00%)] [125,522 / 44 (99.97)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 4
[4 (0.00% / 0.00%)] [125,526 / 38 (99.97)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 4
[4 (0.00% / 0.00%)] [125,530 / 34 (99.98)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 2
[2 (0.00% / 0.00%)] [125,532 / 30 (99.98)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 2
[2 (0.00% / 0.00%)] [125,534 / 28 (99.98)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 1
[1 (0.00% / 0.00%)] [125,535 / 26 (99.98)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 4
[4 (0.00% / 0.00%)] [125,539 / 25 (99.98)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 1
[1 (0.00% / 0.00%)] [125,540 / 21 (99.98)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [125,541 / 20 (99.98)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [125,542 / 19 (99.99)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 3
[3 (0.00% / 0.00%)] [125,545 / 18 (99.99)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 1
[1 (0.00% / 0.00%)] [125,546 / 15 (99.99)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [125,547 / 14 (99.99)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [125,548 / 13 (99.99)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 2
[2 (0.00% / 0.00%)] [125,550 / 12 (99.99)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [125,551 / 10 (99.99)]
50.5mm - 51.4mm 50.5mm - 51.4mm = 1
[1 (0.00% / 0.00%)] [125,552 / 9 (99.99)]
53.5mm - 54.4mm 53.5mm - 54.4mm = 1
[1 (0.00% / 0.00%)] [125,553 / 8 (99.99)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 1
[1 (0.00% / 0.00%)] [125,554 / 7 (100.00)]
56.5mm - 57.4mm 56.5mm - 57.4mm = 1
[1 (0.00% / 0.00%)] [125,555 / 6 (100.00)]
68.5mm - 69.4mm 68.5mm - 69.4mm = 2
[2 (0.00% / 0.00%)] [125,557 / 5 (100.00)]
74.5mm - 75.4mm 74.5mm - 75.4mm = 1
[1 (0.00% / 0.00%)] [125,558 / 3 (100.00)]
83.5mm - 84.4mm 83.5mm - 84.4mm = 1
[1 (0.00% / 0.00%)] [125,559 / 2 (100.00)]
90.5mm - 91.4mm 90.5mm - 91.4mm = 1
[1 (0.00% / 0.00%)] [125,560 / 1 (100.00)]

Missing observations (182 / 0.14%)

Wind Direction

Calm Calm = 98
[98 (0.08% / 0.08%)]
NNE NNE = 3,155
[3,155 (2.51% / 2.51%)]
NE NE = 12,585
[12,585 (10.01% / 10.02%)]
ENE ENE = 17,294
[17,294 (13.75% / 13.77%)]
E E = 7,738
[7,738 (6.15% / 6.16%)]
ESE ESE = 2,520
[2,520 (2.00% / 2.01%)]
SE SE = 1,351
[1,351 (1.07% / 1.08%)]
SSE SSE = 2,111
[2,111 (1.68% / 1.68%)]
S S = 5,029
[5,029 (4.00% / 4.00%)]
SSW SSW = 10,584
[10,584 (8.42% / 8.43%)]
SW SW = 15,688
[15,688 (12.48% / 12.49%)]
WSW WSW = 10,881
[10,881 (8.65% / 8.66%)]
W W = 23,846
[23,846 (18.96% / 18.98%)]
WNW WNW = 8,959
[8,959 (7.12% / 7.13%)]
NW NW = 1,747
[1,747 (1.39% / 1.39%)]
NNW NNW = 898
[898 (0.71% / 0.71%)]
N N = 1,122
[1,122 (0.89% / 0.89%)]

