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 140
Number of Observations 102,255
Period of Observations
Period Name Lat. Long. Height Anemometer
2003/01/01 -- 2016/08/99 OSHIMA-KITANOYAMA 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 = 93,850
[93,850 (91.78% / 92.00%)] [93,850 / 102,011 (92.00%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 3,792
[3,792 (3.71% / 3.72%)] [97,642 / 8,161 (95.72%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 1,544
[1,544 (1.51% / 1.51%)] [99,186 / 4,369 (97.23%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 811
[811 (0.79% / 0.80%)] [99,997 / 2,825 (98.03%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 550
[550 (0.54% / 0.54%)] [100,547 / 2,014 (98.56%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 344
[344 (0.34% / 0.34%)] [100,891 / 1,464 (98.90%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 250
[250 (0.24% / 0.25%)] [101,141 / 1,120 (99.15%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 169
[169 (0.17% / 0.17%)] [101,310 / 870 (99.31%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 117
[117 (0.11% / 0.11%)] [101,427 / 701 (99.43%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 104
[104 (0.10% / 0.10%)] [101,531 / 584 (99.53%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 83
[83 (0.08% / 0.08%)] [101,614 / 480 (99.61%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 59
[59 (0.06% / 0.06%)] [101,673 / 397 (99.67%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 66
[66 (0.06% / 0.06%)] [101,739 / 338 (99.73%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 29
[29 (0.03% / 0.03%)] [101,768 / 272 (99.76%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 32
[32 (0.03% / 0.03%)] [101,800 / 243 (99.79%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 39
[39 (0.04% / 0.04%)] [101,839 / 211 (99.83%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 24
[24 (0.02% / 0.02%)] [101,863 / 172 (99.85%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 21
[21 (0.02% / 0.02%)] [101,884 / 148 (99.88%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 16
[16 (0.02% / 0.02%)] [101,900 / 127 (99.89%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 18
[18 (0.02% / 0.02%)] [101,918 / 111 (99.91%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 16
[16 (0.02% / 0.02%)] [101,934 / 93 (99.92%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 4
[4 (0.00% / 0.00%)] [101,938 / 77 (99.93%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 7
[7 (0.01% / 0.01%)] [101,945 / 73 (99.94%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 5
[5 (0.00% / 0.00%)] [101,950 / 66 (99.94%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 8
[8 (0.01% / 0.01%)] [101,958 / 61 (99.95%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 5
[5 (0.00% / 0.00%)] [101,963 / 53 (99.95%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 3
[3 (0.00% / 0.00%)] [101,966 / 48 (99.96%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 4
[4 (0.00% / 0.00%)] [101,970 / 45 (99.96%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 5
[5 (0.00% / 0.00%)] [101,975 / 41 (99.96%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 3
[3 (0.00% / 0.00%)] [101,978 / 36 (99.97%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 2
[2 (0.00% / 0.00%)] [101,980 / 33 (99.97%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 1
[1 (0.00% / 0.00%)] [101,981 / 31 (99.97%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 4
[4 (0.00% / 0.00%)] [101,985 / 30 (99.97%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 4
[4 (0.00% / 0.00%)] [101,989 / 26 (99.98%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 2
[2 (0.00% / 0.00%)] [101,991 / 22 (99.98%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 3
[3 (0.00% / 0.00%)] [101,994 / 20 (99.98%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 2
[2 (0.00% / 0.00%)] [101,996 / 17 (99.99%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 1
[1 (0.00% / 0.00%)] [101,997 / 15 (99.99%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 2
[2 (0.00% / 0.00%)] [101,999 / 14 (99.99%)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 2
[2 (0.00% / 0.00%)] [102,001 / 12 (99.99%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 3
[3 (0.00% / 0.00%)] [102,004 / 10 (99.99%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 1
[1 (0.00% / 0.00%)] [102,005 / 7 (99.99%)]
51.5mm - 52.4mm 51.5mm - 52.4mm = 1
[1 (0.00% / 0.00%)] [102,006 / 6 (100.00%)]
52.5mm - 53.4mm 52.5mm - 53.4mm = 1
[1 (0.00% / 0.00%)] [102,007 / 5 (100.00%)]
56.5mm - 57.4mm 56.5mm - 57.4mm = 1
[1 (0.00% / 0.00%)] [102,008 / 4 (100.00%)]
57.5mm - 58.4mm 57.5mm - 58.4mm = 1
[1 (0.00% / 0.00%)] [102,009 / 3 (100.00%)]
61.5mm - 62.4mm 61.5mm - 62.4mm = 1
[1 (0.00% / 0.00%)] [102,010 / 2 (100.00%)]
69.5mm - 70.4mm 69.5mm - 70.4mm = 1
[1 (0.00% / 0.00%)] [102,011 / 1 (100.00%)]

Missing observations (244 / 0.24%)

