Station Number 44356
Prefecture Tokyo [ Local Portal ]
Location 東京都小笠原村南鳥島 南鳥島気象観測所 (OGASAWARA MURA, TOKYO TO)
Months of Observations 82
Number of Observations 59,904
Period of Observations
Period Name Lat. Long. Height Anemometer
2010/06/01 -- 2017/03/99 MINAMITORISHIMA 24.288N 153.983E 7m 15.8m
Real-time Data AMeRAS (AMeDAS Ranking Service)
Past Heavy Rain Data AMeDAS heavy rain
Typhoon History
Neighbor Stations
Number Name Distance Azimuth

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 56,819
[56,819 (94.85% / 94.89%)] [56,819 / 59,881 (94.89%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 1,618
[1,618 (2.70% / 2.70%)] [58,437 / 3,062 (97.59%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 485
[485 (0.81% / 0.81%)] [58,922 / 1,444 (98.40%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 288
[288 (0.48% / 0.48%)] [59,210 / 959 (98.88%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 164
[164 (0.27% / 0.27%)] [59,374 / 671 (99.15%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 113
[113 (0.19% / 0.19%)] [59,487 / 507 (99.34%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 95
[95 (0.16% / 0.16%)] [59,582 / 394 (99.50%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 59
[59 (0.10% / 0.10%)] [59,641 / 299 (99.60%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 36
[36 (0.06% / 0.06%)] [59,677 / 240 (99.66%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 35
[35 (0.06% / 0.06%)] [59,712 / 204 (99.72%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 24
[24 (0.04% / 0.04%)] [59,736 / 169 (99.76%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 27
[27 (0.05% / 0.05%)] [59,763 / 145 (99.80%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 16
[16 (0.03% / 0.03%)] [59,779 / 118 (99.83%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 16
[16 (0.03% / 0.03%)] [59,795 / 102 (99.86%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 14
[14 (0.02% / 0.02%)] [59,809 / 86 (99.88%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 6
[6 (0.01% / 0.01%)] [59,815 / 72 (99.89%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 14
[14 (0.02% / 0.02%)] [59,829 / 66 (99.91%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 7
[7 (0.01% / 0.01%)] [59,836 / 52 (99.92%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 3
[3 (0.01% / 0.01%)] [59,839 / 45 (99.93%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 9
[9 (0.02% / 0.02%)] [59,848 / 42 (99.94%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 5
[5 (0.01% / 0.01%)] [59,853 / 33 (99.95%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 4
[4 (0.01% / 0.01%)] [59,857 / 28 (99.96%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 3
[3 (0.01% / 0.01%)] [59,860 / 24 (99.96%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 6
[6 (0.01% / 0.01%)] [59,866 / 21 (99.97%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 2
[2 (0.00% / 0.00%)] [59,868 / 15 (99.98%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 2
[2 (0.00% / 0.00%)] [59,870 / 13 (99.98%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 2
[2 (0.00% / 0.00%)] [59,872 / 11 (99.98%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 1
[1 (0.00% / 0.00%)] [59,873 / 9 (99.99%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 1
[1 (0.00% / 0.00%)] [59,874 / 8 (99.99%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 1
[1 (0.00% / 0.00%)] [59,875 / 7 (99.99%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 1
[1 (0.00% / 0.00%)] [59,876 / 6 (99.99%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 2
[2 (0.00% / 0.00%)] [59,878 / 5 (99.99%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 1
[1 (0.00% / 0.00%)] [59,879 / 3 (100.00%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 2
[2 (0.00% / 0.00%)] [59,881 / 2 (100.00%)]

Missing observations (23 / 0.04%)

