Station Number 44173
Prefecture Tokyo [ Local Portal ]
Location 東京都大島町元町字北の山 大島航空気象観測所 (OSHIMA MACHI, TOKYO TO)
Months of Observations 128
Number of Observations 93,471
Period of Observations
Period Name Lat. Long. Height Anemometer
2003/01/01 -- 2015/08/99 OSHIMAKITANOYAMA 34.782N 139.360E 38m 9.0m
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
44171 OSHIMA (Tokyo) 2.23km 147deg.
44172 OSHIMA (Tokyo) 3.78km 177deg.
44174 OSHIMA-RINJI (Tokyo) 3.78km 177deg.
44176 OSHIMA-SENZU (Tokyo) 5.69km 94deg.
44186 OSHIMA-SASHIKIJI (Tokyo) 12.01km 156deg.
50506 INATORI (Shizuoka) 28.56km 270deg.
44191 TOSHIMA (Tokyo) 29.07km 194deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 85,863
[85,863 (91.86% / 92.09%)] [85,863 / 93,240 (92.09%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 3,428
[3,428 (3.67% / 3.68%)] [89,291 / 7,377 (95.76%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 1,391
[1,391 (1.49% / 1.49%)] [90,682 / 3,949 (97.26%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 730
[730 (0.78% / 0.78%)] [91,412 / 2,558 (98.04%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 492
[492 (0.53% / 0.53%)] [91,904 / 1,828 (98.57%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 316
[316 (0.34% / 0.34%)] [92,220 / 1,336 (98.91%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 231
[231 (0.25% / 0.25%)] [92,451 / 1,020 (99.15%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 150
[150 (0.16% / 0.16%)] [92,601 / 789 (99.31%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 108
[108 (0.12% / 0.12%)] [92,709 / 639 (99.43%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 96
[96 (0.10% / 0.10%)] [92,805 / 531 (99.53%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 72
[72 (0.08% / 0.08%)] [92,877 / 435 (99.61%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 56
[56 (0.06% / 0.06%)] [92,933 / 363 (99.67%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 56
[56 (0.06% / 0.06%)] [92,989 / 307 (99.73%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 28
[28 (0.03% / 0.03%)] [93,017 / 251 (99.76%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 28
[28 (0.03% / 0.03%)] [93,045 / 223 (99.79%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 38
[38 (0.04% / 0.04%)] [93,083 / 195 (99.83%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 24
[24 (0.03% / 0.03%)] [93,107 / 157 (99.86%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 20
[20 (0.02% / 0.02%)] [93,127 / 133 (99.88%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 15
[15 (0.02% / 0.02%)] [93,142 / 113 (99.89%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 17
[17 (0.02% / 0.02%)] [93,159 / 98 (99.91%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 14
[14 (0.01% / 0.02%)] [93,173 / 81 (99.93%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 4
[4 (0.00% / 0.00%)] [93,177 / 67 (99.93%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 7
[7 (0.01% / 0.01%)] [93,184 / 63 (99.94%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 3
[3 (0.00% / 0.00%)] [93,187 / 56 (99.94%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 7
[7 (0.01% / 0.01%)] [93,194 / 53 (99.95%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 4
[4 (0.00% / 0.00%)] [93,198 / 46 (99.95%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 3
[3 (0.00% / 0.00%)] [93,201 / 42 (99.96%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 3
[3 (0.00% / 0.00%)] [93,204 / 39 (99.96%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 4
[4 (0.00% / 0.00%)] [93,208 / 36 (99.97%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 3
[3 (0.00% / 0.00%)] [93,211 / 32 (99.97%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 1
[1 (0.00% / 0.00%)] [93,212 / 29 (99.97%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 1
[1 (0.00% / 0.00%)] [93,213 / 28 (99.97%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 3
[3 (0.00% / 0.00%)] [93,216 / 27 (99.97%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 3
[3 (0.00% / 0.00%)] [93,219 / 24 (99.98%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 2
[2 (0.00% / 0.00%)] [93,221 / 21 (99.98%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 3
[3 (0.00% / 0.00%)] [93,224 / 19 (99.98%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 2
[2 (0.00% / 0.00%)] [93,226 / 16 (99.98%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 1
[1 (0.00% / 0.00%)] [93,227 / 14 (99.99%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 2
[2 (0.00% / 0.00%)] [93,229 / 13 (99.99%)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 1
[1 (0.00% / 0.00%)] [93,230 / 11 (99.99%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 3
[3 (0.00% / 0.00%)] [93,233 / 10 (99.99%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 1
[1 (0.00% / 0.00%)] [93,234 / 7 (99.99%)]
51.5mm - 52.4mm 51.5mm - 52.4mm = 1
[1 (0.00% / 0.00%)] [93,235 / 6 (99.99%)]
52.5mm - 53.4mm 52.5mm - 53.4mm = 1
[1 (0.00% / 0.00%)] [93,236 / 5 (100.00%)]
56.5mm - 57.4mm 56.5mm - 57.4mm = 1
[1 (0.00% / 0.00%)] [93,237 / 4 (100.00%)]
57.5mm - 58.4mm 57.5mm - 58.4mm = 1
[1 (0.00% / 0.00%)] [93,238 / 3 (100.00%)]
61.5mm - 62.4mm 61.5mm - 62.4mm = 1
[1 (0.00% / 0.00%)] [93,239 / 2 (100.00%)]
69.5mm - 70.4mm 69.5mm - 70.4mm = 1
[1 (0.00% / 0.00%)] [93,240 / 1 (100.00%)]

