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 194
Number of Observations 141,044
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 -- 2019/09/99 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 = 123,976
[123,976 (87.90% / 88.02%)] [123,976 / 140,850 (88.02)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 7,651
[7,651 (5.42% / 5.43%)] [131,627 / 16,874 (93.45)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 2,979
[2,979 (2.11% / 2.12%)] [134,606 / 9,223 (95.57)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 1,741
[1,741 (1.23% / 1.24%)] [136,347 / 6,244 (96.80)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,046
[1,046 (0.74% / 0.74%)] [137,393 / 4,503 (97.55)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 794
[794 (0.56% / 0.56%)] [138,187 / 3,457 (98.11)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 534
[534 (0.38% / 0.38%)] [138,721 / 2,663 (98.49)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 459
[459 (0.33% / 0.33%)] [139,180 / 2,129 (98.81)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 336
[336 (0.24% / 0.24%)] [139,516 / 1,670 (99.05)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 226
[226 (0.16% / 0.16%)] [139,742 / 1,334 (99.21)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 184
[184 (0.13% / 0.13%)] [139,926 / 1,108 (99.34)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 156
[156 (0.11% / 0.11%)] [140,082 / 924 (99.45)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 106
[106 (0.08% / 0.08%)] [140,188 / 768 (99.53)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 103
[103 (0.07% / 0.07%)] [140,291 / 662 (99.60)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 68
[68 (0.05% / 0.05%)] [140,359 / 559 (99.65)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 75
[75 (0.05% / 0.05%)] [140,434 / 491 (99.70)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 58
[58 (0.04% / 0.04%)] [140,492 / 416 (99.75)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 33
[33 (0.02% / 0.02%)] [140,525 / 358 (99.77)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 44
[44 (0.03% / 0.03%)] [140,569 / 325 (99.80)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 35
[35 (0.02% / 0.02%)] [140,604 / 281 (99.83)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 34
[34 (0.02% / 0.02%)] [140,638 / 246 (99.85)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 27
[27 (0.02% / 0.02%)] [140,665 / 212 (99.87)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 19
[19 (0.01% / 0.01%)] [140,684 / 185 (99.88)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 16
[16 (0.01% / 0.01%)] [140,700 / 166 (99.89)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 21
[21 (0.01% / 0.01%)] [140,721 / 150 (99.91)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 22
[22 (0.02% / 0.02%)] [140,743 / 129 (99.92)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 10
[10 (0.01% / 0.01%)] [140,753 / 107 (99.93)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 12
[12 (0.01% / 0.01%)] [140,765 / 97 (99.94)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 6
[6 (0.00% / 0.00%)] [140,771 / 85 (99.94)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 12
[12 (0.01% / 0.01%)] [140,783 / 79 (99.95)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 6
[6 (0.00% / 0.00%)] [140,789 / 67 (99.96)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 8
[8 (0.01% / 0.01%)] [140,797 / 61 (99.96)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 7
[7 (0.00% / 0.00%)] [140,804 / 53 (99.97)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 5
[5 (0.00% / 0.00%)] [140,809 / 46 (99.97)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 4
[4 (0.00% / 0.00%)] [140,813 / 41 (99.97)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 3
[3 (0.00% / 0.00%)] [140,816 / 37 (99.98)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 3
[3 (0.00% / 0.00%)] [140,819 / 34 (99.98)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 2
[2 (0.00% / 0.00%)] [140,821 / 31 (99.98)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 4
[4 (0.00% / 0.00%)] [140,825 / 29 (99.98)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 1
[1 (0.00% / 0.00%)] [140,826 / 25 (99.98)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [140,827 / 24 (99.98)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [140,828 / 23 (99.98)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 1
[1 (0.00% / 0.00%)] [140,829 / 22 (99.99)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 3
[3 (0.00% / 0.00%)] [140,832 / 21 (99.99)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 1
[1 (0.00% / 0.00%)] [140,833 / 18 (99.99)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 2
[2 (0.00% / 0.00%)] [140,835 / 17 (99.99)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [140,836 / 15 (99.99)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [140,837 / 14 (99.99)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 2
[2 (0.00% / 0.00%)] [140,839 / 13 (99.99)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [140,840 / 11 (99.99)]
50.5mm - 51.4mm 50.5mm - 51.4mm = 1
[1 (0.00% / 0.00%)] [140,841 / 10 (99.99)]
53.5mm - 54.4mm 53.5mm - 54.4mm = 1
[1 (0.00% / 0.00%)] [140,842 / 9 (99.99)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 2
[2 (0.00% / 0.00%)] [140,844 / 8 (100.00)]
56.5mm - 57.4mm 56.5mm - 57.4mm = 1
[1 (0.00% / 0.00%)] [140,845 / 6 (100.00)]
68.5mm - 69.4mm 68.5mm - 69.4mm = 2
[2 (0.00% / 0.00%)] [140,847 / 5 (100.00)]
74.5mm - 75.4mm 74.5mm - 75.4mm = 1
[1 (0.00% / 0.00%)] [140,848 / 3 (100.00)]
83.5mm - 84.4mm 83.5mm - 84.4mm = 1
[1 (0.00% / 0.00%)] [140,849 / 2 (100.00)]
90.5mm - 91.4mm 90.5mm - 91.4mm = 1
[1 (0.00% / 0.00%)] [140,850 / 1 (100.00)]

