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 164
Number of Observations 119,142
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 -- 2017/03/99 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 = 104,693
[104,693 (87.87% / 88.01%)] [104,693 / 118,960 (88.01%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 6,481
[6,481 (5.44% / 5.45%)] [111,174 / 14,267 (93.45%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 2,527
[2,527 (2.12% / 2.12%)] [113,701 / 7,786 (95.58%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 1,503
[1,503 (1.26% / 1.26%)] [115,204 / 5,259 (96.84%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 882
[882 (0.74% / 0.74%)] [116,086 / 3,756 (97.58%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 664
[664 (0.56% / 0.56%)] [116,750 / 2,874 (98.14%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 457
[457 (0.38% / 0.38%)] [117,207 / 2,210 (98.53%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 374
[374 (0.31% / 0.31%)] [117,581 / 1,753 (98.84%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 293
[293 (0.25% / 0.25%)] [117,874 / 1,379 (99.09%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 182
[182 (0.15% / 0.15%)] [118,056 / 1,086 (99.24%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 139
[139 (0.12% / 0.12%)] [118,195 / 904 (99.36%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 133
[133 (0.11% / 0.11%)] [118,328 / 765 (99.47%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 90
[90 (0.08% / 0.08%)] [118,418 / 632 (99.54%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 87
[87 (0.07% / 0.07%)] [118,505 / 542 (99.62%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 60
[60 (0.05% / 0.05%)] [118,565 / 455 (99.67%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 56
[56 (0.05% / 0.05%)] [118,621 / 395 (99.72%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 45
[45 (0.04% / 0.04%)] [118,666 / 339 (99.75%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 23
[23 (0.02% / 0.02%)] [118,689 / 294 (99.77%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 40
[40 (0.03% / 0.03%)] [118,729 / 271 (99.81%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 26
[26 (0.02% / 0.02%)] [118,755 / 231 (99.83%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 27
[27 (0.02% / 0.02%)] [118,782 / 205 (99.85%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 24
[24 (0.02% / 0.02%)] [118,806 / 178 (99.87%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 18
[18 (0.02% / 0.02%)] [118,824 / 154 (99.89%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 13
[13 (0.01% / 0.01%)] [118,837 / 136 (99.90%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 14
[14 (0.01% / 0.01%)] [118,851 / 123 (99.91%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 18
[18 (0.02% / 0.02%)] [118,869 / 109 (99.92%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 10
[10 (0.01% / 0.01%)] [118,879 / 91 (99.93%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 10
[10 (0.01% / 0.01%)] [118,889 / 81 (99.94%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 5
[5 (0.00% / 0.00%)] [118,894 / 71 (99.94%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 10
[10 (0.01% / 0.01%)] [118,904 / 66 (99.95%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 6
[6 (0.01% / 0.01%)] [118,910 / 56 (99.96%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 8
[8 (0.01% / 0.01%)] [118,918 / 50 (99.96%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 6
[6 (0.01% / 0.01%)] [118,924 / 42 (99.97%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 3
[3 (0.00% / 0.00%)] [118,927 / 36 (99.97%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 4
[4 (0.00% / 0.00%)] [118,931 / 33 (99.98%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 2
[2 (0.00% / 0.00%)] [118,933 / 29 (99.98%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 2
[2 (0.00% / 0.00%)] [118,935 / 27 (99.98%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 1
[1 (0.00% / 0.00%)] [118,936 / 25 (99.98%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 4
[4 (0.00% / 0.00%)] [118,940 / 24 (99.98%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [118,941 / 20 (99.98%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [118,942 / 19 (99.98%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 3
[3 (0.00% / 0.00%)] [118,945 / 18 (99.99%)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 1
[1 (0.00% / 0.00%)] [118,946 / 15 (99.99%)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [118,947 / 14 (99.99%)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [118,948 / 13 (99.99%)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 2
[2 (0.00% / 0.00%)] [118,950 / 12 (99.99%)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [118,951 / 10 (99.99%)]
50.5mm - 51.4mm 50.5mm - 51.4mm = 1
[1 (0.00% / 0.00%)] [118,952 / 9 (99.99%)]
53.5mm - 54.4mm 53.5mm - 54.4mm = 1
[1 (0.00% / 0.00%)] [118,953 / 8 (99.99%)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 1
[1 (0.00% / 0.00%)] [118,954 / 7 (99.99%)]
56.5mm - 57.4mm 56.5mm - 57.4mm = 1
[1 (0.00% / 0.00%)] [118,955 / 6 (100.00%)]
68.5mm - 69.4mm 68.5mm - 69.4mm = 2
[2 (0.00% / 0.00%)] [118,957 / 5 (100.00%)]
74.5mm - 75.4mm 74.5mm - 75.4mm = 1
[1 (0.00% / 0.00%)] [118,958 / 3 (100.00%)]
83.5mm - 84.4mm 83.5mm - 84.4mm = 1
[1 (0.00% / 0.00%)] [118,959 / 2 (100.00%)]
90.5mm - 91.4mm 90.5mm - 91.4mm = 1
[1 (0.00% / 0.00%)] [118,960 / 1 (100.00%)]

