Station Number 74271
Prefecture Kochi [ Local Portal ]
Location 高知県安芸市伊尾木 (AKI SHI, KOCHI KEN)
Months of Observations 504
Number of Observations 368,184
Period of Observations
Period Name Lat. Long. Height Anemometer
1974/11/01 -- 1977/12/19 AKI 33.488N 133.933E 6m 0.0m
1977/12/20 -- 1987/12/07 AKI 33.488N 133.933E 6m 6.5m
1987/12/08 -- 2007/01/25 AKI 33.488N 133.933E 6m 6.5m
2007/01/26 -- 2017/12/99 AKI 33.488N 133.933E 6m 6.5m
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
74276 TANO (Kochi) 9.65km 134deg.
74196 GEISEI (Kochi) 11.33km 308deg.
74151 YANASE (Kochi) 21.51km 49deg.
74136 ODOCHI (Kochi) 23.91km 347deg.
74188 NANKOKU-NISSHO (Kochi) 25.42km 284deg.
74336 SAKIHAMA (Kochi) 27.40km 112deg.
74187 GOMEN (Kochi) 29.21km 292deg.
74186 NANGOKU (Kochi) 29.34km 293deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 340,793
[340,793 (92.56% / 92.71%)] [340,793 / 367,590 (92.71)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 12,470
[12,470 (3.39% / 3.39%)] [353,263 / 26,797 (96.10)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,761
[4,761 (1.29% / 1.30%)] [358,024 / 14,327 (97.40)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,753
[2,753 (0.75% / 0.75%)] [360,777 / 9,566 (98.15)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,696
[1,696 (0.46% / 0.46%)] [362,473 / 6,813 (98.61)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 1,203
[1,203 (0.33% / 0.33%)] [363,676 / 5,117 (98.94)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 790
[790 (0.21% / 0.21%)] [364,466 / 3,914 (99.15)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 593
[593 (0.16% / 0.16%)] [365,059 / 3,124 (99.31)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 453
[453 (0.12% / 0.12%)] [365,512 / 2,531 (99.43)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 339
[339 (0.09% / 0.09%)] [365,851 / 2,078 (99.53)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 271
[271 (0.07% / 0.07%)] [366,122 / 1,739 (99.60)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 239
[239 (0.06% / 0.07%)] [366,361 / 1,468 (99.67)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 164
[164 (0.04% / 0.04%)] [366,525 / 1,229 (99.71)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 155
[155 (0.04% / 0.04%)] [366,680 / 1,065 (99.75)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 121
[121 (0.03% / 0.03%)] [366,801 / 910 (99.79)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 91
[91 (0.02% / 0.02%)] [366,892 / 789 (99.81)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 87
[87 (0.02% / 0.02%)] [366,979 / 698 (99.83)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 73
[73 (0.02% / 0.02%)] [367,052 / 611 (99.85)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 74
[74 (0.02% / 0.02%)] [367,126 / 538 (99.87)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 52
[52 (0.01% / 0.01%)] [367,178 / 464 (99.89)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 50
[50 (0.01% / 0.01%)] [367,228 / 412 (99.90)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 35
[35 (0.01% / 0.01%)] [367,263 / 362 (99.91)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 38
[38 (0.01% / 0.01%)] [367,301 / 327 (99.92)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 33
[33 (0.01% / 0.01%)] [367,334 / 289 (99.93)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 22
[22 (0.01% / 0.01%)] [367,356 / 256 (99.94)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 26
[26 (0.01% / 0.01%)] [367,382 / 234 (99.94)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 21
[21 (0.01% / 0.01%)] [367,403 / 208 (99.95)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 25
[25 (0.01% / 0.01%)] [367,428 / 187 (99.96)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 15
[15 (0.00% / 0.00%)] [367,443 / 162 (99.96)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 22
[22 (0.01% / 0.01%)] [367,465 / 147 (99.97)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 10
[10 (0.00% / 0.00%)] [367,475 / 125 (99.97)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 11
[11 (0.00% / 0.00%)] [367,486 / 115 (99.97)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 10
[10 (0.00% / 0.00%)] [367,496 / 104 (99.97)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 10
[10 (0.00% / 0.00%)] [367,506 / 94 (99.98)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 7
[7 (0.00% / 0.00%)] [367,513 / 84 (99.98)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 6
[6 (0.00% / 0.00%)] [367,519 / 77 (99.98)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 6
[6 (0.00% / 0.00%)] [367,525 / 71 (99.98)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 12
[12 (0.00% / 0.00%)] [367,537 / 65 (99.99)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 6
[6 (0.00% / 0.00%)] [367,543 / 53 (99.99)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 4
[4 (0.00% / 0.00%)] [367,547 / 47 (99.99)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 4
[4 (0.00% / 0.00%)] [367,551 / 43 (99.99)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 3
[3 (0.00% / 0.00%)] [367,554 / 39 (99.99)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 6
[6 (0.00% / 0.00%)] [367,560 / 36 (99.99)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 4
[4 (0.00% / 0.00%)] [367,564 / 30 (99.99)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 2
[2 (0.00% / 0.00%)] [367,566 / 26 (99.99)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 3
[3 (0.00% / 0.00%)] [367,569 / 24 (99.99)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [367,570 / 21 (99.99)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 2
[2 (0.00% / 0.00%)] [367,572 / 20 (100.00)]
53.5mm - 54.4mm 53.5mm - 54.4mm = 2
[2 (0.00% / 0.00%)] [367,574 / 18 (100.00)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 1
[1 (0.00% / 0.00%)] [367,575 / 16 (100.00)]
55.5mm - 56.4mm 55.5mm - 56.4mm = 1
[1 (0.00% / 0.00%)] [367,576 / 15 (100.00)]
56.5mm - 57.4mm 56.5mm - 57.4mm = 1
[1 (0.00% / 0.00%)] [367,577 / 14 (100.00)]
57.5mm - 58.4mm 57.5mm - 58.4mm = 1
[1 (0.00% / 0.00%)] [367,578 / 13 (100.00)]
59.5mm - 60.4mm 59.5mm - 60.4mm = 2
[2 (0.00% / 0.00%)] [367,580 / 12 (100.00)]
60.5mm - 61.4mm 60.5mm - 61.4mm = 2
[2 (0.00% / 0.00%)] [367,582 / 10 (100.00)]
61.5mm - 62.4mm 61.5mm - 62.4mm = 1
[1 (0.00% / 0.00%)] [367,583 / 8 (100.00)]
63.5mm - 64.4mm 63.5mm - 64.4mm = 1
[1 (0.00% / 0.00%)] [367,584 / 7 (100.00)]
64.5mm - 65.4mm 64.5mm - 65.4mm = 1
[1 (0.00% / 0.00%)] [367,585 / 6 (100.00)]
67.5mm - 68.4mm 67.5mm - 68.4mm = 1
[1 (0.00% / 0.00%)] [367,586 / 5 (100.00)]
68.5mm - 69.4mm 68.5mm - 69.4mm = 1
[1 (0.00% / 0.00%)] [367,587 / 4 (100.00)]
70.5mm - 71.4mm 70.5mm - 71.4mm = 1
[1 (0.00% / 0.00%)] [367,588 / 3 (100.00)]
73.5mm - 74.4mm 73.5mm - 74.4mm = 1
[1 (0.00% / 0.00%)] [367,589 / 2 (100.00)]
82.5mm - 83.4mm 82.5mm - 83.4mm = 1
[1 (0.00% / 0.00%)] [367,590 / 1 (100.00)]