Missing observations (194 / 0.14%)

Wind Direction

Calm Calm = 101
[101 (0.07% / 0.07%)]
NNE NNE = 3,536
[3,536 (2.51% / 2.51%)]
NE NE = 13,985
[13,985 (9.92% / 9.93%)]
ENE ENE = 19,308
[19,308 (13.69% / 13.70%)]
E E = 8,676
[8,676 (6.15% / 6.16%)]
ESE ESE = 2,809
[2,809 (1.99% / 1.99%)]
SE SE = 1,519
[1,519 (1.08% / 1.08%)]
SSE SSE = 2,400
[2,400 (1.70% / 1.70%)]
S S = 5,683
[5,683 (4.03% / 4.03%)]
SSW SSW = 11,791
[11,791 (8.36% / 8.37%)]
SW SW = 17,625
[17,625 (12.50% / 12.51%)]
WSW WSW = 12,713
[12,713 (9.01% / 9.02%)]
W W = 26,892
[26,892 (19.07% / 19.09%)]
WNW WNW = 9,692
[9,692 (6.87% / 6.88%)]
NW NW = 1,917
[1,917 (1.36% / 1.36%)]
NNW NNW = 1,011
[1,011 (0.72% / 0.72%)]
N N = 1,248
[1,248 (0.88% / 0.89%)]

Missing observations (138 / 0.10%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 215
[215 (0.15% / 0.15%)] [215 / 140,906 (0.15)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 9,882
[9,882 (7.01% / 7.01%)] [10,097 / 140,691 (7.17)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 17,428
[17,428 (12.36% / 12.37%)] [27,525 / 130,809 (19.53)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 20,691
[20,691 (14.67% / 14.68%)] [48,216 / 113,381 (34.22)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 22,158
[22,158 (15.71% / 15.73%)] [70,374 / 92,690 (49.94)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 20,550
[20,550 (14.57% / 14.58%)] [90,924 / 70,532 (64.53)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 16,786
[16,786 (11.90% / 11.91%)] [107,710 / 49,982 (76.44)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 12,127
[12,127 (8.60% / 8.61%)] [119,837 / 33,196 (85.05)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 8,389
[8,389 (5.95% / 5.95%)] [128,226 / 21,069 (91.00)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 5,071
[5,071 (3.60% / 3.60%)] [133,297 / 12,680 (94.60)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 3,170
[3,170 (2.25% / 2.25%)] [136,467 / 7,609 (96.85)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 1,848
[1,848 (1.31% / 1.31%)] [138,315 / 4,439 (98.16)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 1,074
[1,074 (0.76% / 0.76%)] [139,389 / 2,591 (98.92)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 634
[634 (0.45% / 0.45%)] [140,023 / 1,517 (99.37)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 383
[383 (0.27% / 0.27%)] [140,406 / 883 (99.65)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 245
[245 (0.17% / 0.17%)] [140,651 / 500 (99.82)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 111
[111 (0.08% / 0.08%)] [140,762 / 255 (99.90)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 72
[72 (0.05% / 0.05%)] [140,834 / 144 (99.95)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 36
[36 (0.03% / 0.03%)] [140,870 / 72 (99.97)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 16
[16 (0.01% / 0.01%)] [140,886 / 36 (99.99)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 9
[9 (0.01% / 0.01%)] [140,895 / 20 (99.99)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 2
[2 (0.00% / 0.00%)] [140,897 / 11 (99.99)]
22.5m/s - 23.4m/s 22.5m/s - 23.4m/s = 2
[2 (0.00% / 0.00%)] [140,899 / 9 (100.00)]
23.5m/s - 24.4m/s 23.5m/s - 24.4m/s = 2
[2 (0.00% / 0.00%)] [140,901 / 7 (100.00)]
24.5m/s - 25.4m/s 24.5m/s - 25.4m/s = 1
[1 (0.00% / 0.00%)] [140,902 / 5 (100.00)]
25.5m/s - 26.4m/s 25.5m/s - 26.4m/s = 3
[3 (0.00% / 0.00%)] [140,905 / 4 (100.00)]
29.5m/s - 30.4m/s 29.5m/s - 30.4m/s = 1
[1 (0.00% / 0.00%)] [140,906 / 1 (100.00)]