Missing observations (182 / 0.15%)

Wind Direction

Calm Calm = 98
[98 (0.08% / 0.08%)] [0 / 0 (NA)]
NNE NNE = 3,018
[3,018 (2.53% / 2.54%)] [0 / 0 (NA)]
NE NE = 11,943
[11,943 (10.02% / 10.04%)] [0 / 0 (NA)]
ENE ENE = 16,327
[16,327 (13.70% / 13.72%)] [0 / 0 (NA)]
E E = 7,359
[7,359 (6.18% / 6.18%)] [0 / 0 (NA)]
ESE ESE = 2,381
[2,381 (2.00% / 2.00%)] [0 / 0 (NA)]
SE SE = 1,256
[1,256 (1.05% / 1.06%)] [0 / 0 (NA)]
SSE SSE = 1,978
[1,978 (1.66% / 1.66%)] [0 / 0 (NA)]
S S = 4,742
[4,742 (3.98% / 3.98%)] [0 / 0 (NA)]
SSW SSW = 9,917
[9,917 (8.32% / 8.33%)] [0 / 0 (NA)]
SW SW = 14,822
[14,822 (12.44% / 12.45%)] [0 / 0 (NA)]
WSW WSW = 10,162
[10,162 (8.53% / 8.54%)] [0 / 0 (NA)]
W W = 22,688
[22,688 (19.04% / 19.06%)] [0 / 0 (NA)]
WNW WNW = 8,709
[8,709 (7.31% / 7.32%)] [0 / 0 (NA)]
NW NW = 1,682
[1,682 (1.41% / 1.41%)] [0 / 0 (NA)]
NNW NNW = 855
[855 (0.72% / 0.72%)] [0 / 0 (NA)]
N N = 1,070
[1,070 (0.90% / 0.90%)] [0 / 0 (NA)]