Missing observations (231 / 0.25%)

Wind Direction

Calm Calm = 106
[106 (0.11% / 0.11%)] [0 / 0 (NA)]
NNE NNE = 9,060
[9,060 (9.69% / 9.71%)] [0 / 0 (NA)]
NE NE = 21,873
[21,873 (23.40% / 23.45%)] [0 / 0 (NA)]
ENE ENE = 7,260
[7,260 (7.77% / 7.78%)] [0 / 0 (NA)]
E E = 5,078
[5,078 (5.43% / 5.44%)] [0 / 0 (NA)]
ESE ESE = 2,927
[2,927 (3.13% / 3.14%)] [0 / 0 (NA)]
SE SE = 3,148
[3,148 (3.37% / 3.37%)] [0 / 0 (NA)]
SSE SSE = 1,601
[1,601 (1.71% / 1.72%)] [0 / 0 (NA)]
S S = 3,790
[3,790 (4.05% / 4.06%)] [0 / 0 (NA)]
SSW SSW = 16,236
[16,236 (17.37% / 17.40%)] [0 / 0 (NA)]
SW SW = 11,333
[11,333 (12.12% / 12.15%)] [0 / 0 (NA)]
WSW WSW = 6,183
[6,183 (6.61% / 6.63%)] [0 / 0 (NA)]
W W = 1,274
[1,274 (1.36% / 1.37%)] [0 / 0 (NA)]
WNW WNW = 549
[549 (0.59% / 0.59%)] [0 / 0 (NA)]
NW NW = 623
[623 (0.67% / 0.67%)] [0 / 0 (NA)]
NNW NNW = 731
[731 (0.78% / 0.78%)] [0 / 0 (NA)]
N N = 1,517
[1,517 (1.62% / 1.63%)] [0 / 0 (NA)]

