Station Number 74271
Prefecture Kochi [ Local Portal ]
Location 高知県安芸市伊尾木 (AKI SHI, KOCHI KEN)
Months of Observations 528
Number of Observations 385,704
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 -- 2019/12/99 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) 26.04km 108deg.
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 = 356,628
[356,628 (92.46% / 92.60%)] [356,628 / 385,110 (92.60)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 13,284
[13,284 (3.44% / 3.45%)] [369,912 / 28,482 (96.05)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 5,048
[5,048 (1.31% / 1.31%)] [374,960 / 15,198 (97.36)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,905
[2,905 (0.75% / 0.75%)] [377,865 / 10,150 (98.12)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,809
[1,809 (0.47% / 0.47%)] [379,674 / 7,245 (98.59)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 1,276
[1,276 (0.33% / 0.33%)] [380,950 / 5,436 (98.92)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 830
[830 (0.22% / 0.22%)] [381,780 / 4,160 (99.14)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 629
[629 (0.16% / 0.16%)] [382,409 / 3,330 (99.30)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 488
[488 (0.13% / 0.13%)] [382,897 / 2,701 (99.43)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 367
[367 (0.10% / 0.10%)] [383,264 / 2,213 (99.52)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 292
[292 (0.08% / 0.08%)] [383,556 / 1,846 (99.60)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 249
[249 (0.06% / 0.06%)] [383,805 / 1,554 (99.66)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 177
[177 (0.05% / 0.05%)] [383,982 / 1,305 (99.71)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 163
[163 (0.04% / 0.04%)] [384,145 / 1,128 (99.75)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 130
[130 (0.03% / 0.03%)] [384,275 / 965 (99.78)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 94
[94 (0.02% / 0.02%)] [384,369 / 835 (99.81)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 90
[90 (0.02% / 0.02%)] [384,459 / 741 (99.83)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 76
[76 (0.02% / 0.02%)] [384,535 / 651 (99.85)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 78
[78 (0.02% / 0.02%)] [384,613 / 575 (99.87)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 58
[58 (0.02% / 0.02%)] [384,671 / 497 (99.89)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 56
[56 (0.01% / 0.01%)] [384,727 / 439 (99.90)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 36
[36 (0.01% / 0.01%)] [384,763 / 383 (99.91)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 42
[42 (0.01% / 0.01%)] [384,805 / 347 (99.92)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 33
[33 (0.01% / 0.01%)] [384,838 / 305 (99.93)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 23
[23 (0.01% / 0.01%)] [384,861 / 272 (99.94)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 28
[28 (0.01% / 0.01%)] [384,889 / 249 (99.94)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 23
[23 (0.01% / 0.01%)] [384,912 / 221 (99.95)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 27
[27 (0.01% / 0.01%)] [384,939 / 198 (99.96)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 16
[16 (0.00% / 0.00%)] [384,955 / 171 (99.96)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 22
[22 (0.01% / 0.01%)] [384,977 / 155 (99.97)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 11
[11 (0.00% / 0.00%)] [384,988 / 133 (99.97)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 11
[11 (0.00% / 0.00%)] [384,999 / 122 (99.97)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 11
[11 (0.00% / 0.00%)] [385,010 / 111 (99.97)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 10
[10 (0.00% / 0.00%)] [385,020 / 100 (99.98)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 7
[7 (0.00% / 0.00%)] [385,027 / 90 (99.98)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 7
[7 (0.00% / 0.00%)] [385,034 / 83 (99.98)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 7
[7 (0.00% / 0.00%)] [385,041 / 76 (99.98)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 12
[12 (0.00% / 0.00%)] [385,053 / 69 (99.99)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 6
[6 (0.00% / 0.00%)] [385,059 / 57 (99.99)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 4
[4 (0.00% / 0.00%)] [385,063 / 51 (99.99)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 4
[4 (0.00% / 0.00%)] [385,067 / 47 (99.99)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [385,068 / 43 (99.99)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 3
[3 (0.00% / 0.00%)] [385,071 / 42 (99.99)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 6
[6 (0.00% / 0.00%)] [385,077 / 39 (99.99)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 5
[5 (0.00% / 0.00%)] [385,082 / 33 (99.99)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 2
[2 (0.00% / 0.00%)] [385,084 / 28 (99.99)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 3
[3 (0.00% / 0.00%)] [385,087 / 26 (99.99)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 2
[2 (0.00% / 0.00%)] [385,089 / 23 (99.99)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 2
[2 (0.00% / 0.00%)] [385,091 / 21 (100.00)]
53.5mm - 54.4mm 53.5mm - 54.4mm = 2
[2 (0.00% / 0.00%)] [385,093 / 19 (100.00)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 2
[2 (0.00% / 0.00%)] [385,095 / 17 (100.00)]
56.5mm - 57.4mm 56.5mm - 57.4mm = 2
[2 (0.00% / 0.00%)] [385,097 / 15 (100.00)]
57.5mm - 58.4mm 57.5mm - 58.4mm = 1
[1 (0.00% / 0.00%)] [385,098 / 13 (100.00)]
59.5mm - 60.4mm 59.5mm - 60.4mm = 2
[2 (0.00% / 0.00%)] [385,100 / 12 (100.00)]
60.5mm - 61.4mm 60.5mm - 61.4mm = 2
[2 (0.00% / 0.00%)] [385,102 / 10 (100.00)]
61.5mm - 62.4mm 61.5mm - 62.4mm = 1
[1 (0.00% / 0.00%)] [385,103 / 8 (100.00)]
63.5mm - 64.4mm 63.5mm - 64.4mm = 1
[1 (0.00% / 0.00%)] [385,104 / 7 (100.00)]
64.5mm - 65.4mm 64.5mm - 65.4mm = 1
[1 (0.00% / 0.00%)] [385,105 / 6 (100.00)]
67.5mm - 68.4mm 67.5mm - 68.4mm = 1
[1 (0.00% / 0.00%)] [385,106 / 5 (100.00)]
68.5mm - 69.4mm 68.5mm - 69.4mm = 1
[1 (0.00% / 0.00%)] [385,107 / 4 (100.00)]
70.5mm - 71.4mm 70.5mm - 71.4mm = 1
[1 (0.00% / 0.00%)] [385,108 / 3 (100.00)]
73.5mm - 74.4mm 73.5mm - 74.4mm = 1
[1 (0.00% / 0.00%)] [385,109 / 2 (100.00)]
82.5mm - 83.4mm 82.5mm - 83.4mm = 1
[1 (0.00% / 0.00%)] [385,110 / 1 (100.00)]