Missing observations (138 / 0.10%)

Temperature

-0.5C - 0.4C -0.5C - 0.4C = 1
[1 (0.00% / 0.00%)] [1 / 140,967 (0.00)]
0.5C - 1.4C 0.5C - 1.4C = 8
[8 (0.01% / 0.01%)] [9 / 140,966 (0.01)]
1.5C - 2.4C 1.5C - 2.4C = 33
[33 (0.02% / 0.02%)] [42 / 140,958 (0.03)]
2.5C - 3.4C 2.5C - 3.4C = 96
[96 (0.07% / 0.07%)] [138 / 140,925 (0.10)]
3.5C - 4.4C 3.5C - 4.4C = 203
[203 (0.14% / 0.14%)] [341 / 140,829 (0.24)]
4.5C - 5.4C 4.5C - 5.4C = 698
[698 (0.49% / 0.50%)] [1,039 / 140,626 (0.74)]
5.5C - 6.4C 5.5C - 6.4C = 1,552
[1,552 (1.10% / 1.10%)] [2,591 / 139,928 (1.84)]
6.5C - 7.4C 6.5C - 7.4C = 2,837
[2,837 (2.01% / 2.01%)] [5,428 / 138,376 (3.85)]
7.5C - 8.4C 7.5C - 8.4C = 4,181
[4,181 (2.96% / 2.97%)] [9,609 / 135,539 (6.82)]
8.5C - 9.4C 8.5C - 9.4C = 5,295
[5,295 (3.75% / 3.76%)] [14,904 / 131,358 (10.57)]
9.5C - 10.4C 9.5C - 10.4C = 5,662
[5,662 (4.01% / 4.02%)] [20,566 / 126,063 (14.59)]
10.5C - 11.4C 10.5C - 11.4C = 5,540
[5,540 (3.93% / 3.93%)] [26,106 / 120,401 (18.52)]
11.5C - 12.4C 11.5C - 12.4C = 5,680
[5,680 (4.03% / 4.03%)] [31,786 / 114,861 (22.55)]
12.5C - 13.4C 12.5C - 13.4C = 5,818
[5,818 (4.12% / 4.13%)] [37,604 / 109,181 (26.68)]
13.5C - 14.4C 13.5C - 14.4C = 6,060
[6,060 (4.30% / 4.30%)] [43,664 / 103,363 (30.97)]
14.5C - 15.4C 14.5C - 15.4C = 6,125
[6,125 (4.34% / 4.34%)] [49,789 / 97,303 (35.32)]
15.5C - 16.4C 15.5C - 16.4C = 6,433
[6,433 (4.56% / 4.56%)] [56,222 / 91,178 (39.88)]
16.5C - 17.4C 16.5C - 17.4C = 6,628
[6,628 (4.70% / 4.70%)] [62,850 / 84,745 (44.58)]
17.5C - 18.4C 17.5C - 18.4C = 7,403
[7,403 (5.25% / 5.25%)] [70,253 / 78,117 (49.84)]
18.5C - 19.4C 18.5C - 19.4C = 7,535
[7,535 (5.34% / 5.35%)] [77,788 / 70,714 (55.18)]
19.5C - 20.4C 19.5C - 20.4C = 7,391
[7,391 (5.24% / 5.24%)] [85,179 / 63,179 (60.42)]
20.5C - 21.4C 20.5C - 21.4C = 7,276
[7,276 (5.16% / 5.16%)] [92,455 / 55,788 (65.59)]
21.5C - 22.4C 21.5C - 22.4C = 7,260
[7,260 (5.15% / 5.15%)] [99,715 / 48,512 (70.74)]
22.5C - 23.4C 22.5C - 23.4C = 6,756
[6,756 (4.79% / 4.79%)] [106,471 / 41,252 (75.53)]
23.5C - 24.4C 23.5C - 24.4C = 7,189
[7,189 (5.10% / 5.10%)] [113,660 / 34,496 (80.63)]
24.5C - 25.4C 24.5C - 25.4C = 8,243
[8,243 (5.84% / 5.85%)] [121,903 / 27,307 (86.48)]
25.5C - 26.4C 25.5C - 26.4C = 7,525
[7,525 (5.34% / 5.34%)] [129,428 / 19,064 (91.81)]
26.5C - 27.4C 26.5C - 27.4C = 5,143
[5,143 (3.65% / 3.65%)] [134,571 / 11,539 (95.46)]
27.5C - 28.4C 27.5C - 28.4C = 3,298
[3,298 (2.34% / 2.34%)] [137,869 / 6,396 (97.80)]
28.5C - 29.4C 28.5C - 29.4C = 2,051
[2,051 (1.45% / 1.45%)] [139,920 / 3,098 (99.26)]
29.5C - 30.4C 29.5C - 30.4C = 786
[786 (0.56% / 0.56%)] [140,706 / 1,047 (99.81)]
30.5C - 31.4C 30.5C - 31.4C = 217
[217 (0.15% / 0.15%)] [140,923 / 261 (99.97)]
31.5C - 32.4C 31.5C - 32.4C = 43
[43 (0.03% / 0.03%)] [140,966 / 44 (100.00)]
32.5C - 33.4C 32.5C - 33.4C = 1
[1 (0.00% / 0.00%)] [140,967 / 1 (100.00)]