Missing observations (182 / 0.19%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 232
[232 (0.25% / 0.25%)] [232 / 93,289 (0.25%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 4,208
[4,208 (4.50% / 4.51%)] [4,440 / 93,057 (4.76%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 9,916
[9,916 (10.61% / 10.63%)] [14,356 / 88,849 (15.39%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 12,254
[12,254 (13.11% / 13.14%)] [26,610 / 78,933 (28.52%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 10,971
[10,971 (11.74% / 11.76%)] [37,581 / 66,679 (40.28%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 11,525
[11,525 (12.33% / 12.35%)] [49,106 / 55,708 (52.64%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 11,823
[11,823 (12.65% / 12.67%)] [60,929 / 44,183 (65.31%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 10,566
[10,566 (11.30% / 11.33%)] [71,495 / 32,360 (76.64%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 8,415
[8,415 (9.00% / 9.02%)] [79,910 / 21,794 (85.66%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 5,618
[5,618 (6.01% / 6.02%)] [85,528 / 13,379 (91.68%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 3,312
[3,312 (3.54% / 3.55%)] [88,840 / 7,761 (95.23%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 1,840
[1,840 (1.97% / 1.97%)] [90,680 / 4,449 (97.20%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 966
[966 (1.03% / 1.04%)] [91,646 / 2,609 (98.24%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 643
[643 (0.69% / 0.69%)] [92,289 / 1,643 (98.93%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 420
[420 (0.45% / 0.45%)] [92,709 / 1,000 (99.38%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 265
[265 (0.28% / 0.28%)] [92,974 / 580 (99.66%)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 127
[127 (0.14% / 0.14%)] [93,101 / 315 (99.80%)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 75
[75 (0.08% / 0.08%)] [93,176 / 188 (99.88%)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 38
[38 (0.04% / 0.04%)] [93,214 / 113 (99.92%)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 38
[38 (0.04% / 0.04%)] [93,252 / 75 (99.96%)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 11
[11 (0.01% / 0.01%)] [93,263 / 37 (99.97%)]
20.5m/s - 21.4m/s 20.5m/s - 21.4m/s = 15
[15 (0.02% / 0.02%)] [93,278 / 26 (99.99%)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 4
[4 (0.00% / 0.00%)] [93,282 / 11 (99.99%)]
22.5m/s - 23.4m/s 22.5m/s - 23.4m/s = 3
[3 (0.00% / 0.00%)] [93,285 / 7 (100.00%)]
23.5m/s - 24.4m/s 23.5m/s - 24.4m/s = 1
[1 (0.00% / 0.00%)] [93,286 / 4 (100.00%)]
25.5m/s - 26.4m/s 25.5m/s - 26.4m/s = 3
[3 (0.00% / 0.00%)] [93,289 / 3 (100.00%)]

Missing observations (182 / 0.19%)