Missing observations (594 / 0.15%)

Wind Direction

Calm Calm = 34,211
[34,211 (8.87% / 9.31%)]
NNE NNE = 39,712
[39,712 (10.30% / 10.80%)]
NE NE = 37,509
[37,509 (9.72% / 10.20%)]
ENE ENE = 12,587
[12,587 (3.26% / 3.42%)]
E E = 5,043
[5,043 (1.31% / 1.37%)]
ESE ESE = 3,390
[3,390 (0.88% / 0.92%)]
SE SE = 6,064
[6,064 (1.57% / 1.65%)]
SSE SSE = 14,443
[14,443 (3.74% / 3.93%)]
S S = 27,581
[27,581 (7.15% / 7.50%)]
SSW SSW = 23,545
[23,545 (6.10% / 6.41%)]
SW SW = 14,465
[14,465 (3.75% / 3.94%)]
WSW WSW = 11,184
[11,184 (2.90% / 3.04%)]
W W = 10,211
[10,211 (2.65% / 2.78%)]
WNW WNW = 6,683
[6,683 (1.73% / 1.82%)]
NW NW = 12,530
[12,530 (3.25% / 3.41%)]
NNW NNW = 37,233
[37,233 (9.65% / 10.13%)]
N N = 71,173
[71,173 (18.45% / 19.36%)]

Missing observations (18,140 / 4.70%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 38,833
[38,833 (10.07% / 10.55%)] [38,833 / 368,165 (10.55)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 137,725
[137,725 (35.71% / 37.41%)] [176,558 / 329,332 (47.96)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 117,401
[117,401 (30.44% / 31.89%)] [293,959 / 191,607 (79.84)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 45,392
[45,392 (11.77% / 12.33%)] [339,351 / 74,206 (92.17)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 16,119
[16,119 (4.18% / 4.38%)] [355,470 / 28,814 (96.55)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 7,008
[7,008 (1.82% / 1.90%)] [362,478 / 12,695 (98.46)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 3,060
[3,060 (0.79% / 0.83%)] [365,538 / 5,687 (99.29)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 1,350
[1,350 (0.35% / 0.37%)] [366,888 / 2,627 (99.65)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 652
[652 (0.17% / 0.18%)] [367,540 / 1,277 (99.83)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 318
[318 (0.08% / 0.09%)] [367,858 / 625 (99.92)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 145
[145 (0.04% / 0.04%)] [368,003 / 307 (99.96)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 65
[65 (0.02% / 0.02%)] [368,068 / 162 (99.97)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 38
[38 (0.01% / 0.01%)] [368,106 / 97 (99.98)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 35
[35 (0.01% / 0.01%)] [368,141 / 59 (99.99)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 9
[9 (0.00% / 0.00%)] [368,150 / 24 (100.00)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 7
[7 (0.00% / 0.00%)] [368,157 / 15 (100.00)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 4
[4 (0.00% / 0.00%)] [368,161 / 8 (100.00)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 2
[2 (0.00% / 0.00%)] [368,163 / 4 (100.00)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 1
[1 (0.00% / 0.00%)] [368,164 / 2 (100.00)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 1
[1 (0.00% / 0.00%)] [368,165 / 1 (100.00)]

