Station Number 44261
Prefecture Tokyo [ Local Portal ]
Location
Months of Observations 332
Number of Observations 242,442
Period of Observations
Period Name Lat. Long. Height Anemometer
1974/11/01 -- 1975/03/12 HACHIJOJIMA 33.103N 139.783E 79m 0.0m
1975/03/13 -- 1985/12/31 HACHIJOJIMA 33.103N 139.783E 79m 13.6m
1986/01/01 -- 2003/08/28 HACHIJOJIMA 33.103N 139.783E 79m 13.6m
Past Heavy Rain Data AMeDAS heavy rain
Weather Disaster Reports
Typhoon History
Neighbor Stations
Number Name Distance Azimuth
44262 YAEMIGAHARA (Tokyo) 1.34km 7deg.
44263 HACHIJOJIMA (Tokyo) 2.16km 347deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 217,441
[217,441 (89.69% / 89.69%)] [217,441 / 242,436 (89.69%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 10,737
[10,737 (4.43% / 4.43%)] [228,178 / 24,995 (94.12%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,515
[4,515 (1.86% / 1.86%)] [232,693 / 14,258 (95.98%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,656
[2,656 (1.10% / 1.10%)] [235,349 / 9,743 (97.08%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,730
[1,730 (0.71% / 0.71%)] [237,079 / 7,087 (97.79%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 1,171
[1,171 (0.48% / 0.48%)] [238,250 / 5,357 (98.27%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 857
[857 (0.35% / 0.35%)] [239,107 / 4,186 (98.63%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 651
[651 (0.27% / 0.27%)] [239,758 / 3,329 (98.90%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 483
[483 (0.20% / 0.20%)] [240,241 / 2,678 (99.09%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 383
[383 (0.16% / 0.16%)] [240,624 / 2,195 (99.25%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 300
[300 (0.12% / 0.12%)] [240,924 / 1,812 (99.38%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 222
[222 (0.09% / 0.09%)] [241,146 / 1,512 (99.47%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 206
[206 (0.08% / 0.08%)] [241,352 / 1,290 (99.55%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 155
[155 (0.06% / 0.06%)] [241,507 / 1,084 (99.62%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 118
[118 (0.05% / 0.05%)] [241,625 / 929 (99.67%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 109
[109 (0.04% / 0.04%)] [241,734 / 811 (99.71%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 95
[95 (0.04% / 0.04%)] [241,829 / 702 (99.75%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 77
[77 (0.03% / 0.03%)] [241,906 / 607 (99.78%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 61
[61 (0.03% / 0.03%)] [241,967 / 530 (99.81%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 38
[38 (0.02% / 0.02%)] [242,005 / 469 (99.82%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 41
[41 (0.02% / 0.02%)] [242,046 / 431 (99.84%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 49
[49 (0.02% / 0.02%)] [242,095 / 390 (99.86%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 45
[45 (0.02% / 0.02%)] [242,140 / 341 (99.88%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 33
[33 (0.01% / 0.01%)] [242,173 / 296 (99.89%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 28
[28 (0.01% / 0.01%)] [242,201 / 263 (99.90%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 25
[25 (0.01% / 0.01%)] [242,226 / 235 (99.91%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 22
[22 (0.01% / 0.01%)] [242,248 / 210 (99.92%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 19
[19 (0.01% / 0.01%)] [242,267 / 188 (99.93%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 24
[24 (0.01% / 0.01%)] [242,291 / 169 (99.94%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 15
[15 (0.01% / 0.01%)] [242,306 / 145 (99.95%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 17
[17 (0.01% / 0.01%)] [242,323 / 130 (99.95%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 13
[13 (0.01% / 0.01%)] [242,336 / 113 (99.96%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 10
[10 (0.00% / 0.00%)] [242,346 / 100 (99.96%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 7
[7 (0.00% / 0.00%)] [242,353 / 90 (99.97%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 8
[8 (0.00% / 0.00%)] [242,361 / 83 (99.97%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 7
[7 (0.00% / 0.00%)] [242,368 / 75 (99.97%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 6
[6 (0.00% / 0.00%)] [242,374 / 68 (99.97%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 6
[6 (0.00% / 0.00%)] [242,380 / 62 (99.98%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 2
[2 (0.00% / 0.00%)] [242,382 / 56 (99.98%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 8
[8 (0.00% / 0.00%)] [242,390 / 54 (99.98%)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 7
[7 (0.00% / 0.00%)] [242,397 / 46 (99.98%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 4
[4 (0.00% / 0.00%)] [242,401 / 39 (99.99%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 6
[6 (0.00% / 0.00%)] [242,407 / 35 (99.99%)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 3
[3 (0.00% / 0.00%)] [242,410 / 29 (99.99%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 3
[3 (0.00% / 0.00%)] [242,413 / 26 (99.99%)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 1
[1 (0.00% / 0.00%)] [242,414 / 23 (99.99%)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 2
[2 (0.00% / 0.00%)] [242,416 / 22 (99.99%)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [242,417 / 20 (99.99%)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [242,418 / 19 (99.99%)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 1
[1 (0.00% / 0.00%)] [242,419 / 18 (99.99%)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [242,420 / 17 (99.99%)]
50.5mm - 51.4mm 50.5mm - 51.4mm = 1
[1 (0.00% / 0.00%)] [242,421 / 16 (99.99%)]
52.5mm - 53.4mm 52.5mm - 53.4mm = 2
[2 (0.00% / 0.00%)] [242,423 / 15 (99.99%)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 3
[3 (0.00% / 0.00%)] [242,426 / 13 (100.00%)]
55.5mm - 56.4mm 55.5mm - 56.4mm = 1
[1 (0.00% / 0.00%)] [242,427 / 10 (100.00%)]
58.5mm - 59.4mm 58.5mm - 59.4mm = 1
[1 (0.00% / 0.00%)] [242,428 / 9 (100.00%)]
61.5mm - 62.4mm 61.5mm - 62.4mm = 1
[1 (0.00% / 0.00%)] [242,429 / 8 (100.00%)]
63.5mm - 64.4mm 63.5mm - 64.4mm = 2
[2 (0.00% / 0.00%)] [242,431 / 7 (100.00%)]
64.5mm - 65.4mm 64.5mm - 65.4mm = 1
[1 (0.00% / 0.00%)] [242,432 / 5 (100.00%)]
65.5mm - 66.4mm 65.5mm - 66.4mm = 2
[2 (0.00% / 0.00%)] [242,434 / 4 (100.00%)]
75.5mm - 76.4mm 75.5mm - 76.4mm = 1
[1 (0.00% / 0.00%)] [242,435 / 2 (100.00%)]
119.5mm - 120.4mm 119.5mm - 120.4mm = 1
[1 (0.00% / 0.00%)] [242,436 / 1 (100.00%)]