Wind Direction

Calm Calm = 112
[112 (0.11% / 0.11%)] [0 / 0 (NA)]
NNE NNE = 9,978
[9,978 (9.76% / 9.78%)] [0 / 0 (NA)]
NE NE = 24,187
[24,187 (23.65% / 23.70%)] [0 / 0 (NA)]
ENE ENE = 8,009
[8,009 (7.83% / 7.85%)] [0 / 0 (NA)]
E E = 5,623
[5,623 (5.50% / 5.51%)] [0 / 0 (NA)]
ESE ESE = 3,245
[3,245 (3.17% / 3.18%)] [0 / 0 (NA)]
SE SE = 3,502
[3,502 (3.42% / 3.43%)] [0 / 0 (NA)]
SSE SSE = 1,767
[1,767 (1.73% / 1.73%)] [0 / 0 (NA)]
S S = 4,114
[4,114 (4.02% / 4.03%)] [0 / 0 (NA)]
SSW SSW = 17,330
[17,330 (16.95% / 16.98%)] [0 / 0 (NA)]
SW SW = 12,314
[12,314 (12.04% / 12.06%)] [0 / 0 (NA)]
WSW WSW = 6,748
[6,748 (6.60% / 6.61%)] [0 / 0 (NA)]
W W = 1,404
[1,404 (1.37% / 1.38%)] [0 / 0 (NA)]
WNW WNW = 611
[611 (0.60% / 0.60%)] [0 / 0 (NA)]
NW NW = 676
[676 (0.66% / 0.66%)] [0 / 0 (NA)]
NNW NNW = 793
[793 (0.78% / 0.78%)] [0 / 0 (NA)]
N N = 1,652
[1,652 (1.62% / 1.62%)] [0 / 0 (NA)]

Missing observations (190 / 0.19%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 267
[267 (0.26% / 0.26%)] [267 / 102,065 (0.26%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 4,799
[4,799 (4.69% / 4.70%)] [5,066 / 101,798 (4.96%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 10,977
[10,977 (10.73% / 10.75%)] [16,043 / 96,999 (15.72%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 13,443
[13,443 (13.15% / 13.17%)] [29,486 / 86,022 (28.89%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 11,986
[11,986 (11.72% / 11.74%)] [41,472 / 72,579 (40.63%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 12,639
[12,639 (12.36% / 12.38%)] [54,111 / 60,593 (53.02%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 12,931
[12,931 (12.65% / 12.67%)] [67,042 / 47,954 (65.69%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 11,437
[11,437 (11.18% / 11.21%)] [78,479 / 35,023 (76.89%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 9,121
[9,121 (8.92% / 8.94%)] [87,600 / 23,586 (85.83%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 6,082
[6,082 (5.95% / 5.96%)] [93,682 / 14,465 (91.79%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 3,606
[3,606 (3.53% / 3.53%)] [97,288 / 8,383 (95.32%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 1,969
[1,969 (1.93% / 1.93%)] [99,257 / 4,777 (97.25%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 1,058
[1,058 (1.03% / 1.04%)] [100,315 / 2,808 (98.29%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 694
[694 (0.68% / 0.68%)] [101,009 / 1,750 (98.97%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 459
[459 (0.45% / 0.45%)] [101,468 / 1,056 (99.42%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 273
[273 (0.27% / 0.27%)] [101,741 / 597 (99.68%)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 132
[132 (0.13% / 0.13%)] [101,873 / 324 (99.81%)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 78
[78 (0.08% / 0.08%)] [101,951 / 192 (99.89%)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 38
[38 (0.04% / 0.04%)] [101,989 / 114 (99.93%)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 39
[39 (0.04% / 0.04%)] [102,028 / 76 (99.96%)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 11
[11 (0.01% / 0.01%)] [102,039 / 37 (99.97%)]
20.5m/s - 21.4m/s 20.5m/s - 21.4m/s = 15
[15 (0.01% / 0.01%)] [102,054 / 26 (99.99%)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 4
[4 (0.00% / 0.00%)] [102,058 / 11 (99.99%)]
22.5m/s - 23.4m/s 22.5m/s - 23.4m/s = 3
[3 (0.00% / 0.00%)] [102,061 / 7 (100.00%)]
23.5m/s - 24.4m/s 23.5m/s - 24.4m/s = 1
[1 (0.00% / 0.00%)] [102,062 / 4 (100.00%)]
25.5m/s - 26.4m/s 25.5m/s - 26.4m/s = 3
[3 (0.00% / 0.00%)] [102,065 / 3 (100.00%)]

Missing observations (190 / 0.19%)