Missing observations (17,539 / 4.55%)

Temperature

-6.5C - -5.6C -6.5C - -5.6C = 1
[1 (0.00% / 0.00%)] [1 / 367,841 (0.00)]
-5.5C - -4.6C -5.5C - -4.6C = 4
[4 (0.00% / 0.00%)] [5 / 367,840 (0.00)]
-4.5C - -3.6C -4.5C - -3.6C = 8
[8 (0.00% / 0.00%)] [13 / 367,836 (0.00)]
-3.5C - -2.6C -3.5C - -2.6C = 10
[10 (0.00% / 0.00%)] [23 / 367,828 (0.01)]
-2.5C - -1.6C -2.5C - -1.6C = 79
[79 (0.02% / 0.02%)] [102 / 367,818 (0.03)]
-1.5C - -0.6C -1.5C - -0.6C = 236
[236 (0.06% / 0.06%)] [338 / 367,739 (0.09)]
-0.5C - 0.4C -0.5C - 0.4C = 1,962
[1,962 (0.51% / 0.53%)] [2,300 / 367,503 (0.63)]
0.5C - 1.4C 0.5C - 1.4C = 2,592
[2,592 (0.67% / 0.70%)] [4,892 / 365,541 (1.33)]
1.5C - 2.4C 1.5C - 2.4C = 3,722
[3,722 (0.96% / 1.01%)] [8,614 / 362,949 (2.34)]
2.5C - 3.4C 2.5C - 3.4C = 4,898
[4,898 (1.27% / 1.33%)] [13,512 / 359,227 (3.67)]
3.5C - 4.4C 3.5C - 4.4C = 6,204
[6,204 (1.61% / 1.69%)] [19,716 / 354,329 (5.36)]
4.5C - 5.4C 4.5C - 5.4C = 7,814
[7,814 (2.03% / 2.12%)] [27,530 / 348,125 (7.48)]
5.5C - 6.4C 5.5C - 6.4C = 8,991
[8,991 (2.33% / 2.44%)] [36,521 / 340,311 (9.93)]
6.5C - 7.4C 6.5C - 7.4C = 10,297
[10,297 (2.67% / 2.80%)] [46,818 / 331,320 (12.73)]
7.5C - 8.4C 7.5C - 8.4C = 11,291
[11,291 (2.93% / 3.07%)] [58,109 / 321,023 (15.80)]
8.5C - 9.4C 8.5C - 9.4C = 11,973
[11,973 (3.10% / 3.25%)] [70,082 / 309,732 (19.05)]
9.5C - 10.4C 9.5C - 10.4C = 12,642
[12,642 (3.28% / 3.44%)] [82,724 / 297,759 (22.49)]
10.5C - 11.4C 10.5C - 11.4C = 13,052
[13,052 (3.38% / 3.55%)] [95,776 / 285,117 (26.04)]
11.5C - 12.4C 11.5C - 12.4C = 13,412
[13,412 (3.48% / 3.65%)] [109,188 / 272,065 (29.68)]
12.5C - 13.4C 12.5C - 13.4C = 12,984
[12,984 (3.37% / 3.53%)] [122,172 / 258,653 (33.21)]
13.5C - 14.4C 13.5C - 14.4C = 13,531
[13,531 (3.51% / 3.68%)] [135,703 / 245,669 (36.89)]
14.5C - 15.4C 14.5C - 15.4C = 13,583
[13,583 (3.52% / 3.69%)] [149,286 / 232,138 (40.58)]
15.5C - 16.4C 15.5C - 16.4C = 13,765
[13,765 (3.57% / 3.74%)] [163,051 / 218,555 (44.33)]
16.5C - 17.4C 16.5C - 17.4C = 14,679
[14,679 (3.81% / 3.99%)] [177,730 / 204,790 (48.32)]
17.5C - 18.4C 17.5C - 18.4C = 15,103
[15,103 (3.92% / 4.11%)] [192,833 / 190,111 (52.42)]
18.5C - 19.4C 18.5C - 19.4C = 15,295
[15,295 (3.97% / 4.16%)] [208,128 / 175,008 (56.58)]
19.5C - 20.4C 19.5C - 20.4C = 15,200
[15,200 (3.94% / 4.13%)] [223,328 / 159,713 (60.71)]
20.5C - 21.4C 20.5C - 21.4C = 15,445
[15,445 (4.00% / 4.20%)] [238,773 / 144,513 (64.91)]
21.5C - 22.4C 21.5C - 22.4C = 15,859
[15,859 (4.11% / 4.31%)] [254,632 / 129,068 (69.22)]
22.5C - 23.4C 22.5C - 23.4C = 16,400
[16,400 (4.25% / 4.46%)] [271,032 / 113,209 (73.68)]
23.5C - 24.4C 23.5C - 24.4C = 18,506
[18,506 (4.80% / 5.03%)] [289,538 / 96,809 (78.71)]
24.5C - 25.4C 24.5C - 25.4C = 19,052
[19,052 (4.94% / 5.18%)] [308,590 / 78,303 (83.89)]
25.5C - 26.4C 25.5C - 26.4C = 16,141
[16,141 (4.18% / 4.39%)] [324,731 / 59,251 (88.28)]
26.5C - 27.4C 26.5C - 27.4C = 13,069
[13,069 (3.39% / 3.55%)] [337,800 / 43,110 (91.83)]
27.5C - 28.4C 27.5C - 28.4C = 10,815
[10,815 (2.80% / 2.94%)] [348,615 / 30,041 (94.77)]
28.5C - 29.4C 28.5C - 29.4C = 8,719
[8,719 (2.26% / 2.37%)] [357,334 / 19,226 (97.14)]
29.5C - 30.4C 29.5C - 30.4C = 6,151
[6,151 (1.59% / 1.67%)] [363,485 / 10,507 (98.82)]
30.5C - 31.4C 30.5C - 31.4C = 3,018
[3,018 (0.78% / 0.82%)] [366,503 / 4,356 (99.64)]
31.5C - 32.4C 31.5C - 32.4C = 1,059
[1,059 (0.27% / 0.29%)] [367,562 / 1,338 (99.92)]
32.5C - 33.4C 32.5C - 33.4C = 201
[201 (0.05% / 0.05%)] [367,763 / 279 (99.98)]
33.5C - 34.4C 33.5C - 34.4C = 51
[51 (0.01% / 0.01%)] [367,814 / 78 (99.99)]
34.5C - 35.4C 34.5C - 35.4C = 22
[22 (0.01% / 0.01%)] [367,836 / 27 (100.00)]
35.5C - 36.4C 35.5C - 36.4C = 5
[5 (0.00% / 0.00%)] [367,841 / 5 (100.00)]