Missing observations (6 / 0.00%)

Wind Direction

Calm Calm = 2,069
[2,069 (0.85% / 0.85%)] [0 / 0 (NA)]
NNE NNE = 4,079
[4,079 (1.68% / 1.68%)] [0 / 0 (NA)]
NE NE = 22,302
[22,302 (9.20% / 9.20%)] [0 / 0 (NA)]
ENE ENE = 37,668
[37,668 (15.54% / 15.54%)] [0 / 0 (NA)]
E E = 15,992
[15,992 (6.60% / 6.60%)] [0 / 0 (NA)]
ESE ESE = 5,163
[5,163 (2.13% / 2.13%)] [0 / 0 (NA)]
SE SE = 2,599
[2,599 (1.07% / 1.07%)] [0 / 0 (NA)]
SSE SSE = 3,663
[3,663 (1.51% / 1.51%)] [0 / 0 (NA)]
S S = 7,856
[7,856 (3.24% / 3.24%)] [0 / 0 (NA)]
SSW SSW = 11,617
[11,617 (4.79% / 4.79%)] [0 / 0 (NA)]
SW SW = 26,267
[26,267 (10.83% / 10.84%)] [0 / 0 (NA)]
WSW WSW = 17,443
[17,443 (7.19% / 7.20%)] [0 / 0 (NA)]
W W = 59,121
[59,121 (24.39% / 24.39%)] [0 / 0 (NA)]
WNW WNW = 19,875
[19,875 (8.20% / 8.20%)] [0 / 0 (NA)]
NW NW = 3,032
[3,032 (1.25% / 1.25%)] [0 / 0 (NA)]
NNW NNW = 1,776
[1,776 (0.73% / 0.73%)] [0 / 0 (NA)]
N N = 1,886
[1,886 (0.78% / 0.78%)] [0 / 0 (NA)]