Missing observations (594 / 0.16%)

Wind Direction

Calm Calm = 33,501
[33,501 (9.10% / 9.57%)]
NNE NNE = 38,065
[38,065 (10.34% / 10.87%)]
NE NE = 35,859
[35,859 (9.74% / 10.24%)]
ENE ENE = 12,038
[12,038 (3.27% / 3.44%)]
E E = 4,676
[4,676 (1.27% / 1.34%)]
ESE ESE = 3,173
[3,173 (0.86% / 0.91%)]
SE SE = 5,564
[5,564 (1.51% / 1.59%)]
SSE SSE = 13,716
[13,716 (3.73% / 3.92%)]
S S = 26,134
[26,134 (7.10% / 7.47%)]
SSW SSW = 22,376
[22,376 (6.08% / 6.39%)]
SW SW = 13,765
[13,765 (3.74% / 3.93%)]
WSW WSW = 10,619
[10,619 (2.88% / 3.03%)]
W W = 9,716
[9,716 (2.64% / 2.78%)]
WNW WNW = 6,415
[6,415 (1.74% / 1.83%)]
NW NW = 11,808
[11,808 (3.21% / 3.37%)]
NNW NNW = 34,764
[34,764 (9.44% / 9.93%)]
N N = 67,857
[67,857 (18.43% / 19.39%)]