Missing observations (135 / 0.11%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 197
[197 (0.17% / 0.17%)] [197 / 119,007 (0.17%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 8,314
[8,314 (6.98% / 6.99%)] [8,511 / 118,810 (7.15%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 14,537
[14,537 (12.20% / 12.22%)] [23,048 / 110,496 (19.37%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 17,165
[17,165 (14.41% / 14.42%)] [40,213 / 95,959 (33.79%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 18,529
[18,529 (15.55% / 15.57%)] [58,742 / 78,794 (49.36%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 17,281
[17,281 (14.50% / 14.52%)] [76,023 / 60,265 (63.88%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 14,241
[14,241 (11.95% / 11.97%)] [90,264 / 42,984 (75.85%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 10,403
[10,403 (8.73% / 8.74%)] [100,667 / 28,743 (84.59%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 7,242
[7,242 (6.08% / 6.09%)] [107,909 / 18,340 (90.67%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 4,431
[4,431 (3.72% / 3.72%)] [112,340 / 11,098 (94.40%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 2,733
[2,733 (2.29% / 2.30%)] [115,073 / 6,667 (96.69%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 1,643
[1,643 (1.38% / 1.38%)] [116,716 / 3,934 (98.07%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 944
[944 (0.79% / 0.79%)] [117,660 / 2,291 (98.87%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 551
[551 (0.46% / 0.46%)] [118,211 / 1,347 (99.33%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 340
[340 (0.29% / 0.29%)] [118,551 / 796 (99.62%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 219
[219 (0.18% / 0.18%)] [118,770 / 456 (99.80%)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 104
[104 (0.09% / 0.09%)] [118,874 / 237 (99.89%)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 65
[65 (0.05% / 0.05%)] [118,939 / 133 (99.94%)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 35
[35 (0.03% / 0.03%)] [118,974 / 68 (99.97%)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 13
[13 (0.01% / 0.01%)] [118,987 / 33 (99.98%)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 9
[9 (0.01% / 0.01%)] [118,996 / 20 (99.99%)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 2
[2 (0.00% / 0.00%)] [118,998 / 11 (99.99%)]
22.5m/s - 23.4m/s 22.5m/s - 23.4m/s = 2
[2 (0.00% / 0.00%)] [119,000 / 9 (99.99%)]
23.5m/s - 24.4m/s 23.5m/s - 24.4m/s = 2
[2 (0.00% / 0.00%)] [119,002 / 7 (100.00%)]
24.5m/s - 25.4m/s 24.5m/s - 25.4m/s = 1
[1 (0.00% / 0.00%)] [119,003 / 5 (100.00%)]
25.5m/s - 26.4m/s 25.5m/s - 26.4m/s = 3
[3 (0.00% / 0.00%)] [119,006 / 4 (100.00%)]
29.5m/s - 30.4m/s 29.5m/s - 30.4m/s = 1
[1 (0.00% / 0.00%)] [119,007 / 1 (100.00%)]

Missing observations (135 / 0.11%)