Temperature

-0.5C - 0.4C -0.5C - 0.4C = 18
[18 (0.02% / 0.02%)] [18 / 93,307 (0.02%)]
0.5C - 1.4C 0.5C - 1.4C = 63
[63 (0.07% / 0.07%)] [81 / 93,289 (0.09%)]
1.5C - 2.4C 1.5C - 2.4C = 200
[200 (0.21% / 0.21%)] [281 / 93,226 (0.30%)]
2.5C - 3.4C 2.5C - 3.4C = 583
[583 (0.62% / 0.62%)] [864 / 93,026 (0.93%)]
3.5C - 4.4C 3.5C - 4.4C = 1,113
[1,113 (1.19% / 1.19%)] [1,977 / 92,443 (2.12%)]
4.5C - 5.4C 4.5C - 5.4C = 2,095
[2,095 (2.24% / 2.25%)] [4,072 / 91,330 (4.36%)]
5.5C - 6.4C 5.5C - 6.4C = 2,732
[2,732 (2.92% / 2.93%)] [6,804 / 89,235 (7.29%)]
6.5C - 7.4C 6.5C - 7.4C = 3,671
[3,671 (3.93% / 3.93%)] [10,475 / 86,503 (11.23%)]
7.5C - 8.4C 7.5C - 8.4C = 3,831
[3,831 (4.10% / 4.11%)] [14,306 / 82,832 (15.33%)]
8.5C - 9.4C 8.5C - 9.4C = 4,205
[4,205 (4.50% / 4.51%)] [18,511 / 79,001 (19.84%)]
9.5C - 10.4C 9.5C - 10.4C = 3,959
[3,959 (4.24% / 4.24%)] [22,470 / 74,796 (24.08%)]
10.5C - 11.4C 10.5C - 11.4C = 3,770
[3,770 (4.03% / 4.04%)] [26,240 / 70,837 (28.12%)]
11.5C - 12.4C 11.5C - 12.4C = 3,658
[3,658 (3.91% / 3.92%)] [29,898 / 67,067 (32.04%)]
12.5C - 13.4C 12.5C - 13.4C = 3,387
[3,387 (3.62% / 3.63%)] [33,285 / 63,409 (35.67%)]
13.5C - 14.4C 13.5C - 14.4C = 3,346
[3,346 (3.58% / 3.59%)] [36,631 / 60,022 (39.26%)]
14.5C - 15.4C 14.5C - 15.4C = 3,511
[3,511 (3.76% / 3.76%)] [40,142 / 56,676 (43.02%)]
15.5C - 16.4C 15.5C - 16.4C = 3,606
[3,606 (3.86% / 3.86%)] [43,748 / 53,165 (46.89%)]
16.5C - 17.4C 16.5C - 17.4C = 3,921
[3,921 (4.19% / 4.20%)] [47,669 / 49,559 (51.09%)]
17.5C - 18.4C 17.5C - 18.4C = 4,453
[4,453 (4.76% / 4.77%)] [52,122 / 45,638 (55.86%)]
18.5C - 19.4C 18.5C - 19.4C = 4,869
[4,869 (5.21% / 5.22%)] [56,991 / 41,185 (61.08%)]
19.5C - 20.4C 19.5C - 20.4C = 4,631
[4,631 (4.95% / 4.96%)] [61,622 / 36,316 (66.04%)]
20.5C - 21.4C 20.5C - 21.4C = 4,659
[4,659 (4.98% / 4.99%)] [66,281 / 31,685 (71.04%)]
21.5C - 22.4C 21.5C - 22.4C = 4,049
[4,049 (4.33% / 4.34%)] [70,330 / 27,026 (75.37%)]
22.5C - 23.4C 22.5C - 23.4C = 3,952
[3,952 (4.23% / 4.24%)] [74,282 / 22,977 (79.61%)]
23.5C - 24.4C 23.5C - 24.4C = 3,956
[3,956 (4.23% / 4.24%)] [78,238 / 19,025 (83.85%)]
24.5C - 25.4C 24.5C - 25.4C = 3,624
[3,624 (3.88% / 3.88%)] [81,862 / 15,069 (87.73%)]
25.5C - 26.4C 25.5C - 26.4C = 3,533
[3,533 (3.78% / 3.79%)] [85,395 / 11,445 (91.52%)]
26.5C - 27.4C 26.5C - 27.4C = 3,032
[3,032 (3.24% / 3.25%)] [88,427 / 7,912 (94.77%)]
27.5C - 28.4C 27.5C - 28.4C = 2,169
[2,169 (2.32% / 2.32%)] [90,596 / 4,880 (97.09%)]
28.5C - 29.4C 28.5C - 29.4C = 1,416
[1,416 (1.51% / 1.52%)] [92,012 / 2,711 (98.61%)]
29.5C - 30.4C 29.5C - 30.4C = 906
[906 (0.97% / 0.97%)] [92,918 / 1,295 (99.58%)]
30.5C - 31.4C 30.5C - 31.4C = 340
[340 (0.36% / 0.36%)] [93,258 / 389 (99.95%)]
31.5C - 32.4C 31.5C - 32.4C = 47
[47 (0.05% / 0.05%)] [93,305 / 49 (100.00%)]
32.5C - 33.4C 32.5C - 33.4C = 2
[2 (0.00% / 0.00%)] [93,307 / 2 (100.00%)]

Missing observations (164 / 0.18%)