Missing observations (77 / 0.05%)

Sunshine Duration

0.0h 0.0h = 100,092
[100,092 (70.97% / 71.10%)] [100,092 / 140,784 (71.10)]
0.1h 0.1h = 5,278
[5,278 (3.74% / 3.75%)] [105,370 / 40,692 (74.85)]
0.2h 0.2h = 3,944
[3,944 (2.80% / 2.80%)] [109,314 / 35,414 (77.65)]
0.3h 0.3h = 3,369
[3,369 (2.39% / 2.39%)] [112,683 / 31,470 (80.04)]
0.4h 0.4h = 3,210
[3,210 (2.28% / 2.28%)] [115,893 / 28,101 (82.32)]
0.5h 0.5h = 3,012
[3,012 (2.14% / 2.14%)] [118,905 / 24,891 (84.46)]
0.6h 0.6h = 2,935
[2,935 (2.08% / 2.08%)] [121,840 / 21,879 (86.54)]
0.7h 0.7h = 3,035
[3,035 (2.15% / 2.16%)] [124,875 / 18,944 (88.70)]
0.8h 0.8h = 3,105
[3,105 (2.20% / 2.21%)] [127,980 / 15,909 (90.91)]
0.9h 0.9h = 3,592
[3,592 (2.55% / 2.55%)] [131,572 / 12,804 (93.46)]
1.0h 1.0h = 9,212
[9,212 (6.53% / 6.54%)] [140,784 / 9,212 (100.00)]

Missing observations (260 / 0.18%)