Missing observations (18,138 / 4.93%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 37,257
[37,257 (10.12% / 10.63%)] [37,257 / 350,647 (10.63)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 130,772
[130,772 (35.52% / 37.29%)] [168,029 / 313,390 (47.92)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 111,698
[111,698 (30.34% / 31.85%)] [279,727 / 182,618 (79.77)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 43,344
[43,344 (11.77% / 12.36%)] [323,071 / 70,920 (92.14)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 15,383
[15,383 (4.18% / 4.39%)] [338,454 / 27,576 (96.52)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 6,724
[6,724 (1.83% / 1.92%)] [345,178 / 12,193 (98.44)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 2,937
[2,937 (0.80% / 0.84%)] [348,115 / 5,469 (99.28)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 1,294
[1,294 (0.35% / 0.37%)] [349,409 / 2,532 (99.65)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 627
[627 (0.17% / 0.18%)] [350,036 / 1,238 (99.83)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 308
[308 (0.08% / 0.09%)] [350,344 / 611 (99.91)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 142
[142 (0.04% / 0.04%)] [350,486 / 303 (99.95)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 64
[64 (0.02% / 0.02%)] [350,550 / 161 (99.97)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 38
[38 (0.01% / 0.01%)] [350,588 / 97 (99.98)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 35
[35 (0.01% / 0.01%)] [350,623 / 59 (99.99)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 9
[9 (0.00% / 0.00%)] [350,632 / 24 (100.00)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 7
[7 (0.00% / 0.00%)] [350,639 / 15 (100.00)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 4
[4 (0.00% / 0.00%)] [350,643 / 8 (100.00)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 2
[2 (0.00% / 0.00%)] [350,645 / 4 (100.00)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 1
[1 (0.00% / 0.00%)] [350,646 / 2 (100.00)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 1
[1 (0.00% / 0.00%)] [350,647 / 1 (100.00)]

Missing observations (17,537 / 4.76%)

Temperature

-6.5C - -5.6C -6.5C - -5.6C = 1
[1 (0.00% / 0.00%)] [1 / 350,321 (0.00)]
-5.5C - -4.6C -5.5C - -4.6C = 4
[4 (0.00% / 0.00%)] [5 / 350,320 (0.00)]
-4.5C - -3.6C -4.5C - -3.6C = 8
[8 (0.00% / 0.00%)] [13 / 350,316 (0.00)]
-3.5C - -2.6C -3.5C - -2.6C = 9
[9 (0.00% / 0.00%)] [22 / 350,308 (0.01)]
-2.5C - -1.6C -2.5C - -1.6C = 71
[71 (0.02% / 0.02%)] [93 / 350,299 (0.03)]
-1.5C - -0.6C -1.5C - -0.6C = 213
[213 (0.06% / 0.06%)] [306 / 350,228 (0.09)]
-0.5C - 0.4C -0.5C - 0.4C = 1,862
[1,862 (0.51% / 0.53%)] [2,168 / 350,015 (0.62)]
0.5C - 1.4C 0.5C - 1.4C = 2,513
[2,513 (0.68% / 0.72%)] [4,681 / 348,153 (1.34)]
1.5C - 2.4C 1.5C - 2.4C = 3,633
[3,633 (0.99% / 1.04%)] [8,314 / 345,640 (2.37)]
2.5C - 3.4C 2.5C - 3.4C = 4,757
[4,757 (1.29% / 1.36%)] [13,071 / 342,007 (3.73)]
3.5C - 4.4C 3.5C - 4.4C = 5,973
[5,973 (1.62% / 1.71%)] [19,044 / 337,250 (5.44)]
4.5C - 5.4C 4.5C - 5.4C = 7,476
[7,476 (2.03% / 2.13%)] [26,520 / 331,277 (7.57)]
5.5C - 6.4C 5.5C - 6.4C = 8,606
[8,606 (2.34% / 2.46%)] [35,126 / 323,801 (10.03)]
6.5C - 7.4C 6.5C - 7.4C = 9,842
[9,842 (2.67% / 2.81%)] [44,968 / 315,195 (12.84)]
7.5C - 8.4C 7.5C - 8.4C = 10,761
[10,761 (2.92% / 3.07%)] [55,729 / 305,353 (15.91)]
8.5C - 9.4C 8.5C - 9.4C = 11,435
[11,435 (3.11% / 3.26%)] [67,164 / 294,592 (19.17)]
9.5C - 10.4C 9.5C - 10.4C = 12,077
[12,077 (3.28% / 3.45%)] [79,241 / 283,157 (22.62)]
10.5C - 11.4C 10.5C - 11.4C = 12,505
[12,505 (3.40% / 3.57%)] [91,746 / 271,080 (26.19)]
11.5C - 12.4C 11.5C - 12.4C = 12,798
[12,798 (3.48% / 3.65%)] [104,544 / 258,575 (29.84)]
12.5C - 13.4C 12.5C - 13.4C = 12,311
[12,311 (3.34% / 3.51%)] [116,855 / 245,777 (33.36)]
13.5C - 14.4C 13.5C - 14.4C = 12,773
[12,773 (3.47% / 3.65%)] [129,628 / 233,466 (37.00)]
14.5C - 15.4C 14.5C - 15.4C = 12,852
[12,852 (3.49% / 3.67%)] [142,480 / 220,693 (40.67)]
15.5C - 16.4C 15.5C - 16.4C = 13,091
[13,091 (3.56% / 3.74%)] [155,571 / 207,841 (44.41)]
16.5C - 17.4C 16.5C - 17.4C = 14,063
[14,063 (3.82% / 4.01%)] [169,634 / 194,750 (48.42)]
17.5C - 18.4C 17.5C - 18.4C = 14,444
[14,444 (3.92% / 4.12%)] [184,078 / 180,687 (52.55)]
18.5C - 19.4C 18.5C - 19.4C = 14,580
[14,580 (3.96% / 4.16%)] [198,658 / 166,243 (56.71)]
19.5C - 20.4C 19.5C - 20.4C = 14,430
[14,430 (3.92% / 4.12%)] [213,088 / 151,663 (60.83)]
20.5C - 21.4C 20.5C - 21.4C = 14,763
[14,763 (4.01% / 4.21%)] [227,851 / 137,233 (65.04)]
21.5C - 22.4C 21.5C - 22.4C = 15,139
[15,139 (4.11% / 4.32%)] [242,990 / 122,470 (69.36)]
22.5C - 23.4C 22.5C - 23.4C = 15,617
[15,617 (4.24% / 4.46%)] [258,607 / 107,331 (73.82)]
23.5C - 24.4C 23.5C - 24.4C = 17,686
[17,686 (4.80% / 5.05%)] [276,293 / 91,714 (78.87)]
24.5C - 25.4C 24.5C - 25.4C = 18,216
[18,216 (4.95% / 5.20%)] [294,509 / 74,028 (84.07)]
25.5C - 26.4C 25.5C - 26.4C = 15,195
[15,195 (4.13% / 4.34%)] [309,704 / 55,812 (88.41)]
26.5C - 27.4C 26.5C - 27.4C = 12,288
[12,288 (3.34% / 3.51%)] [321,992 / 40,617 (91.91)]
27.5C - 28.4C 27.5C - 28.4C = 10,193
[10,193 (2.77% / 2.91%)] [332,185 / 28,329 (94.82)]
28.5C - 29.4C 28.5C - 29.4C = 8,300
[8,300 (2.25% / 2.37%)] [340,485 / 18,136 (97.19)]
29.5C - 30.4C 29.5C - 30.4C = 5,783
[5,783 (1.57% / 1.65%)] [346,268 / 9,836 (98.84)]
30.5C - 31.4C 30.5C - 31.4C = 2,817
[2,817 (0.77% / 0.80%)] [349,085 / 4,053 (99.65)]
31.5C - 32.4C 31.5C - 32.4C = 997
[997 (0.27% / 0.28%)] [350,082 / 1,236 (99.93)]
32.5C - 33.4C 32.5C - 33.4C = 174
[174 (0.05% / 0.05%)] [350,256 / 239 (99.98)]
33.5C - 34.4C 33.5C - 34.4C = 40
[40 (0.01% / 0.01%)] [350,296 / 65 (99.99)]
34.5C - 35.4C 34.5C - 35.4C = 20
[20 (0.01% / 0.01%)] [350,316 / 25 (100.00)]
35.5C - 36.4C 35.5C - 36.4C = 5
[5 (0.00% / 0.00%)] [350,321 / 5 (100.00)]