Missing observations (136 / 0.11%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 201
[201 (0.16% / 0.16%)] [201 / 125,606 (0.16)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 8,838
[8,838 (7.03% / 7.04%)] [9,039 / 125,405 (7.20)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 15,570
[15,570 (12.38% / 12.40%)] [24,609 / 116,567 (19.59)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 18,298
[18,298 (14.55% / 14.57%)] [42,907 / 100,997 (34.16)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 19,649
[19,649 (15.63% / 15.64%)] [62,556 / 82,699 (49.80)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 18,179
[18,179 (14.46% / 14.47%)] [80,735 / 63,050 (64.28)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 14,893
[14,893 (11.84% / 11.86%)] [95,628 / 44,871 (76.13)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 10,806
[10,806 (8.59% / 8.60%)] [106,434 / 29,978 (84.74)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 7,549
[7,549 (6.00% / 6.01%)] [113,983 / 19,172 (90.75)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 4,606
[4,606 (3.66% / 3.67%)] [118,589 / 11,623 (94.41)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 2,856
[2,856 (2.27% / 2.27%)] [121,445 / 7,017 (96.69)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 1,720
[1,720 (1.37% / 1.37%)] [123,165 / 4,161 (98.06)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 1,016
[1,016 (0.81% / 0.81%)] [124,181 / 2,441 (98.87)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 597
[597 (0.47% / 0.48%)] [124,778 / 1,425 (99.34)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 361
[361 (0.29% / 0.29%)] [125,139 / 828 (99.63)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 226
[226 (0.18% / 0.18%)] [125,365 / 467 (99.81)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 106
[106 (0.08% / 0.08%)] [125,471 / 241 (99.89)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 65
[65 (0.05% / 0.05%)] [125,536 / 135 (99.94)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 36
[36 (0.03% / 0.03%)] [125,572 / 70 (99.97)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 14
[14 (0.01% / 0.01%)] [125,586 / 34 (99.98)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 9
[9 (0.01% / 0.01%)] [125,595 / 20 (99.99)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 2
[2 (0.00% / 0.00%)] [125,597 / 11 (99.99)]
22.5m/s - 23.4m/s 22.5m/s - 23.4m/s = 2
[2 (0.00% / 0.00%)] [125,599 / 9 (99.99)]
23.5m/s - 24.4m/s 23.5m/s - 24.4m/s = 2
[2 (0.00% / 0.00%)] [125,601 / 7 (100.00)]
24.5m/s - 25.4m/s 24.5m/s - 25.4m/s = 1
[1 (0.00% / 0.00%)] [125,602 / 5 (100.00)]
25.5m/s - 26.4m/s 25.5m/s - 26.4m/s = 3
[3 (0.00% / 0.00%)] [125,605 / 4 (100.00)]
29.5m/s - 30.4m/s 29.5m/s - 30.4m/s = 1
[1 (0.00% / 0.00%)] [125,606 / 1 (100.00)]

Missing observations (136 / 0.11%)

