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 145
Number of Observations 105,270
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 -- 2015/08/99 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 = 92,742
[92,742 (88.10% / 88.25%)] [92,742 / 105,088 (88.25%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 5,562
[5,562 (5.28% / 5.29%)] [98,304 / 12,346 (93.54%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 2,183
[2,183 (2.07% / 2.08%)] [100,487 / 6,784 (95.62%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 1,310
[1,310 (1.24% / 1.25%)] [101,797 / 4,601 (96.87%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 778
[778 (0.74% / 0.74%)] [102,575 / 3,291 (97.61%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 582
[582 (0.55% / 0.55%)] [103,157 / 2,513 (98.16%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 390
[390 (0.37% / 0.37%)] [103,547 / 1,931 (98.53%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 330
[330 (0.31% / 0.31%)] [103,877 / 1,541 (98.85%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 252
[252 (0.24% / 0.24%)] [104,129 / 1,211 (99.09%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 161
[161 (0.15% / 0.15%)] [104,290 / 959 (99.24%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 119
[119 (0.11% / 0.11%)] [104,409 / 798 (99.35%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 117
[117 (0.11% / 0.11%)] [104,526 / 679 (99.47%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 78
[78 (0.07% / 0.07%)] [104,604 / 562 (99.54%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 77
[77 (0.07% / 0.07%)] [104,681 / 484 (99.61%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 57
[57 (0.05% / 0.05%)] [104,738 / 407 (99.67%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 52
[52 (0.05% / 0.05%)] [104,790 / 350 (99.72%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 43
[43 (0.04% / 0.04%)] [104,833 / 298 (99.76%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 21
[21 (0.02% / 0.02%)] [104,854 / 255 (99.78%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 37
[37 (0.04% / 0.04%)] [104,891 / 234 (99.81%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 24
[24 (0.02% / 0.02%)] [104,915 / 197 (99.84%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 21
[21 (0.02% / 0.02%)] [104,936 / 173 (99.86%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 22
[22 (0.02% / 0.02%)] [104,958 / 152 (99.88%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 17
[17 (0.02% / 0.02%)] [104,975 / 130 (99.89%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 12
[12 (0.01% / 0.01%)] [104,987 / 113 (99.90%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 10
[10 (0.01% / 0.01%)] [104,997 / 101 (99.91%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 17
[17 (0.02% / 0.02%)] [105,014 / 91 (99.93%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 9
[9 (0.01% / 0.01%)] [105,023 / 74 (99.94%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 6
[6 (0.01% / 0.01%)] [105,029 / 65 (99.94%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 5
[5 (0.00% / 0.00%)] [105,034 / 59 (99.95%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 8
[8 (0.01% / 0.01%)] [105,042 / 54 (99.96%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 5
[5 (0.00% / 0.00%)] [105,047 / 46 (99.96%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 8
[8 (0.01% / 0.01%)] [105,055 / 41 (99.97%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 6
[6 (0.01% / 0.01%)] [105,061 / 33 (99.97%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 3
[3 (0.00% / 0.00%)] [105,064 / 27 (99.98%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 3
[3 (0.00% / 0.00%)] [105,067 / 24 (99.98%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 2
[2 (0.00% / 0.00%)] [105,069 / 21 (99.98%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 2
[2 (0.00% / 0.00%)] [105,071 / 19 (99.98%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 1
[1 (0.00% / 0.00%)] [105,072 / 17 (99.98%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 2
[2 (0.00% / 0.00%)] [105,074 / 16 (99.99%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [105,075 / 14 (99.99%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [105,076 / 13 (99.99%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 2
[2 (0.00% / 0.00%)] [105,078 / 12 (99.99%)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 1
[1 (0.00% / 0.00%)] [105,079 / 10 (99.99%)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 2
[2 (0.00% / 0.00%)] [105,081 / 9 (99.99%)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [105,082 / 7 (99.99%)]
50.5mm - 51.4mm 50.5mm - 51.4mm = 1
[1 (0.00% / 0.00%)] [105,083 / 6 (100.00%)]
53.5mm - 54.4mm 53.5mm - 54.4mm = 1
[1 (0.00% / 0.00%)] [105,084 / 5 (100.00%)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 1
[1 (0.00% / 0.00%)] [105,085 / 4 (100.00%)]
68.5mm - 69.4mm 68.5mm - 69.4mm = 1
[1 (0.00% / 0.00%)] [105,086 / 3 (100.00%)]
74.5mm - 75.4mm 74.5mm - 75.4mm = 1
[1 (0.00% / 0.00%)] [105,087 / 2 (100.00%)]
83.5mm - 84.4mm 83.5mm - 84.4mm = 1
[1 (0.00% / 0.00%)] [105,088 / 1 (100.00%)]