Temperature

-0.5C - 0.4C -0.5C - 0.4C = 1
[1 (0.00% / 0.00%)] [1 / 119,070 (0.00%)]
0.5C - 1.4C 0.5C - 1.4C = 7
[7 (0.01% / 0.01%)] [8 / 119,069 (0.01%)]
1.5C - 2.4C 1.5C - 2.4C = 30
[30 (0.03% / 0.03%)] [38 / 119,062 (0.03%)]
2.5C - 3.4C 2.5C - 3.4C = 84
[84 (0.07% / 0.07%)] [122 / 119,032 (0.10%)]
3.5C - 4.4C 3.5C - 4.4C = 170
[170 (0.14% / 0.14%)] [292 / 118,948 (0.25%)]
4.5C - 5.4C 4.5C - 5.4C = 637
[637 (0.53% / 0.53%)] [929 / 118,778 (0.78%)]
5.5C - 6.4C 5.5C - 6.4C = 1,390
[1,390 (1.17% / 1.17%)] [2,319 / 118,141 (1.95%)]
6.5C - 7.4C 6.5C - 7.4C = 2,579
[2,579 (2.16% / 2.17%)] [4,898 / 116,751 (4.11%)]
7.5C - 8.4C 7.5C - 8.4C = 3,816
[3,816 (3.20% / 3.20%)] [8,714 / 114,172 (7.32%)]
8.5C - 9.4C 8.5C - 9.4C = 4,765
[4,765 (4.00% / 4.00%)] [13,479 / 110,356 (11.32%)]
9.5C - 10.4C 9.5C - 10.4C = 4,919
[4,919 (4.13% / 4.13%)] [18,398 / 105,591 (15.45%)]
10.5C - 11.4C 10.5C - 11.4C = 4,692
[4,692 (3.94% / 3.94%)] [23,090 / 100,672 (19.39%)]
11.5C - 12.4C 11.5C - 12.4C = 4,809
[4,809 (4.04% / 4.04%)] [27,899 / 95,980 (23.43%)]
12.5C - 13.4C 12.5C - 13.4C = 4,991
[4,991 (4.19% / 4.19%)] [32,890 / 91,171 (27.62%)]
13.5C - 14.4C 13.5C - 14.4C = 5,290
[5,290 (4.44% / 4.44%)] [38,180 / 86,180 (32.07%)]
14.5C - 15.4C 14.5C - 15.4C = 5,312
[5,312 (4.46% / 4.46%)] [43,492 / 80,890 (36.53%)]
15.5C - 16.4C 15.5C - 16.4C = 5,551
[5,551 (4.66% / 4.66%)] [49,043 / 75,578 (41.19%)]
16.5C - 17.4C 16.5C - 17.4C = 5,688
[5,688 (4.77% / 4.78%)] [54,731 / 70,027 (45.97%)]
17.5C - 18.4C 17.5C - 18.4C = 6,288
[6,288 (5.28% / 5.28%)] [61,019 / 64,339 (51.25%)]
18.5C - 19.4C 18.5C - 19.4C = 6,389
[6,389 (5.36% / 5.37%)] [67,408 / 58,051 (56.61%)]
19.5C - 20.4C 19.5C - 20.4C = 6,119
[6,119 (5.14% / 5.14%)] [73,527 / 51,662 (61.75%)]
20.5C - 21.4C 20.5C - 21.4C = 6,069
[6,069 (5.09% / 5.10%)] [79,596 / 45,543 (66.85%)]
21.5C - 22.4C 21.5C - 22.4C = 6,068
[6,068 (5.09% / 5.10%)] [85,664 / 39,474 (71.94%)]
22.5C - 23.4C 22.5C - 23.4C = 5,683
[5,683 (4.77% / 4.77%)] [91,347 / 33,406 (76.72%)]
23.5C - 24.4C 23.5C - 24.4C = 5,932
[5,932 (4.98% / 4.98%)] [97,279 / 27,723 (81.70%)]
24.5C - 25.4C 24.5C - 25.4C = 6,766
[6,766 (5.68% / 5.68%)] [104,045 / 21,791 (87.38%)]
25.5C - 26.4C 25.5C - 26.4C = 6,068
[6,068 (5.09% / 5.10%)] [110,113 / 15,025 (92.48%)]
26.5C - 27.4C 26.5C - 27.4C = 4,046
[4,046 (3.40% / 3.40%)] [114,159 / 8,957 (95.88%)]
27.5C - 28.4C 27.5C - 28.4C = 2,583
[2,583 (2.17% / 2.17%)] [116,742 / 4,911 (98.04%)]
28.5C - 29.4C 28.5C - 29.4C = 1,572
[1,572 (1.32% / 1.32%)] [118,314 / 2,328 (99.37%)]
29.5C - 30.4C 29.5C - 30.4C = 567
[567 (0.48% / 0.48%)] [118,881 / 756 (99.84%)]
30.5C - 31.4C 30.5C - 31.4C = 154
[154 (0.13% / 0.13%)] [119,035 / 189 (99.97%)]
31.5C - 32.4C 31.5C - 32.4C = 35
[35 (0.03% / 0.03%)] [119,070 / 35 (100.00%)]

Missing observations (72 / 0.06%)

Sunshine Duration

0.0h 0.0h = 84,989
[84,989 (71.33% / 71.48%)] [84,989 / 118,898 (71.48%)]
0.1h 0.1h = 4,368
[4,368 (3.67% / 3.67%)] [89,357 / 33,909 (75.15%)]
0.2h 0.2h = 3,248
[3,248 (2.73% / 2.73%)] [92,605 / 29,541 (77.89%)]
0.3h 0.3h = 2,850
[2,850 (2.39% / 2.40%)] [95,455 / 26,293 (80.28%)]
0.4h 0.4h = 2,668
[2,668 (2.24% / 2.24%)] [98,123 / 23,443 (82.53%)]
0.5h 0.5h = 2,552
[2,552 (2.14% / 2.15%)] [100,675 / 20,775 (84.67%)]
0.6h 0.6h = 2,504
[2,504 (2.10% / 2.11%)] [103,179 / 18,223 (86.78%)]
0.7h 0.7h = 2,507
[2,507 (2.10% / 2.11%)] [105,686 / 15,719 (88.89%)]
0.8h 0.8h = 2,569
[2,569 (2.16% / 2.16%)] [108,255 / 13,212 (91.05%)]
0.9h 0.9h = 3,001
[3,001 (2.52% / 2.52%)] [111,256 / 10,643 (93.57%)]
1.0h 1.0h = 7,642
[7,642 (6.41% / 6.43%)] [118,898 / 7,642 (100.00%)]

Missing observations (244 / 0.20%)