Temperature

-0.5C - 0.4C -0.5C - 0.4C = 1
[1 (0.00% / 0.00%)] [1 / 125,668 (0.00)]
0.5C - 1.4C 0.5C - 1.4C = 7
[7 (0.01% / 0.01%)] [8 / 125,667 (0.01)]
1.5C - 2.4C 1.5C - 2.4C = 30
[30 (0.02% / 0.02%)] [38 / 125,660 (0.03)]
2.5C - 3.4C 2.5C - 3.4C = 84
[84 (0.07% / 0.07%)] [122 / 125,630 (0.10)]
3.5C - 4.4C 3.5C - 4.4C = 170
[170 (0.14% / 0.14%)] [292 / 125,546 (0.23)]
4.5C - 5.4C 4.5C - 5.4C = 637
[637 (0.51% / 0.51%)] [929 / 125,376 (0.74)]
5.5C - 6.4C 5.5C - 6.4C = 1,394
[1,394 (1.11% / 1.11%)] [2,323 / 124,739 (1.85)]
6.5C - 7.4C 6.5C - 7.4C = 2,587
[2,587 (2.06% / 2.06%)] [4,910 / 123,345 (3.91)]
7.5C - 8.4C 7.5C - 8.4C = 3,870
[3,870 (3.08% / 3.08%)] [8,780 / 120,758 (6.99)]
8.5C - 9.4C 8.5C - 9.4C = 4,892
[4,892 (3.89% / 3.89%)] [13,672 / 116,888 (10.88)]
9.5C - 10.4C 9.5C - 10.4C = 5,062
[5,062 (4.03% / 4.03%)] [18,734 / 111,996 (14.91)]
10.5C - 11.4C 10.5C - 11.4C = 4,850
[4,850 (3.86% / 3.86%)] [23,584 / 106,934 (18.77)]
11.5C - 12.4C 11.5C - 12.4C = 4,988
[4,988 (3.97% / 3.97%)] [28,572 / 102,084 (22.74)]
12.5C - 13.4C 12.5C - 13.4C = 5,226
[5,226 (4.16% / 4.16%)] [33,798 / 97,096 (26.89)]
13.5C - 14.4C 13.5C - 14.4C = 5,536
[5,536 (4.40% / 4.41%)] [39,334 / 91,870 (31.30)]
14.5C - 15.4C 14.5C - 15.4C = 5,539
[5,539 (4.41% / 4.41%)] [44,873 / 86,334 (35.71)]
15.5C - 16.4C 15.5C - 16.4C = 5,794
[5,794 (4.61% / 4.61%)] [50,667 / 80,795 (40.32)]
16.5C - 17.4C 16.5C - 17.4C = 5,963
[5,963 (4.74% / 4.75%)] [56,630 / 75,001 (45.06)]
17.5C - 18.4C 17.5C - 18.4C = 6,615
[6,615 (5.26% / 5.26%)] [63,245 / 69,038 (50.33)]
18.5C - 19.4C 18.5C - 19.4C = 6,740
[6,740 (5.36% / 5.36%)] [69,985 / 62,423 (55.69)]
19.5C - 20.4C 19.5C - 20.4C = 6,603
[6,603 (5.25% / 5.25%)] [76,588 / 55,683 (60.94)]
20.5C - 21.4C 20.5C - 21.4C = 6,533
[6,533 (5.20% / 5.20%)] [83,121 / 49,080 (66.14)]
21.5C - 22.4C 21.5C - 22.4C = 6,558
[6,558 (5.22% / 5.22%)] [89,679 / 42,547 (71.36)]
22.5C - 23.4C 22.5C - 23.4C = 6,139
[6,139 (4.88% / 4.89%)] [95,818 / 35,989 (76.25)]
23.5C - 24.4C 23.5C - 24.4C = 6,438
[6,438 (5.12% / 5.12%)] [102,256 / 29,850 (81.37)]
24.5C - 25.4C 24.5C - 25.4C = 7,268
[7,268 (5.78% / 5.78%)] [109,524 / 23,412 (87.15)]
25.5C - 26.4C 25.5C - 26.4C = 6,452
[6,452 (5.13% / 5.13%)] [115,976 / 16,144 (92.29)]
26.5C - 27.4C 26.5C - 27.4C = 4,358
[4,358 (3.47% / 3.47%)] [120,334 / 9,692 (95.76)]
27.5C - 28.4C 27.5C - 28.4C = 2,795
[2,795 (2.22% / 2.22%)] [123,129 / 5,334 (97.98)]
28.5C - 29.4C 28.5C - 29.4C = 1,697
[1,697 (1.35% / 1.35%)] [124,826 / 2,539 (99.33)]
29.5C - 30.4C 29.5C - 30.4C = 634
[634 (0.50% / 0.50%)] [125,460 / 842 (99.83)]
30.5C - 31.4C 30.5C - 31.4C = 171
[171 (0.14% / 0.14%)] [125,631 / 208 (99.97)]
31.5C - 32.4C 31.5C - 32.4C = 36
[36 (0.03% / 0.03%)] [125,667 / 37 (100.00)]
32.5C - 33.4C 32.5C - 33.4C = 1
[1 (0.00% / 0.00%)] [125,668 / 1 (100.00)]

Missing observations (74 / 0.06%)

Sunshine Duration

0.0h 0.0h = 89,547
[89,547 (71.21% / 71.36%)] [89,547 / 125,495 (71.36)]
0.1h 0.1h = 4,622
[4,622 (3.68% / 3.68%)] [94,169 / 35,948 (75.04)]
0.2h 0.2h = 3,449
[3,449 (2.74% / 2.75%)] [97,618 / 31,326 (77.79)]
0.3h 0.3h = 2,981
[2,981 (2.37% / 2.38%)] [100,599 / 27,877 (80.16)]
0.4h 0.4h = 2,807
[2,807 (2.23% / 2.24%)] [103,406 / 24,896 (82.40)]
0.5h 0.5h = 2,673
[2,673 (2.13% / 2.13%)] [106,079 / 22,089 (84.53)]
0.6h 0.6h = 2,630
[2,630 (2.09% / 2.10%)] [108,709 / 19,416 (86.62)]
0.7h 0.7h = 2,660
[2,660 (2.12% / 2.12%)] [111,369 / 16,786 (88.74)]
0.8h 0.8h = 2,717
[2,717 (2.16% / 2.17%)] [114,086 / 14,126 (90.91)]
0.9h 0.9h = 3,198
[3,198 (2.54% / 2.55%)] [117,284 / 11,409 (93.46)]
1.0h 1.0h = 8,211
[8,211 (6.53% / 6.54%)] [125,495 / 8,211 (100.00)]

Missing observations (247 / 0.20%)