Missing observations (182 / 0.17%)

Wind Direction

Calm Calm = 96
[96 (0.09% / 0.09%)] [0 / 0 (NA)]
NNE NNE = 2,629
[2,629 (2.50% / 2.50%)] [0 / 0 (NA)]
NE NE = 10,375
[10,375 (9.86% / 9.87%)] [0 / 0 (NA)]
ENE ENE = 14,213
[14,213 (13.50% / 13.52%)] [0 / 0 (NA)]
E E = 6,486
[6,486 (6.16% / 6.17%)] [0 / 0 (NA)]
ESE ESE = 2,075
[2,075 (1.97% / 1.97%)] [0 / 0 (NA)]
SE SE = 1,074
[1,074 (1.02% / 1.02%)] [0 / 0 (NA)]
SSE SSE = 1,721
[1,721 (1.63% / 1.64%)] [0 / 0 (NA)]
S S = 4,194
[4,194 (3.98% / 3.99%)] [0 / 0 (NA)]
SSW SSW = 8,984
[8,984 (8.53% / 8.55%)] [0 / 0 (NA)]
SW SW = 13,498
[13,498 (12.82% / 12.84%)] [0 / 0 (NA)]
WSW WSW = 9,161
[9,161 (8.70% / 8.71%)] [0 / 0 (NA)]
W W = 19,825
[19,825 (18.83% / 18.86%)] [0 / 0 (NA)]
WNW WNW = 7,673
[7,673 (7.29% / 7.30%)] [0 / 0 (NA)]
NW NW = 1,470
[1,470 (1.40% / 1.40%)] [0 / 0 (NA)]
NNW NNW = 734
[734 (0.70% / 0.70%)] [0 / 0 (NA)]
N N = 928
[928 (0.88% / 0.88%)] [0 / 0 (NA)]

Missing observations (134 / 0.13%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 175
[175 (0.17% / 0.17%)] [175 / 105,136 (0.17%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 7,174
[7,174 (6.81% / 6.82%)] [7,349 / 104,961 (6.99%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 12,759
[12,759 (12.12% / 12.14%)] [20,108 / 97,787 (19.13%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 15,268
[15,268 (14.50% / 14.52%)] [35,376 / 85,028 (33.65%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 16,262
[16,262 (15.45% / 15.47%)] [51,638 / 69,760 (49.12%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 15,183
[15,183 (14.42% / 14.44%)] [66,821 / 53,498 (63.56%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 12,504
[12,504 (11.88% / 11.89%)] [79,325 / 38,315 (75.45%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 9,254
[9,254 (8.79% / 8.80%)] [88,579 / 25,811 (84.25%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 6,510
[6,510 (6.18% / 6.19%)] [95,089 / 16,557 (90.44%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 3,965
[3,965 (3.77% / 3.77%)] [99,054 / 10,047 (94.22%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 2,455
[2,455 (2.33% / 2.34%)] [101,509 / 6,082 (96.55%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 1,492
[1,492 (1.42% / 1.42%)] [103,001 / 3,627 (97.97%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 855
[855 (0.81% / 0.81%)] [103,856 / 2,135 (98.78%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 508
[508 (0.48% / 0.48%)] [104,364 / 1,280 (99.27%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 327
[327 (0.31% / 0.31%)] [104,691 / 772 (99.58%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 214
[214 (0.20% / 0.20%)] [104,905 / 445 (99.78%)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 103
[103 (0.10% / 0.10%)] [105,008 / 231 (99.88%)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 62
[62 (0.06% / 0.06%)] [105,070 / 128 (99.94%)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 33
[33 (0.03% / 0.03%)] [105,103 / 66 (99.97%)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 13
[13 (0.01% / 0.01%)] [105,116 / 33 (99.98%)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 9
[9 (0.01% / 0.01%)] [105,125 / 20 (99.99%)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 2
[2 (0.00% / 0.00%)] [105,127 / 11 (99.99%)]
22.5m/s - 23.4m/s 22.5m/s - 23.4m/s = 2
[2 (0.00% / 0.00%)] [105,129 / 9 (99.99%)]
23.5m/s - 24.4m/s 23.5m/s - 24.4m/s = 2
[2 (0.00% / 0.00%)] [105,131 / 7 (100.00%)]
24.5m/s - 25.4m/s 24.5m/s - 25.4m/s = 1
[1 (0.00% / 0.00%)] [105,132 / 5 (100.00%)]
25.5m/s - 26.4m/s 25.5m/s - 26.4m/s = 3
[3 (0.00% / 0.00%)] [105,135 / 4 (100.00%)]
29.5m/s - 30.4m/s 29.5m/s - 30.4m/s = 1
[1 (0.00% / 0.00%)] [105,136 / 1 (100.00%)]