Missing observations (34 / 0.01%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 2,069
[2,069 (0.85% / 0.85%)] [2,069 / 242,401 (0.85%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 14,421
[14,421 (5.95% / 5.95%)] [16,490 / 240,332 (6.80%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 25,217
[25,217 (10.40% / 10.40%)] [41,707 / 225,911 (17.21%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 27,570
[27,570 (11.37% / 11.37%)] [69,277 / 200,694 (28.58%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 30,119
[30,119 (12.42% / 12.43%)] [99,396 / 173,124 (41.00%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 30,095
[30,095 (12.41% / 12.42%)] [129,491 / 143,005 (53.42%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 27,685
[27,685 (11.42% / 11.42%)] [157,176 / 112,910 (64.84%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 24,138
[24,138 (9.96% / 9.96%)] [181,314 / 85,225 (74.80%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 19,352
[19,352 (7.98% / 7.98%)] [200,666 / 61,087 (82.78%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 14,774
[14,774 (6.09% / 6.09%)] [215,440 / 41,735 (88.88%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 10,263
[10,263 (4.23% / 4.23%)] [225,703 / 26,961 (93.11%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 6,705
[6,705 (2.77% / 2.77%)] [232,408 / 16,698 (95.88%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 4,179
[4,179 (1.72% / 1.72%)] [236,587 / 9,993 (97.60%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 2,471
[2,471 (1.02% / 1.02%)] [239,058 / 5,814 (98.62%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 1,453
[1,453 (0.60% / 0.60%)] [240,511 / 3,343 (99.22%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 840
[840 (0.35% / 0.35%)] [241,351 / 1,890 (99.57%)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 460
[460 (0.19% / 0.19%)] [241,811 / 1,050 (99.76%)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 277
[277 (0.11% / 0.11%)] [242,088 / 590 (99.87%)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 120
[120 (0.05% / 0.05%)] [242,208 / 313 (99.92%)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 82
[82 (0.03% / 0.03%)] [242,290 / 193 (99.95%)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 42
[42 (0.02% / 0.02%)] [242,332 / 111 (99.97%)]
20.5m/s - 21.4m/s 20.5m/s - 21.4m/s = 35
[35 (0.01% / 0.01%)] [242,367 / 69 (99.99%)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 11
[11 (0.00% / 0.00%)] [242,378 / 34 (99.99%)]
22.5m/s - 23.4m/s 22.5m/s - 23.4m/s = 7
[7 (0.00% / 0.00%)] [242,385 / 23 (99.99%)]
23.5m/s - 24.4m/s 23.5m/s - 24.4m/s = 7
[7 (0.00% / 0.00%)] [242,392 / 16 (100.00%)]
24.5m/s - 25.4m/s 24.5m/s - 25.4m/s = 3
[3 (0.00% / 0.00%)] [242,395 / 9 (100.00%)]
26.5m/s - 27.4m/s 26.5m/s - 27.4m/s = 2
[2 (0.00% / 0.00%)] [242,397 / 6 (100.00%)]
27.5m/s - 28.4m/s 27.5m/s - 28.4m/s = 2
[2 (0.00% / 0.00%)] [242,399 / 4 (100.00%)]
28.5m/s - 29.4m/s 28.5m/s - 29.4m/s = 1
[1 (0.00% / 0.00%)] [242,400 / 2 (100.00%)]
29.5m/s - 30.4m/s 29.5m/s - 30.4m/s = 1
[1 (0.00% / 0.00%)] [242,401 / 1 (100.00%)]

Missing observations (41 / 0.02%)