Temperature

-1.5C - -0.6C -1.5C - -0.6C = 1
[1 (0.00% / 0.00%)] [1 / 102,083 (0.00%)]
-0.5C - 0.4C -0.5C - 0.4C = 23
[23 (0.02% / 0.02%)] [24 / 102,082 (0.02%)]
0.5C - 1.4C 0.5C - 1.4C = 70
[70 (0.07% / 0.07%)] [94 / 102,059 (0.09%)]
1.5C - 2.4C 1.5C - 2.4C = 215
[215 (0.21% / 0.21%)] [309 / 101,989 (0.30%)]
2.5C - 3.4C 2.5C - 3.4C = 619
[619 (0.61% / 0.61%)] [928 / 101,774 (0.91%)]
3.5C - 4.4C 3.5C - 4.4C = 1,161
[1,161 (1.14% / 1.14%)] [2,089 / 101,155 (2.05%)]
4.5C - 5.4C 4.5C - 5.4C = 2,205
[2,205 (2.16% / 2.16%)] [4,294 / 99,994 (4.21%)]
5.5C - 6.4C 5.5C - 6.4C = 2,933
[2,933 (2.87% / 2.87%)] [7,227 / 97,789 (7.08%)]
6.5C - 7.4C 6.5C - 7.4C = 3,927
[3,927 (3.84% / 3.85%)] [11,154 / 94,856 (10.93%)]
7.5C - 8.4C 7.5C - 8.4C = 4,114
[4,114 (4.02% / 4.03%)] [15,268 / 90,929 (14.96%)]
8.5C - 9.4C 8.5C - 9.4C = 4,539
[4,539 (4.44% / 4.45%)] [19,807 / 86,815 (19.40%)]
9.5C - 10.4C 9.5C - 10.4C = 4,306
[4,306 (4.21% / 4.22%)] [24,113 / 82,276 (23.62%)]
10.5C - 11.4C 10.5C - 11.4C = 4,110
[4,110 (4.02% / 4.03%)] [28,223 / 77,970 (27.65%)]
11.5C - 12.4C 11.5C - 12.4C = 3,942
[3,942 (3.86% / 3.86%)] [32,165 / 73,860 (31.51%)]
12.5C - 13.4C 12.5C - 13.4C = 3,714
[3,714 (3.63% / 3.64%)] [35,879 / 69,918 (35.15%)]
13.5C - 14.4C 13.5C - 14.4C = 3,650
[3,650 (3.57% / 3.58%)] [39,529 / 66,204 (38.72%)]
14.5C - 15.4C 14.5C - 15.4C = 3,939
[3,939 (3.85% / 3.86%)] [43,468 / 62,554 (42.58%)]
15.5C - 16.4C 15.5C - 16.4C = 4,083
[4,083 (3.99% / 4.00%)] [47,551 / 58,615 (46.58%)]
16.5C - 17.4C 16.5C - 17.4C = 4,372
[4,372 (4.28% / 4.28%)] [51,923 / 54,532 (50.86%)]
17.5C - 18.4C 17.5C - 18.4C = 4,953
[4,953 (4.84% / 4.85%)] [56,876 / 50,160 (55.72%)]
18.5C - 19.4C 18.5C - 19.4C = 5,371
[5,371 (5.25% / 5.26%)] [62,247 / 45,207 (60.98%)]
19.5C - 20.4C 19.5C - 20.4C = 5,081
[5,081 (4.97% / 4.98%)] [67,328 / 39,836 (65.95%)]
20.5C - 21.4C 20.5C - 21.4C = 5,175
[5,175 (5.06% / 5.07%)] [72,503 / 34,755 (71.02%)]
21.5C - 22.4C 21.5C - 22.4C = 4,542
[4,542 (4.44% / 4.45%)] [77,045 / 29,580 (75.47%)]
22.5C - 23.4C 22.5C - 23.4C = 4,350
[4,350 (4.25% / 4.26%)] [81,395 / 25,038 (79.73%)]
23.5C - 24.4C 23.5C - 24.4C = 4,344
[4,344 (4.25% / 4.26%)] [85,739 / 20,688 (83.99%)]
24.5C - 25.4C 24.5C - 25.4C = 4,036
[4,036 (3.95% / 3.95%)] [89,775 / 16,344 (87.94%)]
25.5C - 26.4C 25.5C - 26.4C = 3,861
[3,861 (3.78% / 3.78%)] [93,636 / 12,308 (91.73%)]
26.5C - 27.4C 26.5C - 27.4C = 3,275
[3,275 (3.20% / 3.21%)] [96,911 / 8,447 (94.93%)]
27.5C - 28.4C 27.5C - 28.4C = 2,306
[2,306 (2.26% / 2.26%)] [99,217 / 5,172 (97.19%)]
28.5C - 29.4C 28.5C - 29.4C = 1,507
[1,507 (1.47% / 1.48%)] [100,724 / 2,866 (98.67%)]
29.5C - 30.4C 29.5C - 30.4C = 953
[953 (0.93% / 0.93%)] [101,677 / 1,359 (99.60%)]
30.5C - 31.4C 30.5C - 31.4C = 355
[355 (0.35% / 0.35%)] [102,032 / 406 (99.95%)]
31.5C - 32.4C 31.5C - 32.4C = 49
[49 (0.05% / 0.05%)] [102,081 / 51 (100.00%)]
32.5C - 33.4C 32.5C - 33.4C = 2
[2 (0.00% / 0.00%)] [102,083 / 2 (100.00%)]

Missing observations (172 / 0.17%)