Missing observations (134 / 0.13%)

Temperature

-0.5C - 0.4C -0.5C - 0.4C = 1
[1 (0.00% / 0.00%)] [1 / 105,199 (0.00%)]
0.5C - 1.4C 0.5C - 1.4C = 5
[5 (0.00% / 0.00%)] [6 / 105,198 (0.01%)]
1.5C - 2.4C 1.5C - 2.4C = 23
[23 (0.02% / 0.02%)] [29 / 105,193 (0.03%)]
2.5C - 3.4C 2.5C - 3.4C = 66
[66 (0.06% / 0.06%)] [95 / 105,170 (0.09%)]
3.5C - 4.4C 3.5C - 4.4C = 136
[136 (0.13% / 0.13%)] [231 / 105,104 (0.22%)]
4.5C - 5.4C 4.5C - 5.4C = 559
[559 (0.53% / 0.53%)] [790 / 104,968 (0.75%)]
5.5C - 6.4C 5.5C - 6.4C = 1,260
[1,260 (1.20% / 1.20%)] [2,050 / 104,409 (1.95%)]
6.5C - 7.4C 6.5C - 7.4C = 2,352
[2,352 (2.23% / 2.24%)] [4,402 / 103,149 (4.18%)]
7.5C - 8.4C 7.5C - 8.4C = 3,359
[3,359 (3.19% / 3.19%)] [7,761 / 100,797 (7.38%)]
8.5C - 9.4C 8.5C - 9.4C = 4,116
[4,116 (3.91% / 3.91%)] [11,877 / 97,438 (11.29%)]
9.5C - 10.4C 9.5C - 10.4C = 4,220
[4,220 (4.01% / 4.01%)] [16,097 / 93,322 (15.30%)]
10.5C - 11.4C 10.5C - 11.4C = 4,019
[4,019 (3.82% / 3.82%)] [20,116 / 89,102 (19.12%)]
11.5C - 12.4C 11.5C - 12.4C = 4,132
[4,132 (3.93% / 3.93%)] [24,248 / 85,083 (23.05%)]
12.5C - 13.4C 12.5C - 13.4C = 4,346
[4,346 (4.13% / 4.13%)] [28,594 / 80,951 (27.18%)]
13.5C - 14.4C 13.5C - 14.4C = 4,682
[4,682 (4.45% / 4.45%)] [33,276 / 76,605 (31.63%)]
14.5C - 15.4C 14.5C - 15.4C = 4,784
[4,784 (4.54% / 4.55%)] [38,060 / 71,923 (36.18%)]
15.5C - 16.4C 15.5C - 16.4C = 4,923
[4,923 (4.68% / 4.68%)] [42,983 / 67,139 (40.86%)]
16.5C - 17.4C 16.5C - 17.4C = 5,089
[5,089 (4.83% / 4.84%)] [48,072 / 62,216 (45.70%)]
17.5C - 18.4C 17.5C - 18.4C = 5,508
[5,508 (5.23% / 5.24%)] [53,580 / 57,127 (50.93%)]
18.5C - 19.4C 18.5C - 19.4C = 5,450
[5,450 (5.18% / 5.18%)] [59,030 / 51,619 (56.11%)]
19.5C - 20.4C 19.5C - 20.4C = 5,371
[5,371 (5.10% / 5.11%)] [64,401 / 46,169 (61.22%)]
20.5C - 21.4C 20.5C - 21.4C = 5,423
[5,423 (5.15% / 5.15%)] [69,824 / 40,798 (66.37%)]
21.5C - 22.4C 21.5C - 22.4C = 5,407
[5,407 (5.14% / 5.14%)] [75,231 / 35,375 (71.51%)]
22.5C - 23.4C 22.5C - 23.4C = 5,071
[5,071 (4.82% / 4.82%)] [80,302 / 29,968 (76.33%)]
23.5C - 24.4C 23.5C - 24.4C = 5,266
[5,266 (5.00% / 5.01%)] [85,568 / 24,897 (81.34%)]
24.5C - 25.4C 24.5C - 25.4C = 6,026
[6,026 (5.72% / 5.73%)] [91,594 / 19,631 (87.07%)]
25.5C - 26.4C 25.5C - 26.4C = 5,429
[5,429 (5.16% / 5.16%)] [97,023 / 13,605 (92.23%)]
26.5C - 27.4C 26.5C - 27.4C = 3,674
[3,674 (3.49% / 3.49%)] [100,697 / 8,176 (95.72%)]
27.5C - 28.4C 27.5C - 28.4C = 2,310
[2,310 (2.19% / 2.20%)] [103,007 / 4,502 (97.92%)]
28.5C - 29.4C 28.5C - 29.4C = 1,468
[1,468 (1.39% / 1.40%)] [104,475 / 2,192 (99.31%)]
29.5C - 30.4C 29.5C - 30.4C = 541
[541 (0.51% / 0.51%)] [105,016 / 724 (99.83%)]
30.5C - 31.4C 30.5C - 31.4C = 150
[150 (0.14% / 0.14%)] [105,166 / 183 (99.97%)]
31.5C - 32.4C 31.5C - 32.4C = 33
[33 (0.03% / 0.03%)] [105,199 / 33 (100.00%)]