Temperature

-1.5C - -0.6C -1.5C - -0.6C = 3
[3 (0.00% / 0.00%)] [3 / 242,439 (0.00%)]
-0.5C - 0.4C -0.5C - 0.4C = 13
[13 (0.01% / 0.01%)] [16 / 242,436 (0.01%)]
0.5C - 1.4C 0.5C - 1.4C = 33
[33 (0.01% / 0.01%)] [49 / 242,423 (0.02%)]
1.5C - 2.4C 1.5C - 2.4C = 82
[82 (0.03% / 0.03%)] [131 / 242,390 (0.05%)]
2.5C - 3.4C 2.5C - 3.4C = 185
[185 (0.08% / 0.08%)] [316 / 242,308 (0.13%)]
3.5C - 4.4C 3.5C - 4.4C = 419
[419 (0.17% / 0.17%)] [735 / 242,123 (0.30%)]
4.5C - 5.4C 4.5C - 5.4C = 1,049
[1,049 (0.43% / 0.43%)] [1,784 / 241,704 (0.74%)]
5.5C - 6.4C 5.5C - 6.4C = 2,482
[2,482 (1.02% / 1.02%)] [4,266 / 240,655 (1.76%)]
6.5C - 7.4C 6.5C - 7.4C = 4,346
[4,346 (1.79% / 1.79%)] [8,612 / 238,173 (3.55%)]
7.5C - 8.4C 7.5C - 8.4C = 6,093
[6,093 (2.51% / 2.51%)] [14,705 / 233,827 (6.07%)]
8.5C - 9.4C 8.5C - 9.4C = 7,651
[7,651 (3.16% / 3.16%)] [22,356 / 227,734 (9.22%)]
9.5C - 10.4C 9.5C - 10.4C = 8,827
[8,827 (3.64% / 3.64%)] [31,183 / 220,083 (12.86%)]
10.5C - 11.4C 10.5C - 11.4C = 9,502
[9,502 (3.92% / 3.92%)] [40,685 / 211,256 (16.78%)]
11.5C - 12.4C 11.5C - 12.4C = 10,292
[10,292 (4.25% / 4.25%)] [50,977 / 201,754 (21.03%)]
12.5C - 13.4C 12.5C - 13.4C = 10,436
[10,436 (4.30% / 4.30%)] [61,413 / 191,462 (25.33%)]
13.5C - 14.4C 13.5C - 14.4C = 10,705
[10,705 (4.42% / 4.42%)] [72,118 / 181,026 (29.75%)]
14.5C - 15.4C 14.5C - 15.4C = 10,619
[10,619 (4.38% / 4.38%)] [82,737 / 170,321 (34.13%)]
15.5C - 16.4C 15.5C - 16.4C = 11,107
[11,107 (4.58% / 4.58%)] [93,844 / 159,702 (38.71%)]
16.5C - 17.4C 16.5C - 17.4C = 11,375
[11,375 (4.69% / 4.69%)] [105,219 / 148,595 (43.40%)]
17.5C - 18.4C 17.5C - 18.4C = 12,083
[12,083 (4.98% / 4.98%)] [117,302 / 137,220 (48.38%)]
18.5C - 19.4C 18.5C - 19.4C = 12,452
[12,452 (5.14% / 5.14%)] [129,754 / 125,137 (53.52%)]
19.5C - 20.4C 19.5C - 20.4C = 12,283
[12,283 (5.07% / 5.07%)] [142,037 / 112,685 (58.59%)]
20.5C - 21.4C 20.5C - 21.4C = 12,822
[12,822 (5.29% / 5.29%)] [154,859 / 100,402 (63.88%)]
21.5C - 22.4C 21.5C - 22.4C = 12,398
[12,398 (5.11% / 5.11%)] [167,257 / 87,580 (68.99%)]
22.5C - 23.4C 22.5C - 23.4C = 12,543
[12,543 (5.17% / 5.17%)] [179,800 / 75,182 (74.16%)]
23.5C - 24.4C 23.5C - 24.4C = 12,733
[12,733 (5.25% / 5.25%)] [192,533 / 62,639 (79.42%)]
24.5C - 25.4C 24.5C - 25.4C = 13,313
[13,313 (5.49% / 5.49%)] [205,846 / 49,906 (84.91%)]
25.5C - 26.4C 25.5C - 26.4C = 13,331
[13,331 (5.50% / 5.50%)] [219,177 / 36,593 (90.41%)]
26.5C - 27.4C 26.5C - 27.4C = 11,130
[11,130 (4.59% / 4.59%)] [230,307 / 23,262 (95.00%)]
27.5C - 28.4C 27.5C - 28.4C = 6,397
[6,397 (2.64% / 2.64%)] [236,704 / 12,132 (97.63%)]
28.5C - 29.4C 28.5C - 29.4C = 4,071
[4,071 (1.68% / 1.68%)] [240,775 / 5,735 (99.31%)]
29.5C - 30.4C 29.5C - 30.4C = 1,380
[1,380 (0.57% / 0.57%)] [242,155 / 1,664 (99.88%)]
30.5C - 31.4C 30.5C - 31.4C = 258
[258 (0.11% / 0.11%)] [242,413 / 284 (99.99%)]
31.5C - 32.4C 31.5C - 32.4C = 24
[24 (0.01% / 0.01%)] [242,437 / 26 (100.00%)]
32.5C - 33.4C 32.5C - 33.4C = 2
[2 (0.00% / 0.00%)] [242,439 / 2 (100.00%)]

Missing observations (3 / 0.00%)

Sunshine Duration

0.0h 0.0h = 169,671
[169,671 (69.98% / 70.91%)] [169,671 / 239,284 (70.91%)]
0.1h 0.1h = 8,325
[8,325 (3.43% / 3.48%)] [177,996 / 69,613 (74.39%)]
0.2h 0.2h = 6,351
[6,351 (2.62% / 2.65%)] [184,347 / 61,288 (77.04%)]
0.3h 0.3h = 5,382
[5,382 (2.22% / 2.25%)] [189,729 / 54,937 (79.29%)]
0.4h 0.4h = 4,942
[4,942 (2.04% / 2.07%)] [194,671 / 49,555 (81.36%)]
0.5h 0.5h = 4,711
[4,711 (1.94% / 1.97%)] [199,382 / 44,613 (83.32%)]
0.6h 0.6h = 4,682
[4,682 (1.93% / 1.96%)] [204,064 / 39,902 (85.28%)]
0.7h 0.7h = 4,638
[4,638 (1.91% / 1.94%)] [208,702 / 35,220 (87.22%)]
0.8h 0.8h = 5,059
[5,059 (2.09% / 2.11%)] [213,761 / 30,582 (89.33%)]
0.9h 0.9h = 6,379
[6,379 (2.63% / 2.67%)] [220,140 / 25,523 (92.00%)]
1.0h 1.0h = 19,144
[19,144 (7.90% / 8.00%)] [239,284 / 19,144 (100.00%)]

Missing observations (3,158 / 1.30%)