Missing observations (17,863 / 4.63%)

Sunshine Duration

0.0h 0.0h = 250,250
[250,250 (64.88% / 68.03%)] [250,250 / 367,832 (68.03)]
0.1h 0.1h = 7,791
[7,791 (2.02% / 2.12%)] [258,041 / 117,582 (70.15)]
0.2h 0.2h = 5,742
[5,742 (1.49% / 1.56%)] [263,783 / 109,791 (71.71)]
0.3h 0.3h = 5,186
[5,186 (1.34% / 1.41%)] [268,969 / 104,049 (73.12)]
0.4h 0.4h = 4,835
[4,835 (1.25% / 1.31%)] [273,804 / 98,863 (74.44)]
0.5h 0.5h = 4,923
[4,923 (1.28% / 1.34%)] [278,727 / 94,028 (75.78)]
0.6h 0.6h = 5,369
[5,369 (1.39% / 1.46%)] [284,096 / 89,105 (77.24)]
0.7h 0.7h = 5,426
[5,426 (1.41% / 1.48%)] [289,522 / 83,736 (78.71)]
0.8h 0.8h = 6,116
[6,116 (1.59% / 1.66%)] [295,638 / 78,310 (80.37)]
0.9h 0.9h = 8,653
[8,653 (2.24% / 2.35%)] [304,291 / 72,194 (82.73)]
1.0h 1.0h = 63,541
[63,541 (16.47% / 17.27%)] [367,832 / 63,541 (100.00)]

Missing observations (17,872 / 4.63%)