Wind Direction

Calm Calm = 51
[51 (0.09% / 0.09%)] [0 / 0 (NA)]
NNE NNE = 3,889
[3,889 (6.49% / 6.50%)] [0 / 0 (NA)]
NE NE = 5,458
[5,458 (9.11% / 9.12%)] [0 / 0 (NA)]
ENE ENE = 8,352
[8,352 (13.94% / 13.95%)] [0 / 0 (NA)]
E E = 9,233
[9,233 (15.41% / 15.42%)] [0 / 0 (NA)]
ESE ESE = 7,029
[7,029 (11.73% / 11.74%)] [0 / 0 (NA)]
SE SE = 4,763
[4,763 (7.95% / 7.96%)] [0 / 0 (NA)]
SSE SSE = 2,906
[2,906 (4.85% / 4.85%)] [0 / 0 (NA)]
S S = 2,701
[2,701 (4.51% / 4.51%)] [0 / 0 (NA)]
SSW SSW = 3,888
[3,888 (6.49% / 6.49%)] [0 / 0 (NA)]
SW SW = 2,664
[2,664 (4.45% / 4.45%)] [0 / 0 (NA)]
WSW WSW = 1,313
[1,313 (2.19% / 2.19%)] [0 / 0 (NA)]
W W = 1,197
[1,197 (2.00% / 2.00%)] [0 / 0 (NA)]
WNW WNW = 956
[956 (1.60% / 1.60%)] [0 / 0 (NA)]
NW NW = 1,323
[1,323 (2.21% / 2.21%)] [0 / 0 (NA)]
NNW NNW = 1,766
[1,766 (2.95% / 2.95%)] [0 / 0 (NA)]
N N = 2,380
[2,380 (3.97% / 3.98%)] [0 / 0 (NA)]

Missing observations (35 / 0.06%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 116
[116 (0.19% / 0.19%)] [116 / 59,865 (0.19%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 1,469
[1,469 (2.45% / 2.45%)] [1,585 / 59,749 (2.65%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 4,313
[4,313 (7.20% / 7.20%)] [5,898 / 58,280 (9.85%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 6,973
[6,973 (11.64% / 11.65%)] [12,871 / 53,967 (21.50%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 8,475
[8,475 (14.15% / 14.16%)] [21,346 / 46,994 (35.66%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 8,686
[8,686 (14.50% / 14.51%)] [30,032 / 38,519 (50.17%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 8,081
[8,081 (13.49% / 13.50%)] [38,113 / 29,833 (63.66%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 6,991
[6,991 (11.67% / 11.68%)] [45,104 / 21,752 (75.34%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 5,684
[5,684 (9.49% / 9.49%)] [50,788 / 14,761 (84.84%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 4,088
[4,088 (6.82% / 6.83%)] [54,876 / 9,077 (91.67%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 2,471
[2,471 (4.12% / 4.13%)] [57,347 / 4,989 (95.79%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 1,360
[1,360 (2.27% / 2.27%)] [58,707 / 2,518 (98.07%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 632
[632 (1.06% / 1.06%)] [59,339 / 1,158 (99.12%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 276
[276 (0.46% / 0.46%)] [59,615 / 526 (99.58%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 103
[103 (0.17% / 0.17%)] [59,718 / 250 (99.75%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 52
[52 (0.09% / 0.09%)] [59,770 / 147 (99.84%)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 23
[23 (0.04% / 0.04%)] [59,793 / 95 (99.88%)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 12
[12 (0.02% / 0.02%)] [59,805 / 72 (99.90%)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 18
[18 (0.03% / 0.03%)] [59,823 / 60 (99.93%)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 16
[16 (0.03% / 0.03%)] [59,839 / 42 (99.96%)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 9
[9 (0.02% / 0.02%)] [59,848 / 26 (99.97%)]
20.5m/s - 21.4m/s 20.5m/s - 21.4m/s = 6
[6 (0.01% / 0.01%)] [59,854 / 17 (99.98%)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 5
[5 (0.01% / 0.01%)] [59,859 / 11 (99.99%)]
22.5m/s - 23.4m/s 22.5m/s - 23.4m/s = 6
[6 (0.01% / 0.01%)] [59,865 / 6 (100.00%)]

Missing observations (39 / 0.07%)