Missing observations (71 / 0.07%)

Sunshine Duration

0.0h 0.0h = 75,154
[75,154 (71.39% / 71.55%)] [75,154 / 105,030 (71.55%)]
0.1h 0.1h = 3,829
[3,829 (3.64% / 3.65%)] [78,983 / 29,876 (75.20%)]
0.2h 0.2h = 2,858
[2,858 (2.71% / 2.72%)] [81,841 / 26,047 (77.92%)]
0.3h 0.3h = 2,533
[2,533 (2.41% / 2.41%)] [84,374 / 23,189 (80.33%)]
0.4h 0.4h = 2,352
[2,352 (2.23% / 2.24%)] [86,726 / 20,656 (82.57%)]
0.5h 0.5h = 2,271
[2,271 (2.16% / 2.16%)] [88,997 / 18,304 (84.73%)]
0.6h 0.6h = 2,181
[2,181 (2.07% / 2.08%)] [91,178 / 16,033 (86.81%)]
0.7h 0.7h = 2,214
[2,214 (2.10% / 2.11%)] [93,392 / 13,852 (88.92%)]
0.8h 0.8h = 2,254
[2,254 (2.14% / 2.15%)] [95,646 / 11,638 (91.07%)]
0.9h 0.9h = 2,637
[2,637 (2.50% / 2.51%)] [98,283 / 9,384 (93.58%)]
1.0h 1.0h = 6,747
[6,747 (6.41% / 6.42%)] [105,030 / 6,747 (100.00%)]

Missing observations (240 / 0.23%)