Missing observations (17,863 / 4.85%)

Sunshine Duration

0.0h 0.0h = 238,519
[238,519 (64.78% / 68.09%)] [238,519 / 350,319 (68.09)]
0.1h 0.1h = 7,379
[7,379 (2.00% / 2.11%)] [245,898 / 111,800 (70.19)]
0.2h 0.2h = 5,451
[5,451 (1.48% / 1.56%)] [251,349 / 104,421 (71.75)]
0.3h 0.3h = 4,962
[4,962 (1.35% / 1.42%)] [256,311 / 98,970 (73.17)]
0.4h 0.4h = 4,595
[4,595 (1.25% / 1.31%)] [260,906 / 94,008 (74.48)]
0.5h 0.5h = 4,690
[4,690 (1.27% / 1.34%)] [265,596 / 89,413 (75.82)]
0.6h 0.6h = 5,110
[5,110 (1.39% / 1.46%)] [270,706 / 84,723 (77.27)]
0.7h 0.7h = 5,162
[5,162 (1.40% / 1.47%)] [275,868 / 79,613 (78.75)]
0.8h 0.8h = 5,789
[5,789 (1.57% / 1.65%)] [281,657 / 74,451 (80.40)]
0.9h 0.9h = 8,165
[8,165 (2.22% / 2.33%)] [289,822 / 68,662 (82.73)]
1.0h 1.0h = 60,497
[60,497 (16.43% / 17.27%)] [350,319 / 60,497 (100.00)]

Missing observations (17,865 / 4.85%)