Temperature

15.5C - 16.4C 15.5C - 16.4C = 4
[4 (0.01% / 0.01%)] [4 / 59,891 (0.01%)]
16.5C - 17.4C 16.5C - 17.4C = 59
[59 (0.10% / 0.10%)] [63 / 59,887 (0.11%)]
17.5C - 18.4C 17.5C - 18.4C = 320
[320 (0.53% / 0.53%)] [383 / 59,828 (0.64%)]
18.5C - 19.4C 18.5C - 19.4C = 919
[919 (1.53% / 1.53%)] [1,302 / 59,508 (2.17%)]
19.5C - 20.4C 19.5C - 20.4C = 1,990
[1,990 (3.32% / 3.32%)] [3,292 / 58,589 (5.50%)]
20.5C - 21.4C 20.5C - 21.4C = 3,371
[3,371 (5.63% / 5.63%)] [6,663 / 56,599 (11.13%)]
21.5C - 22.4C 21.5C - 22.4C = 4,352
[4,352 (7.26% / 7.27%)] [11,015 / 53,228 (18.39%)]
22.5C - 23.4C 22.5C - 23.4C = 4,639
[4,639 (7.74% / 7.75%)] [15,654 / 48,876 (26.14%)]
23.5C - 24.4C 23.5C - 24.4C = 4,752
[4,752 (7.93% / 7.93%)] [20,406 / 44,237 (34.07%)]
24.5C - 25.4C 24.5C - 25.4C = 5,184
[5,184 (8.65% / 8.66%)] [25,590 / 39,485 (42.73%)]
25.5C - 26.4C 25.5C - 26.4C = 6,414
[6,414 (10.71% / 10.71%)] [32,004 / 34,301 (53.44%)]
26.5C - 27.4C 26.5C - 27.4C = 7,963
[7,963 (13.29% / 13.30%)] [39,967 / 27,887 (66.73%)]
27.5C - 28.4C 27.5C - 28.4C = 9,196
[9,196 (15.35% / 15.35%)] [49,163 / 19,924 (82.09%)]
28.5C - 29.4C 28.5C - 29.4C = 5,921
[5,921 (9.88% / 9.89%)] [55,084 / 10,728 (91.97%)]
29.5C - 30.4C 29.5C - 30.4C = 3,196
[3,196 (5.34% / 5.34%)] [58,280 / 4,807 (97.31%)]
30.5C - 31.4C 30.5C - 31.4C = 1,377
[1,377 (2.30% / 2.30%)] [59,657 / 1,611 (99.61%)]
31.5C - 32.4C 31.5C - 32.4C = 219
[219 (0.37% / 0.37%)] [59,876 / 234 (99.97%)]
32.5C - 33.4C 32.5C - 33.4C = 13
[13 (0.02% / 0.02%)] [59,889 / 15 (100.00%)]
33.5C - 34.4C 33.5C - 34.4C = 2
[2 (0.00% / 0.00%)] [59,891 / 2 (100.00%)]

Missing observations (13 / 0.02%)

Sunshine Duration

0.0h 0.0h = 34,735
[34,735 (57.98% / 58.07%)] [34,735 / 59,813 (58.07%)]
0.1h 0.1h = 1,585
[1,585 (2.65% / 2.65%)] [36,320 / 25,078 (60.72%)]
0.2h 0.2h = 1,197
[1,197 (2.00% / 2.00%)] [37,517 / 23,493 (62.72%)]
0.3h 0.3h = 1,238
[1,238 (2.07% / 2.07%)] [38,755 / 22,296 (64.79%)]
0.4h 0.4h = 1,098
[1,098 (1.83% / 1.84%)] [39,853 / 21,058 (66.63%)]
0.5h 0.5h = 1,185
[1,185 (1.98% / 1.98%)] [41,038 / 19,960 (68.61%)]
0.6h 0.6h = 1,317
[1,317 (2.20% / 2.20%)] [42,355 / 18,775 (70.81%)]
0.7h 0.7h = 1,551
[1,551 (2.59% / 2.59%)] [43,906 / 17,458 (73.41%)]
0.8h 0.8h = 2,117
[2,117 (3.53% / 3.54%)] [46,023 / 15,907 (76.94%)]
0.9h 0.9h = 3,460
[3,460 (5.78% / 5.78%)] [49,483 / 13,790 (82.73%)]
1.0h 1.0h = 10,330
[10,330 (17.24% / 17.27%)] [59,813 / 10,330 (100.00%)]

Missing observations (91 / 0.15%)